Optimisation and bug fixing of UI push events (#310)

Signed-off-by: kaizimmerm <kai.zimmermann@bosch-si.com>

examples/hawkbit-custom-theme-example/src/main/java/org/eclipse/hawkbit/app/MyUI.java

@@ -11,8 +11,8 @@ package org.eclipse.hawkbit.app;
 import java.util.concurrent.ScheduledExecutorService;
 
 import org.eclipse.hawkbit.ui.HawkbitUI;
-import org.eclipse.hawkbit.ui.UIEventProvider;
 import org.eclipse.hawkbit.ui.push.DelayedEventBusPushStrategy;
+import org.eclipse.hawkbit.ui.push.UIEventProvider;
 import org.springframework.beans.factory.annotation.Autowired;
 
 import com.google.common.eventbus.EventBus;

examples/hawkbit-device-simulator/src/main/java/org/eclipse/hawkbit/simulator/DeviceSimulatorUpdater.java

@@ -177,8 +177,8 @@ public class DeviceSimulatorUpdater {
 
             LOGGER.info("Simulate downloads for {}", device.getId());
 
-            modules.forEach(module -> module.getArtifacts()
-                    .forEach(artifact -> handleArtifacts(targetToken, status, artifact)));
+            modules.forEach(
+                    module -> module.getArtifacts().forEach(artifact -> handleArtifact(targetToken, status, artifact)));
 
             final UpdateStatus result = new UpdateStatus(ResponseStatus.SUCCESSFUL);
             result.getStatusMessages().add("Simulation complete!");
@@ -202,7 +202,7 @@ public class DeviceSimulatorUpdater {
             return ResponseStatus.ERROR.equals(status.getResponseStatus());
         }
 
-        private static void handleArtifacts(final String targetToken, final List<UpdateStatus> status,
+        private static void handleArtifact(final String targetToken, final List<UpdateStatus> status,
                 final Artifact artifact) {
 
             if (artifact.getUrls().containsKey("HTTPS")) {

examples/hawkbit-device-simulator/src/main/java/org/eclipse/hawkbit/simulator/SimulatedDeviceFactory.java

@@ -32,22 +32,6 @@ public class SimulatedDeviceFactory {
     @Autowired
     private SpSenderService spSenderService;
 
-    /**
-     * Creating a simulated devices.
-     * 
-     * @param id
-     *            the ID of the simulated device
-     * @param tenant
-     *            the tenant of the simulated device
-     * @param protocol
-     *            the protocol of the device
-     * @return the created simulated device
-     */
-    public AbstractSimulatedDevice createSimulatedDevice(final String id, final String tenant,
-            final Protocol protocol) {
-        return createSimulatedDevice(id, tenant, protocol, 1800, null, null);
-    }
-
     /**
      * Creating a simulated device.
      * 
@@ -70,10 +54,19 @@ public class SimulatedDeviceFactory {
      */
     public AbstractSimulatedDevice createSimulatedDevice(final String id, final String tenant, final Protocol protocol,
             final int pollDelaySec, final URL baseEndpoint, final String gatewayToken) {
+        return createSimulatedDevice(id, tenant, protocol, pollDelaySec, baseEndpoint, gatewayToken, false);
+    }
+
+    private AbstractSimulatedDevice createSimulatedDevice(final String id, final String tenant, final Protocol protocol,
+            final int pollDelaySec, final URL baseEndpoint, final String gatewayToken, final boolean pollImmediatly) {
         switch (protocol) {
         case DMF_AMQP:
-            spSenderService.createOrUpdateThing(tenant, id);
-            return new DMFSimulatedDevice(id, tenant, spSenderService, pollDelaySec);
+            final AbstractSimulatedDevice device = new DMFSimulatedDevice(id, tenant, spSenderService, pollDelaySec);
+            device.setNextPollCounterSec(pollDelaySec);
+            if (pollImmediatly) {
+                spSenderService.createOrUpdateThing(tenant, id);
+            }
+            return device;
         case DDI_HTTP:
             final ControllerResource controllerResource = Feign.builder().logger(new Logger.ErrorLogger())
                     .requestInterceptor(new GatewayTokenInterceptor(gatewayToken)).logLevel(Logger.Level.BASIC)
@@ -83,4 +76,30 @@ public class SimulatedDeviceFactory {
             throw new IllegalArgumentException("Protocol " + protocol + " unknown");
         }
     }
+
+    /**
+     * Creating a simulated device and send an immediate DMF poll to update
+     * server.
+     * 
+     * @param id
+     *            the ID of the simulated device
+     * @param tenant
+     *            the tenant of the simulated device
+     * @param protocol
+     *            the protocol which should be used be the simulated device
+     * @param pollDelaySec
+     *            the poll delay time in seconds which should be used for
+     *            {@link DDISimulatedDevice}s and {@link DMFSimulatedDevice}
+     * @param baseEndpoint
+     *            the http base endpoint which should be used for
+     *            {@link DDISimulatedDevice}s
+     * @param gatewayToken
+     *            the gatewayToken to be used to authenticate
+     *            {@link DDISimulatedDevice}s at the endpoint
+     * @return the created simulated device
+     */
+    public AbstractSimulatedDevice createSimulatedDeviceWithImmediatePoll(final String id, final String tenant,
+            final Protocol protocol, final int pollDelaySec, final URL baseEndpoint, final String gatewayToken) {
+        return createSimulatedDevice(id, tenant, protocol, pollDelaySec, baseEndpoint, gatewayToken, true);
+    }
 }

examples/hawkbit-device-simulator/src/main/java/org/eclipse/hawkbit/simulator/SimulationController.java

@@ -89,8 +89,8 @@ public class SimulationController {
 
         for (int i = 0; i < amount; i++) {
             final String deviceId = name + i;
-            repository.add(deviceFactory.createSimulatedDevice(deviceId, tenant, protocol, pollDelay, new URL(endpoint),
-                    gatewayToken));
+            repository.add(deviceFactory.createSimulatedDeviceWithImmediatePoll(deviceId, tenant, protocol, pollDelay,
+                    new URL(endpoint), gatewayToken));
         }
 
         return ResponseEntity.ok("Updated " + amount + " " + protocol + " connected targets!");

examples/hawkbit-device-simulator/src/main/java/org/eclipse/hawkbit/simulator/SimulatorStartup.java

@@ -48,9 +48,9 @@ public class SimulatorStartup implements ApplicationListener<ContextRefreshedEve
                 final String deviceId = autostart.getName() + i;
                 try {
                     if (amqpProperties.isEnabled()) {
-                        repository.add(deviceFactory.createSimulatedDevice(deviceId, autostart.getTenant(),
-                                autostart.getApi(), autostart.getPollDelay(), new URL(autostart.getEndpoint()),
-                                autostart.getGatewayToken()));
+                        repository.add(deviceFactory.createSimulatedDeviceWithImmediatePoll(deviceId,
+                                autostart.getTenant(), autostart.getApi(), autostart.getPollDelay(),
+                                new URL(autostart.getEndpoint()), autostart.getGatewayToken()));
                     }
 
                 } catch (final MalformedURLException e) {

examples/hawkbit-device-simulator/src/main/java/org/eclipse/hawkbit/simulator/ui/SimulatorView.java

@@ -268,8 +268,9 @@ public class SimulatorView extends VerticalLayout implements View {
                 new GenerateDialog((namePrefix, tenant, amount, pollDelay, basePollUrl, gatewayToken, protocol) -> {
                     for (int index = 0; index < amount; index++) {
                         final String deviceId = namePrefix + index;
-                        beanContainer.addBean(repository.add(deviceFactory.createSimulatedDevice(deviceId,
-                                tenant.toLowerCase(), protocol, pollDelay, basePollUrl, gatewayToken)));
+                        beanContainer
+                                .addBean(repository.add(deviceFactory.createSimulatedDeviceWithImmediatePoll(deviceId,
+                                        tenant.toLowerCase(), protocol, pollDelay, basePollUrl, gatewayToken)));
                     }
                 }, amqpProperties.isEnabled()));
     }

examples/hawkbit-example-app/src/main/java/org/eclipse/hawkbit/app/MyUI.java

@@ -11,8 +11,8 @@ package org.eclipse.hawkbit.app;
 import java.util.concurrent.ScheduledExecutorService;
 
 import org.eclipse.hawkbit.ui.HawkbitUI;
-import org.eclipse.hawkbit.ui.UIEventProvider;
 import org.eclipse.hawkbit.ui.push.DelayedEventBusPushStrategy;
+import org.eclipse.hawkbit.ui.push.UIEventProvider;
 import org.springframework.beans.factory.annotation.Autowired;
 
 import com.google.common.eventbus.EventBus;

examples/hawkbit-example-mgmt-simulator/src/main/java/org/eclipse/hawkbit/mgmt/client/Application.java

@@ -11,9 +11,11 @@ package org.eclipse.hawkbit.mgmt.client;
 import org.eclipse.hawkbit.feign.core.client.FeignClientConfiguration;
 import org.eclipse.hawkbit.feign.core.client.IgnoreMultipleConsumersProducersSpringMvcContract;
 import org.eclipse.hawkbit.mgmt.client.resource.MgmtDistributionSetClientResource;
+import org.eclipse.hawkbit.mgmt.client.resource.MgmtDistributionSetTagClientResource;
 import org.eclipse.hawkbit.mgmt.client.resource.MgmtRolloutClientResource;
 import org.eclipse.hawkbit.mgmt.client.resource.MgmtSoftwareModuleClientResource;
 import org.eclipse.hawkbit.mgmt.client.resource.MgmtTargetClientResource;
+import org.eclipse.hawkbit.mgmt.client.resource.MgmtTargetTagClientResource;
 import org.eclipse.hawkbit.mgmt.client.scenarios.ConfigurableScenario;
 import org.eclipse.hawkbit.mgmt.client.scenarios.CreateStartedRolloutExample;
 import org.eclipse.hawkbit.mgmt.client.scenarios.upload.FeignMultipartEncoder;
@@ -27,7 +29,6 @@ import org.springframework.boot.context.properties.EnableConfigurationProperties
 import org.springframework.cloud.netflix.feign.EnableFeignClients;
 import org.springframework.cloud.netflix.feign.support.ResponseEntityDecoder;
 import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Import;
 import org.springframework.hateoas.hal.Jackson2HalModule;
 
@@ -43,7 +44,6 @@ import feign.slf4j.Slf4jLogger;
 @SpringBootApplication
 @EnableFeignClients("org.eclipse.hawkbit.mgmt.client.resource")
 @EnableConfigurationProperties(ClientConfigurationProperties.class)
-@Configuration
 @AutoConfigureAfter(FeignClientConfiguration.class)
 @Import(FeignClientConfiguration.class)
 public class Application implements CommandLineRunner {
@@ -78,10 +78,12 @@ public class Application implements CommandLineRunner {
     public ConfigurableScenario configurableScenario(final MgmtDistributionSetClientResource distributionSetResource,
             final MgmtSoftwareModuleClientResource softwareModuleResource,
             final MgmtTargetClientResource targetResource, final MgmtRolloutClientResource rolloutResource,
+            final MgmtTargetTagClientResource targetTagResource,
+            final MgmtDistributionSetTagClientResource distributionSetTagResource,
             final ClientConfigurationProperties clientConfigurationProperties) {
         return new ConfigurableScenario(distributionSetResource, softwareModuleResource,
-                uploadSoftwareModule(clientConfigurationProperties), targetResource, rolloutResource,
-                clientConfigurationProperties);
+                uploadSoftwareModule(clientConfigurationProperties), targetResource, rolloutResource, targetTagResource,
+                distributionSetTagResource, clientConfigurationProperties);
     }
 
     @Bean
@@ -89,8 +91,8 @@ public class Application implements CommandLineRunner {
         return new CreateStartedRolloutExample();
     }
 
-    @Bean
-    public MgmtSoftwareModuleClientResource uploadSoftwareModule(final ClientConfigurationProperties configuration) {
+    private static MgmtSoftwareModuleClientResource uploadSoftwareModule(
+            final ClientConfigurationProperties configuration) {
         final ObjectMapper mapper = new ObjectMapper()
                 .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
                 .registerModule(new Jackson2HalModule());

examples/hawkbit-example-mgmt-simulator/src/main/java/org/eclipse/hawkbit/mgmt/client/ClientConfigurationProperties.java

@@ -55,8 +55,19 @@ public class ClientConfigurationProperties {
         private int artifactsPerSM = 1;
         private String targetAddress = "amqp:/simulator.replyTo";
         private boolean runRollouts = true;
+        private short rolloutSuccessThreshold = 80;
         private int rolloutDeploymentGroups = 4;
 
+        /**
+         * Targets tags per page.
+         */
+        private int targetTags;
+
+        /**
+         * Distribution Set tags per set
+         */
+        private int dsTags = 5;
+
         /**
          * Artifact size. Values can use the suffixed "MB" or "KB" to indicate a
          * Megabyte or Kilobyte size.
@@ -167,6 +178,30 @@ public class ClientConfigurationProperties {
             this.appModulesPerDistributionSet = appModulesPerDistributionSet;
         }
 
+        public void setTargetTags(final int targetTags) {
+            this.targetTags = targetTags;
+        }
+
+        public int getTargetTags() {
+            return targetTags;
+        }
+
+        public int getDsTags() {
+            return dsTags;
+        }
+
+        public void setDsTags(final int dsTags) {
+            this.dsTags = dsTags;
+        }
+
+        public short getRolloutSuccessThreshold() {
+            return rolloutSuccessThreshold;
+        }
+
+        public void setRolloutSuccessThreshold(final short rolloutSuccessThreshold) {
+            this.rolloutSuccessThreshold = rolloutSuccessThreshold;
+        }
+
     }
 
     public List<Scenario> getScenarios() {

examples/hawkbit-example-mgmt-simulator/src/main/java/org/eclipse/hawkbit/mgmt/client/scenarios/ConfigurableScenario.java

@@ -11,23 +11,31 @@ package org.eclipse.hawkbit.mgmt.client.scenarios;
 import java.util.List;
 import java.util.Random;
 import java.util.concurrent.TimeUnit;
+import java.util.stream.Collectors;
+import java.util.stream.IntStream;
 
 import org.eclipse.hawkbit.mgmt.client.ClientConfigurationProperties;
 import org.eclipse.hawkbit.mgmt.client.ClientConfigurationProperties.Scenario;
 import org.eclipse.hawkbit.mgmt.client.resource.MgmtDistributionSetClientResource;
+import org.eclipse.hawkbit.mgmt.client.resource.MgmtDistributionSetTagClientResource;
 import org.eclipse.hawkbit.mgmt.client.resource.MgmtRolloutClientResource;
 import org.eclipse.hawkbit.mgmt.client.resource.MgmtSoftwareModuleClientResource;
 import org.eclipse.hawkbit.mgmt.client.resource.MgmtTargetClientResource;
+import org.eclipse.hawkbit.mgmt.client.resource.MgmtTargetTagClientResource;
 import org.eclipse.hawkbit.mgmt.client.resource.builder.DistributionSetBuilder;
 import org.eclipse.hawkbit.mgmt.client.resource.builder.RolloutBuilder;
 import org.eclipse.hawkbit.mgmt.client.resource.builder.SoftwareModuleAssigmentBuilder;
 import org.eclipse.hawkbit.mgmt.client.resource.builder.SoftwareModuleBuilder;
+import org.eclipse.hawkbit.mgmt.client.resource.builder.TagBuilder;
 import org.eclipse.hawkbit.mgmt.client.resource.builder.TargetBuilder;
 import org.eclipse.hawkbit.mgmt.client.scenarios.upload.ArtifactFile;
 import org.eclipse.hawkbit.mgmt.json.model.PagedList;
 import org.eclipse.hawkbit.mgmt.json.model.distributionset.MgmtDistributionSet;
 import org.eclipse.hawkbit.mgmt.json.model.rollout.MgmtRolloutResponseBody;
 import org.eclipse.hawkbit.mgmt.json.model.softwaremodule.MgmtSoftwareModule;
+import org.eclipse.hawkbit.mgmt.json.model.tag.MgmtAssignedDistributionSetRequestBody;
+import org.eclipse.hawkbit.mgmt.json.model.tag.MgmtAssignedTargetRequestBody;
+import org.eclipse.hawkbit.mgmt.json.model.tag.MgmtTag;
 import org.eclipse.hawkbit.mgmt.json.model.target.MgmtTarget;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -41,7 +49,7 @@ import org.slf4j.LoggerFactory;
  */
 public class ConfigurableScenario {
 
-    private static final int PAGE_SIZE = 100;
+    private static final int PAGE_SIZE = 500;
 
     private static final Logger LOGGER = LoggerFactory.getLogger(ConfigurableScenario.class);
 
@@ -51,22 +59,32 @@ public class ConfigurableScenario {
 
     private final MgmtTargetClientResource targetResource;
 
+    private final MgmtTargetTagClientResource targetTagResource;
+
+    private final MgmtDistributionSetTagClientResource distributionSetTagResource;
+
     private final MgmtRolloutClientResource rolloutResource;
 
     private final ClientConfigurationProperties clientConfigurationProperties;
 
     private final MgmtSoftwareModuleClientResource uploadSoftwareModule;
 
+    // Exception - squid:S00107 - this is a simulator that leverages multiple
+    // resouces/feign beans.
+    @SuppressWarnings("squid:S00107")
     public ConfigurableScenario(final MgmtDistributionSetClientResource distributionSetResource,
             final MgmtSoftwareModuleClientResource softwareModuleResource,
             final MgmtSoftwareModuleClientResource uploadSoftwareModule, final MgmtTargetClientResource targetResource,
-            final MgmtRolloutClientResource rolloutResource,
+            final MgmtRolloutClientResource rolloutResource, final MgmtTargetTagClientResource targetTagResource,
+            final MgmtDistributionSetTagClientResource distributionSetTagResource,
             final ClientConfigurationProperties clientConfigurationProperties) {
+        this.targetTagResource = targetTagResource;
         this.distributionSetResource = distributionSetResource;
         this.softwareModuleResource = softwareModuleResource;
         this.uploadSoftwareModule = uploadSoftwareModule;
         this.targetResource = targetResource;
         this.rolloutResource = rolloutResource;
+        this.distributionSetTagResource = distributionSetTagResource;
         this.clientConfigurationProperties = clientConfigurationProperties;
     }
 
@@ -111,7 +129,8 @@ public class ConfigurableScenario {
         PagedList<MgmtSoftwareModule> modules;
         do {
             modules = softwareModuleResource.getSoftwareModules(0, PAGE_SIZE, null, null).getBody();
-            modules.getContent().forEach(module -> softwareModuleResource.deleteSoftwareModule(module.getModuleId()));
+            modules.getContent().parallelStream()
+                    .forEach(module -> softwareModuleResource.deleteSoftwareModule(module.getModuleId()));
         } while (modules.getTotal() > PAGE_SIZE);
     }
 
@@ -119,16 +138,40 @@ public class ConfigurableScenario {
         PagedList<MgmtDistributionSet> distributionSets;
         do {
             distributionSets = distributionSetResource.getDistributionSets(0, PAGE_SIZE, null, null).getBody();
-            distributionSets.getContent().forEach(set -> distributionSetResource.deleteDistributionSet(set.getDsId()));
+            distributionSets.getContent().parallelStream()
+                    .forEach(set -> distributionSetResource.deleteDistributionSet(set.getDsId()));
         } while (distributionSets.getTotal() > PAGE_SIZE);
+
+        deleteDistributionSetTags();
+    }
+
+    private void deleteDistributionSetTags() {
+        PagedList<MgmtTag> dsTags;
+        do {
+            dsTags = distributionSetTagResource.getDistributionSetTags(0, PAGE_SIZE, null, null).getBody();
+            dsTags.getContent().parallelStream()
+                    .forEach(ds -> distributionSetTagResource.deleteDistributionSetTag(ds.getTagId()));
+        } while (dsTags.getTotal() > PAGE_SIZE);
     }
 
     private void deleteTargets() {
         PagedList<MgmtTarget> targets;
         do {
             targets = targetResource.getTargets(0, PAGE_SIZE, null, null).getBody();
-            targets.getContent().forEach(target -> targetResource.deleteTarget(target.getControllerId()));
+            targets.getContent().parallelStream()
+                    .forEach(target -> targetResource.deleteTarget(target.getControllerId()));
         } while (targets.getTotal() > PAGE_SIZE);
+
+        deleteTargetTags();
+    }
+
+    private void deleteTargetTags() {
+        PagedList<MgmtTag> targetTags;
+        do {
+            targetTags = targetTagResource.getTargetTags(0, PAGE_SIZE, null, null).getBody();
+            targetTags.getContent().parallelStream()
+                    .forEach(target -> targetTagResource.deleteTargetTag(target.getTagId()));
+        } while (targetTags.getTotal() > PAGE_SIZE);
     }
 
     private void runRollouts(final Scenario scenario) {
@@ -140,10 +183,10 @@ public class ConfigurableScenario {
     private void runRollout(final MgmtDistributionSet set, final Scenario scenario) {
         LOGGER.info("Run rollout for set {}", set.getDsId());
         // create a Rollout
-        final MgmtRolloutResponseBody rolloutResponseBody = rolloutResource
-                .create(new RolloutBuilder().name("Rollout" + set.getName() + set.getVersion())
-                        .groupSize(scenario.getRolloutDeploymentGroups()).targetFilterQuery("name==*")
-                        .distributionSetId(set.getDsId()).successThreshold("80").errorThreshold("5").build())
+        final MgmtRolloutResponseBody rolloutResponseBody = rolloutResource.create(new RolloutBuilder()
+                .name("Rollout" + set.getName() + set.getVersion()).groupSize(scenario.getRolloutDeploymentGroups())
+                .targetFilterQuery("name==*").distributionSetId(set.getDsId())
+                .successThreshold(String.valueOf(scenario.getRolloutSuccessThreshold())).errorThreshold("5").build())
                 .getBody();
 
         // start the created Rollout
@@ -164,21 +207,44 @@ public class ConfigurableScenario {
 
     private void createDistributionSets(final Scenario scenario) {
         LOGGER.info("Creating {} distribution sets", scenario.getDistributionSets());
-        final byte[] artifact = generateArtifact(scenario);
 
-        distributionSetResource.createDistributionSets(new DistributionSetBuilder().name(scenario.getDsName())
-                .type("os_app").version("1.0.").buildAsList(scenario.getDistributionSets())).getBody()
-                .forEach(dsSet -> {
-                    final List<MgmtSoftwareModule> modules = addModules(scenario, dsSet, artifact);
+        final List<MgmtDistributionSet> sets = distributionSetResource
+                .createDistributionSets(new DistributionSetBuilder().name(scenario.getDsName()).type("os_app")
+                        .version("1.0.").buildAsList(scenario.getDistributionSets()))
+                .getBody();
 
-                    final SoftwareModuleAssigmentBuilder assign = new SoftwareModuleAssigmentBuilder();
-                    modules.forEach(module -> assign.id(module.getModuleId()));
-                    distributionSetResource.assignSoftwareModules(dsSet.getDsId(), assign.build());
-                });
+        assignSoftwareModulesTo(scenario, sets);
+
+        tagDistributionSets(scenario, sets);
 
         LOGGER.info("Creating {} distribution sets -> Done", scenario.getDistributionSets());
     }
 
+    private void tagDistributionSets(final Scenario scenario, final List<MgmtDistributionSet> sets) {
+        for (int i = 0; i < scenario.getDsTags(); i++) {
+            final MgmtTag tag = distributionSetTagResource
+                    .createDistributionSetTags(
+                            new TagBuilder().name("DS Tag" + i).description("DS tag for DS " + i).build())
+                    .getBody().get(0);
+
+            distributionSetTagResource.assignDistributionSets(tag.getTagId(),
+                    sets.stream().map(
+                            set -> new MgmtAssignedDistributionSetRequestBody().setDistributionSetId(set.getDsId()))
+                            .collect(Collectors.toList()));
+        }
+    }
+
+    private void assignSoftwareModulesTo(final Scenario scenario, final List<MgmtDistributionSet> sets) {
+        final byte[] artifact = generateArtifact(scenario);
+        sets.forEach(dsSet -> {
+            final List<MgmtSoftwareModule> modules = addModules(scenario, dsSet, artifact);
+
+            final SoftwareModuleAssigmentBuilder assign = new SoftwareModuleAssigmentBuilder();
+            modules.forEach(module -> assign.id(module.getModuleId()));
+            distributionSetResource.assignSoftwareModules(dsSet.getDsId(), assign.build());
+        });
+    }
+
     private List<MgmtSoftwareModule> addModules(final Scenario scenario, final MgmtDistributionSet dsSet,
             final byte[] artifact) {
         final List<MgmtSoftwareModule> modules = softwareModuleResource
@@ -191,8 +257,10 @@ public class ConfigurableScenario {
                 .getBody());
 
         for (int iArtifact = 0; iArtifact < scenario.getArtifactsPerSM(); iArtifact++) {
+            final int count = iArtifact;
             modules.forEach(module -> {
-                final ArtifactFile file = new ArtifactFile("dummyfile.dummy", null, "multipart/form-data", artifact);
+                final ArtifactFile file = new ArtifactFile("dummyfile.dummy" + count, null, "multipart/form-data",
+                        artifact);
                 uploadSoftwareModule.uploadArtifact(module.getModuleId(), file, null, null, null);
             });
         }
@@ -202,17 +270,44 @@ public class ConfigurableScenario {
 
     private void createTargets(final Scenario scenario) {
         LOGGER.info("Creating {} targets", scenario.getTargets());
-
-        for (int i = 0; i < (scenario.getTargets() / PAGE_SIZE); i++) {
-            targetResource.createTargets(
-                    new TargetBuilder().controllerId(scenario.getTargetName()).address(scenario.getTargetAddress())
-                            .buildAsList(i * PAGE_SIZE, (i + 1) * PAGE_SIZE > scenario.getTargets()
-                                    ? (scenario.getTargets() - (i * PAGE_SIZE)) : PAGE_SIZE));
-        }
-
+        IntStream.range(0, scenario.getTargets() / PAGE_SIZE).parallel().forEach(i -> createTargetPage(scenario, i));
         LOGGER.info("Creating {} targets -> Done", scenario.getTargets());
     }
 
+    private void createTargetPage(final Scenario scenario, final int page) {
+        final List<MgmtTarget> targets = createTargets(scenario, page);
+
+        tagTargets(scenario, page, targets);
+    }
+
+    private List<MgmtTarget> createTargets(final Scenario scenario, final int page) {
+        return targetResource
+                .createTargets(
+                        new TargetBuilder().controllerId(scenario.getTargetName()).address(scenario.getTargetAddress())
+                                .buildAsList(calculateOffset(page),
+                                        (page + 1) * PAGE_SIZE > scenario.getTargets()
+                                                ? (scenario.getTargets() - calculateOffset(page)) : PAGE_SIZE))
+                .getBody();
+    }
+
+    private void tagTargets(final Scenario scenario, final int page, final List<MgmtTarget> targets) {
+        if (scenario.getTargetTags() > 0) {
+            targetTagResource
+                    .createTargetTags(new TagBuilder().name("Page " + page)
+                            .description("Target tag for target page " + page).buildAsList(scenario.getTargetTags()))
+                    .getBody().forEach(
+                            tag -> targetTagResource.assignTargets(tag.getTagId(),
+                                    targets.stream()
+                                            .map(target -> new MgmtAssignedTargetRequestBody()
+                                                    .setControllerId(target.getControllerId()))
+                                            .collect(Collectors.toList())));
+        }
+    }
+
+    private static int calculateOffset(final int page) {
+        return page * PAGE_SIZE;
+    }
+
     private static int parseSize(final String s) {
         final String size = s.toUpperCase();
         if (size.endsWith("KB")) {

examples/hawkbit-example-mgmt-simulator/src/main/resources/application.properties

@@ -11,7 +11,9 @@ hawkbit.url=http://localhost:8080
 hawkbit.username=admin
 hawkbit.password=admin
 
-spring.main.show-banner=false
+spring.main.banner-mode=off
+
+feign.hystrix.enabled=false
 
 hawkbit.scenarios.[0].cleanRepository=false
 hawkbit.scenarios.[0].targets=0

examples/hawkbit-example-mgmt-simulator/src/main/resources/logback-spring.xml

@@ -12,7 +12,7 @@
 <configuration>
    <include resource="org/springframework/boot/logging/logback/base.xml" />
 
-   <logger name="feign.Logger" level="debug" />
+   <logger name="org.eclipse.hawkbit.mgmt.client.resource" level="info" />
 
    <Root level="INFO">
       <appender-ref ref="CONSOLE" />

hawkbit-autoconfigure/src/main/java/org/eclipse/hawkbit/autoconfigure/ui/UIAutoConfiguration.java

@@ -9,8 +9,8 @@
 package org.eclipse.hawkbit.autoconfigure.ui;
 
 import org.eclipse.hawkbit.DistributedResourceBundleMessageSource;
-import org.eclipse.hawkbit.ui.HawkbitEventProvider;
-import org.eclipse.hawkbit.ui.UIEventProvider;
+import org.eclipse.hawkbit.ui.push.HawkbitEventProvider;
+import org.eclipse.hawkbit.ui.push.UIEventProvider;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;

hawkbit-autoconfigure/src/main/resources/hawkbitdefaults.properties

@@ -14,11 +14,17 @@ security.basic.realm=HawkBit
 security.user.name=admin
 security.user.password=admin
 
-# JPA / Datasource
-spring.jpa.eclipselink.eclipselink.weaving=false
+### JPA / Datasource - START
 spring.jpa.database=H2
 spring.jpa.show-sql=false
 spring.datasource.driverClassName=org.h2.Driver
+# Logging
+spring.datasource.eclipselink.logging.logger=JavaLogger
+spring.jpa.properties.eclipselink.logging.level=off
+# Cluster aware
+spring.datasource.eclipselink.query-results-cache=false
+spring.datasource.eclipselink.cache.shared.default=false
+### JPA / Datasource - END
 
 # MongoDB for artifact-repository
 spring.data.mongodb.uri=mongodb://localhost/artifactrepo

hawkbit-core/src/main/java/org/eclipse/hawkbit/eventbus/event/CancelTargetAssignmentEvent.java

@@ -1,81 +0,0 @@
-/**
- * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
- *
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- */
-package org.eclipse.hawkbit.eventbus.event;
-
-import java.net.URI;
-
-/**
- * Event that gets sent when the assignment of a distribution set to a target
- * gets canceled.
- *
- *
- *
- */
-public class CancelTargetAssignmentEvent extends DefaultEvent {
-
-    private final String controllerId;
-    private final Long actionId;
-    private final URI targetAdress;
-
-    /**
-     * Creates a new {@link CancelTargetAssignmentEvent}.
-     *
-     * @param revision
-     *            the revision for this event
-     * @param tenant
-     *            the tenant for this event
-     * @param controllerId
-     *            the ID of the controller
-     * @param actionId
-     *            the action id of the assignment
-     * @param targetAdress
-     *            the targetAdress of the target
-     */
-    public CancelTargetAssignmentEvent(final long revision, final String tenant, final String controllerId,
-            final Long actionId, final URI targetAdress) {
-        super(revision, tenant);
-        this.controllerId = controllerId;
-        this.actionId = actionId;
-        this.targetAdress = targetAdress;
-    }
-
-    /**
-     * @return the action id of the assignment
-     */
-    public Long getActionId() {
-        return actionId;
-    }
-
-    /**
-     * @return the controllerId of the Target which has been assigned to the
-     *         distribution set
-     */
-    public String getControllerId() {
-        return controllerId;
-    }
-
-    /**
-     *
-     * @return the targetr adress.
-     */
-    public URI getTargetAdress() {
-        return targetAdress;
-    }
-
-    /*
-     * (non-Javadoc)
-     * 
-     * @see java.lang.Object#toString()
-     */
-    @Override
-    public String toString() {
-        return "TargetAssignDistributionSetEvent [targetAdress=" + targetAdress + ", controllerId=" + controllerId
-                + ", actionId=" + actionId + "]";
-    }
-}

hawkbit-core/src/main/java/org/eclipse/hawkbit/eventbus/event/TargetDeletedEvent.java

@@ -1,37 +0,0 @@
-/**
- * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
- *
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- */
-package org.eclipse.hawkbit.eventbus.event;
-
-/**
- * The event when a target is deleted.
- */
-public class TargetDeletedEvent extends AbstractDistributedEvent {
-
-    private static final long serialVersionUID = 1L;
-    private final long targetId;
-
-    /**
-     * @param tenant
-     *            the tenant for this event
-     * @param targetId
-     *            the ID of the target which has been deleted
-     */
-    public TargetDeletedEvent(final String tenant, final long targetId) {
-        super(-1, tenant);
-        this.targetId = targetId;
-    }
-
-    /**
-     * @return the targetId
-     */
-    public long getTargetId() {
-        return targetId;
-    }
-
-}

hawkbit-ddi-resource/src/main/java/org/eclipse/hawkbit/ddi/rest/resource/DdiRootController.java

@@ -41,7 +41,6 @@ import org.eclipse.hawkbit.repository.model.ActionStatus;
 import org.eclipse.hawkbit.repository.model.LocalArtifact;
 import org.eclipse.hawkbit.repository.model.SoftwareModule;
 import org.eclipse.hawkbit.repository.model.Target;
-import org.eclipse.hawkbit.repository.model.TargetUpdateStatus;
 import org.eclipse.hawkbit.rest.util.RequestResponseContextHolder;
 import org.eclipse.hawkbit.rest.util.RestResourceConversionHelper;
 import org.eclipse.hawkbit.security.HawkbitSecurityProperties;
@@ -130,14 +129,6 @@ public class DdiRootController implements DdiRootControllerRestApi {
 
         final Target target = controllerManagement.findOrRegisterTargetIfItDoesNotexist(controllerId, IpUtil
                 .getClientIpFromRequest(requestResponseContextHolder.getHttpServletRequest(), securityProperties));
-
-        if (target.getTargetInfo().getUpdateStatus() == TargetUpdateStatus.UNKNOWN) {
-            LOG.debug("target with {} extsisted but was in status UNKNOWN -> REGISTERED)", controllerId);
-            controllerManagement.updateTargetStatus(target.getTargetInfo(), TargetUpdateStatus.REGISTERED,
-                    System.currentTimeMillis(), IpUtil.getClientIpFromRequest(
-                            requestResponseContextHolder.getHttpServletRequest(), securityProperties));
-        }
-
         return new ResponseEntity<>(
                 DataConversionHelper.fromTarget(target, controllerManagement.findOldestActiveActionByTarget(target),
                         controllerManagement.getPollingTime(), tenantAware),

hawkbit-ddi-resource/src/test/java/org/eclipse/hawkbit/ddi/rest/resource/DdiDeploymentBaseTest.java

@@ -48,6 +48,7 @@ import org.springframework.hateoas.MediaTypes;
 import org.springframework.http.MediaType;
 import org.springframework.test.web.servlet.MvcResult;
 
+import com.google.common.collect.Lists;
 import com.jayway.jsonpath.JsonPath;
 
 import ru.yandex.qatools.allure.annotations.Description;
@@ -934,13 +935,9 @@ public class DdiDeploymentBaseTest extends AbstractRestIntegrationTestWithMongoD
                 .accept(MediaType.APPLICATION_JSON)).andDo(MockMvcResultPrinter.print())
                 .andExpect(status().isNotFound());
 
-        final List<Target> toAssign = new ArrayList<Target>();
-        toAssign.add(savedTarget);
-        final List<Target> toAssign2 = new ArrayList<Target>();
-        toAssign2.add(savedTarget2);
+        final List<Target> toAssign = Lists.newArrayList(savedTarget);
+        final List<Target> toAssign2 = Lists.newArrayList(savedTarget2);
 
-        assertThat(targetManagement.findTargetByControllerID("4712").getTargetInfo().getUpdateStatus())
-                .isEqualTo(TargetUpdateStatus.UNKNOWN);
         savedTarget = deploymentManagement.assignDistributionSet(savedSet, toAssign).getAssignedEntity().iterator()
                 .next();
         deploymentManagement.assignDistributionSet(savedSet2, toAssign2);

hawkbit-ddi-resource/src/test/resources/logback-spring.xml

@@ -12,7 +12,7 @@
 <configuration>
    <include resource="org/springframework/boot/logging/logback/base.xml" />
       
-    <Logger name="org.eclipse.hawkbit.rest.util.MockMvcResultPrinter" level="DEBUG" />
+<!--     <Logger name="org.eclipse.hawkbit.rest.util.MockMvcResultPrinter" level="DEBUG" /> -->
 
    <Root level="INFO">
       <appender-ref ref="CONSOLE" />

hawkbit-dmf-amqp/src/main/java/org/eclipse/hawkbit/amqp/AmqpMessageDispatcherService.java

@@ -26,8 +26,8 @@ import org.eclipse.hawkbit.dmf.json.model.ArtifactHash;
 import org.eclipse.hawkbit.dmf.json.model.DownloadAndUpdateRequest;
 import org.eclipse.hawkbit.dmf.json.model.SoftwareModule;
 import org.eclipse.hawkbit.eventbus.EventSubscriber;
-import org.eclipse.hawkbit.eventbus.event.CancelTargetAssignmentEvent;
 import org.eclipse.hawkbit.repository.SystemManagement;
+import org.eclipse.hawkbit.repository.eventbus.event.CancelTargetAssignmentEvent;
 import org.eclipse.hawkbit.repository.eventbus.event.TargetAssignDistributionSetEvent;
 import org.eclipse.hawkbit.repository.model.LocalArtifact;
 import org.eclipse.hawkbit.repository.model.Target;
@@ -125,12 +125,13 @@ public class AmqpMessageDispatcherService extends BaseAmqpService {
     @Subscribe
     public void targetCancelAssignmentToDistributionSet(
             final CancelTargetAssignmentEvent cancelTargetAssignmentDistributionSetEvent) {
-        final String controllerId = cancelTargetAssignmentDistributionSetEvent.getControllerId();
+        final String controllerId = cancelTargetAssignmentDistributionSetEvent.getTarget().getControllerId();
         final Long actionId = cancelTargetAssignmentDistributionSetEvent.getActionId();
         final Message message = getMessageConverter().toMessage(actionId, createConnectorMessageProperties(
                 cancelTargetAssignmentDistributionSetEvent.getTenant(), controllerId, EventTopic.CANCEL_DOWNLOAD));
 
-        amqpSenderService.sendMessage(message, cancelTargetAssignmentDistributionSetEvent.getTargetAdress());
+        amqpSenderService.sendMessage(message,
+                cancelTargetAssignmentDistributionSetEvent.getTarget().getTargetInfo().getAddress());
 
     }
 

hawkbit-dmf-amqp/src/main/java/org/eclipse/hawkbit/amqp/AmqpMessageHandlerService.java

@@ -21,12 +21,12 @@ import org.eclipse.hawkbit.dmf.amqp.api.EventTopic;
 import org.eclipse.hawkbit.dmf.amqp.api.MessageHeaderKey;
 import org.eclipse.hawkbit.dmf.amqp.api.MessageType;
 import org.eclipse.hawkbit.dmf.json.model.ActionUpdateStatus;
-import org.eclipse.hawkbit.eventbus.event.CancelTargetAssignmentEvent;
 import org.eclipse.hawkbit.im.authentication.SpPermission.SpringEvalExpressions;
 import org.eclipse.hawkbit.im.authentication.TenantAwareAuthenticationDetails;
 import org.eclipse.hawkbit.repository.ControllerManagement;
 import org.eclipse.hawkbit.repository.EntityFactory;
 import org.eclipse.hawkbit.repository.RepositoryConstants;
+import org.eclipse.hawkbit.repository.eventbus.event.CancelTargetAssignmentEvent;
 import org.eclipse.hawkbit.repository.eventbus.event.TargetAssignDistributionSetEvent;
 import org.eclipse.hawkbit.repository.exception.TenantNotExistException;
 import org.eclipse.hawkbit.repository.exception.TooManyStatusEntriesException;
@@ -194,8 +194,7 @@ public class AmqpMessageHandlerService extends BaseAmqpService {
 
         if (action.get().isCancelingOrCanceled()) {
             amqpMessageDispatcherService.targetCancelAssignmentToDistributionSet(
-                    new CancelTargetAssignmentEvent(target.getOptLockRevision(), target.getTenant(),
-                            target.getControllerId(), action.get().getId(), target.getTargetInfo().getAddress()));
+                    new CancelTargetAssignmentEvent(target, action.get().getId()));
             return;
         }
 
@@ -328,7 +327,6 @@ public class AmqpMessageHandlerService extends BaseAmqpService {
 
             // cancel action rejected, write warning status message and fall
             // back to running action status
-
         } else {
             logAndThrowMessageError(message,
                     "Cancel recjected message is not allowed, if action is on state: " + action.getStatus());

hawkbit-dmf-amqp/src/test/java/org/eclipse/hawkbit/amqp/AmqpMessageDispatcherServiceTest.java

@@ -29,8 +29,8 @@ import org.eclipse.hawkbit.dmf.amqp.api.EventTopic;
 import org.eclipse.hawkbit.dmf.amqp.api.MessageHeaderKey;
 import org.eclipse.hawkbit.dmf.amqp.api.MessageType;
 import org.eclipse.hawkbit.dmf.json.model.DownloadAndUpdateRequest;
-import org.eclipse.hawkbit.eventbus.event.CancelTargetAssignmentEvent;
 import org.eclipse.hawkbit.repository.SystemManagement;
+import org.eclipse.hawkbit.repository.eventbus.event.CancelTargetAssignmentEvent;
 import org.eclipse.hawkbit.repository.eventbus.event.TargetAssignDistributionSetEvent;
 import org.eclipse.hawkbit.repository.model.Artifact;
 import org.eclipse.hawkbit.repository.model.DistributionSet;
@@ -202,10 +202,11 @@ public class AmqpMessageDispatcherServiceTest extends AbstractIntegrationTest {
     @Description("Verfies that send cancel event works")
     public void testSendCancelRequest() {
         final CancelTargetAssignmentEvent cancelTargetAssignmentDistributionSetEvent = new CancelTargetAssignmentEvent(
-                1L, TENANT, CONTROLLER_ID, 1L, AMQP_URI);
+                testTarget, 1L);
         amqpMessageDispatcherService
                 .targetCancelAssignmentToDistributionSet(cancelTargetAssignmentDistributionSetEvent);
-        final Message sendMessage = createArgumentCapture(cancelTargetAssignmentDistributionSetEvent.getTargetAdress());
+        final Message sendMessage = createArgumentCapture(
+                cancelTargetAssignmentDistributionSetEvent.getTarget().getTargetInfo().getAddress());
         assertCancelMessage(sendMessage);
 
     }

hawkbit-mgmt-api/src/main/java/org/eclipse/hawkbit/mgmt/rest/api/MgmtDistributionSetTagRestApi.java

@@ -129,7 +129,7 @@ public interface MgmtDistributionSetTagRestApi {
      * Handles the POST request to toggle the assignment of distribution sets by
      * the given tag id.
      *
-     * @param distributionsetTagIds
+     * @param distributionsetTagId
      *            the ID of the distribution set tag to retrieve
      * @param assignedDSRequestBodies
      *            list of distribution set ids to be toggled

hawkbit-mgmt-api/src/main/java/org/eclipse/hawkbit/mgmt/rest/api/MgmtTargetTagRestApi.java

@@ -127,7 +127,7 @@ public interface MgmtTargetTagRestApi {
      * @param targetTagId
      *            the ID of the target tag to retrieve
      * @param assignedTargetRequestBodies
-     *            list of target ids to be toggled
+     *            list of controller ids to be toggled
      *
      * @return the list of assigned targets and unassigned targets.
      */
@@ -143,7 +143,7 @@ public interface MgmtTargetTagRestApi {
      * @param targetTagId
      *            the ID of the target tag to retrieve
      * @param assignedTargetRequestBodies
-     *            list of target ids to be assigned
+     *            list of controller ids to be assigned
      *
      * @return the list of assigned targets.
      */

hawkbit-mgmt-resource/src/test/java/org/eclipse/hawkbit/mgmt/rest/resource/MgmtTargetResourceTest.java

@@ -427,7 +427,7 @@ public class MgmtTargetResourceTest extends AbstractRestIntegrationTest {
                 .andExpect(jsonPath("$.content.[?(@.name==" + idA + ")].description", contains(idA)))
                 .andExpect(jsonPath("$.content.[?(@.name==" + idA + ")].controllerId", contains(idA)))
                 .andExpect(jsonPath("$.content.[?(@.name==" + idA + ")].createdBy", contains("bumlux")))
-                .andExpect(jsonPath("$.content.[?(@.name==" + idA + ")].updateStatus", contains("unknown")))
+                .andExpect(jsonPath("$.content.[?(@.name==" + idA + ")].updateStatus", contains("registered")))
                 .andExpect(jsonPath("$.content.[?(@.name==" + idA + ")].lastControllerRequestAt", notNullValue()))
                 // idB
                 .andExpect(jsonPath("$.content.[?(@.name==" + idB + ")]._links.self.href",
@@ -436,7 +436,7 @@ public class MgmtTargetResourceTest extends AbstractRestIntegrationTest {
                 .andExpect(jsonPath("$.content.[?(@.name==" + idB + ")].description", contains(idB)))
                 .andExpect(jsonPath("$.content.[?(@.name==" + idB + ")].controllerId", contains(idB)))
                 .andExpect(jsonPath("$.content.[?(@.name==" + idB + ")].createdBy", contains("bumlux")))
-                .andExpect(jsonPath("$.content.[?(@.name==" + idB + ")].updateStatus", contains("unknown")))
+                .andExpect(jsonPath("$.content.[?(@.name==" + idB + ")].updateStatus", contains("registered")))
                 .andExpect(jsonPath("$.content.[?(@.name==" + idA + ")].lastControllerRequestAt", notNullValue()))
                 // idC
                 .andExpect(jsonPath("$.content.[?(@.name==" + idC + ")]._links.self.href",
@@ -445,7 +445,7 @@ public class MgmtTargetResourceTest extends AbstractRestIntegrationTest {
                 .andExpect(jsonPath("$.content.[?(@.name==" + idC + ")].description", contains(idC)))
                 .andExpect(jsonPath("$.content.[?(@.name==" + idC + ")].controllerId", contains(idC)))
                 .andExpect(jsonPath("$.content.[?(@.name==" + idC + ")].createdBy", contains("bumlux")))
-                .andExpect(jsonPath("$.content.[?(@.name==" + idC + ")].updateStatus", contains("unknown")))
+                .andExpect(jsonPath("$.content.[?(@.name==" + idC + ")].updateStatus", contains("registered")))
                 .andExpect(jsonPath("$.content.[?(@.name==" + idA + ")].lastControllerRequestAt", notNullValue()));
     }
 
@@ -471,7 +471,7 @@ public class MgmtTargetResourceTest extends AbstractRestIntegrationTest {
                 .andExpect(jsonPath("$.content.[?(@.name==" + idA + ")].description", contains(idA)))
                 .andExpect(jsonPath("$.content.[?(@.name==" + idA + ")].controllerId", contains(idA)))
                 .andExpect(jsonPath("$.content.[?(@.name==" + idA + ")].createdBy", contains("bumlux")))
-                .andExpect(jsonPath("$.content.[?(@.name==" + idA + ")].updateStatus", contains("unknown")));
+                .andExpect(jsonPath("$.content.[?(@.name==" + idA + ")].updateStatus", contains("registered")));
     }
 
     @Test
@@ -500,7 +500,7 @@ public class MgmtTargetResourceTest extends AbstractRestIntegrationTest {
                 .andExpect(jsonPath("$.content.[?(@.name==" + idC + ")].description", contains(idC)))
                 .andExpect(jsonPath("$.content.[?(@.name==" + idC + ")].controllerId", contains(idC)))
                 .andExpect(jsonPath("$.content.[?(@.name==" + idC + ")].createdBy", contains("bumlux")))
-                .andExpect(jsonPath("$.content.[?(@.name==" + idC + ")].updateStatus", contains("unknown")))
+                .andExpect(jsonPath("$.content.[?(@.name==" + idC + ")].updateStatus", contains("registered")))
                 // idB
                 .andExpect(jsonPath("$.content.[?(@.name==" + idD + ")]._links.self.href",
                         contains(linksHrefPrefix + idD)))
@@ -508,7 +508,7 @@ public class MgmtTargetResourceTest extends AbstractRestIntegrationTest {
                 .andExpect(jsonPath("$.content.[?(@.name==" + idD + ")].description", contains(idD)))
                 .andExpect(jsonPath("$.content.[?(@.name==" + idD + ")].controllerId", contains(idD)))
                 .andExpect(jsonPath("$.content.[?(@.name==" + idD + ")].createdBy", contains("bumlux")))
-                .andExpect(jsonPath("$.content.[?(@.name==" + idD + ")].updateStatus", contains("unknown")))
+                .andExpect(jsonPath("$.content.[?(@.name==" + idD + ")].updateStatus", contains("registered")))
                 // idC
                 .andExpect(jsonPath("$.content.[?(@.name==" + idE + ")]._links.self.href",
                         contains(linksHrefPrefix + idE)))
@@ -516,7 +516,7 @@ public class MgmtTargetResourceTest extends AbstractRestIntegrationTest {
                 .andExpect(jsonPath("$.content.[?(@.name==" + idE + ")].description", contains(idE)))
                 .andExpect(jsonPath("$.content.[?(@.name==" + idE + ")].controllerId", contains(idE)))
                 .andExpect(jsonPath("$.content.[?(@.name==" + idE + ")].createdBy", contains("bumlux")))
-                .andExpect(jsonPath("$.content.[?(@.name==" + idE + ")].updateStatus", contains("unknown")));
+                .andExpect(jsonPath("$.content.[?(@.name==" + idE + ")].updateStatus", contains("registered")));
     }
 
     @Test

hawkbit-mgmt-resource/src/test/resources/logback-spring.xml

@@ -23,7 +23,7 @@
    <Logger name="org.apache.catalina.startup.DigesterFactory" level="ERROR" />   
    
    
-   <Logger name="org.eclipse.hawkbit.rest.util.MockMvcResultPrinter" level="DEBUG" />
+<!--    <Logger name="org.eclipse.hawkbit.rest.util.MockMvcResultPrinter" level="DEBUG" /> -->
 
    <!-- Security Log with hints on potential attacks -->
    <logger name="server-security" level="INFO" />

hawkbit-repository/hawkbit-repository-api/src/main/java/org/eclipse/hawkbit/repository/ArtifactManagement.java

@@ -187,13 +187,16 @@ public interface ArtifactManagement {
     void deleteExternalArtifact(@NotNull Long id);
 
     /**
-     * Deletes a local artifact.
+     * Garbage collects local artifact binary file if only referenced by given
+     * {@link LocalArtifact} metadata object.
      *
-     * @param existing
+     * @param onlyByThisReferenced
      *            the related local artifact
+     * 
+     * @return <code>true</code> if an binary was actually garbage collected
      */
     @PreAuthorize(SpringEvalExpressions.HAS_AUTH_DELETE_REPOSITORY)
-    void deleteLocalArtifact(@NotNull LocalArtifact existing);
+    boolean clearLocalArtifactBinary(@NotNull LocalArtifact onlyByThisReferenced);
 
     /**
      * Deletes {@link Artifact} based on given id.

hawkbit-repository/hawkbit-repository-api/src/main/java/org/eclipse/hawkbit/repository/ControllerManagement.java

@@ -255,7 +255,8 @@ public interface ControllerManagement {
 
     /**
      * Refreshes the time of the last time the controller has been connected to
-     * the server.
+     * the server. Switches {@link TargetUpdateStatus#UNKNOWN} to
+     * {@link TargetUpdateStatus#REGISTERED} if necessary.
      *
      * @param controllerId
      *            of the target to to update

hawkbit-repository/hawkbit-repository-api/src/main/java/org/eclipse/hawkbit/repository/RolloutGroupManagement.java

@@ -142,7 +142,7 @@ public interface RolloutGroupManagement {
             @NotNull Pageable pageable);
 
     /**
-     * Get count of targets in different status in rollout group.
+     * Get {@link RolloutGroup} by Id.
      *
      * @param rolloutGroupId
      *            rollout group id

hawkbit-repository/hawkbit-repository-api/src/main/java/org/eclipse/hawkbit/repository/TargetManagement.java

@@ -188,6 +188,15 @@ public interface TargetManagement {
     @PreAuthorize(SpringEvalExpressions.HAS_AUTH_DELETE_TARGET)
     void deleteTargets(@NotEmpty Long... targetIDs);
 
+    /**
+     * Deletes all targets with the given IDs.
+     *
+     * @param targetIDs
+     *            the technical IDs of the targets to be deleted
+     */
+    @PreAuthorize(SpringEvalExpressions.HAS_AUTH_DELETE_TARGET)
+    void deleteTargets(@NotEmpty Collection<Long> targetIDs);
+
     /**
      * finds all {@link Target#getControllerId()} which are currently in the
      * database.

hawkbit-repository/hawkbit-repository-api/src/main/java/org/eclipse/hawkbit/repository/eventbus/event/AbstractEntityBulkEvent.java

@@ -1,70 +0,0 @@
-/**
- * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
- *
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- */
-package org.eclipse.hawkbit.repository.eventbus.event;
-
-import java.util.Arrays;
-import java.util.List;
-
-import org.eclipse.hawkbit.repository.model.TenantAwareBaseEntity;
-
-/**
- * 
- * A abstract typesafe bulkevent which contains all changed base entities.
- * 
- * @param <E>
- */
-public abstract class AbstractEntityBulkEvent<E extends TenantAwareBaseEntity> implements EntityBulkEvent<E> {
-
-    private static final long serialVersionUID = 1L;
-
-    private List<E> entities;
-
-    private String tenant;
-
-    /**
-     * Constructor.
-     * 
-     * @param tenant
-     *            the tenant
-     * @param entities
-     *            the changed entities
-     */
-    public AbstractEntityBulkEvent(final String tenant, final List<E> entities) {
-        this.entities = entities;
-        this.tenant = tenant;
-    }
-
-    /**
-     * Constructor.
-     * 
-     * @param tenant
-     *            the tenant
-     * @param entitiy
-     *            the changed entity
-     */
-    public AbstractEntityBulkEvent(final String tenant, final E entitiy) {
-        this(tenant, Arrays.asList(entitiy));
-    }
-
-    @Override
-    public List<E> getEntities() {
-        return entities;
-    }
-
-    @Override
-    public long getRevision() {
-        return -1;
-    }
-
-    @Override
-    public String getTenant() {
-        return tenant;
-    }
-
-}

hawkbit-repository/hawkbit-repository-api/src/main/java/org/eclipse/hawkbit/repository/eventbus/event/CancelTargetAssignmentEvent.java

@@ -0,0 +1,63 @@
+/**
+ * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.eclipse.hawkbit.repository.eventbus.event;
+
+import org.eclipse.hawkbit.eventbus.event.Event;
+import org.eclipse.hawkbit.repository.model.Target;
+
+/**
+ * Event that gets sent when the assignment of a distribution set to a target
+ * gets canceled.
+ *
+ *
+ *
+ */
+public class CancelTargetAssignmentEvent implements Event {
+
+    private final Target target;
+    private final Long actionId;
+
+    /**
+     * Creates a new {@link CancelTargetAssignmentEvent}.
+     *
+     * @param target
+     *            entity
+     * @param actionId
+     *            the action id of the assignment
+     */
+    public CancelTargetAssignmentEvent(final Target target, final Long actionId) {
+        this.target = target;
+        this.actionId = actionId;
+    }
+
+    /**
+     * @return the action id of the assignment
+     */
+    public Long getActionId() {
+        return actionId;
+    }
+
+    /**
+     * @return target where the action got canceled
+     */
+    public Target getTarget() {
+        return target;
+    }
+
+    @Override
+    public long getRevision() {
+        return -1;
+    }
+
+    @Override
+    public String getTenant() {
+        return target.getTenant();
+    }
+
+}

hawkbit-repository/hawkbit-repository-api/src/main/java/org/eclipse/hawkbit/repository/eventbus/event/DistributionSetTagAssigmentResultEvent.java

@@ -8,27 +8,43 @@
  */
 package org.eclipse.hawkbit.repository.eventbus.event;
 
+import org.eclipse.hawkbit.eventbus.event.Event;
 import org.eclipse.hawkbit.repository.model.DistributionSetTagAssignmentResult;
 
 /**
  * A event for assignment target tag.
  */
-public class DistributionSetTagAssigmentResultEvent {
+public class DistributionSetTagAssigmentResultEvent implements Event {
 
     private final DistributionSetTagAssignmentResult assigmentResult;
+    private final String tenant;
 
     /**
      * Constructor.
      * 
      * @param assigmentResult
-     *            the assignment result-
+     *            the assignment result
+     * @param tenant
+     *            current
      */
-    public DistributionSetTagAssigmentResultEvent(final DistributionSetTagAssignmentResult assigmentResult) {
+    public DistributionSetTagAssigmentResultEvent(final DistributionSetTagAssignmentResult assigmentResult,
+            final String tenant) {
         this.assigmentResult = assigmentResult;
+        this.tenant = tenant;
     }
 
     public DistributionSetTagAssignmentResult getAssigmentResult() {
         return assigmentResult;
     }
 
+    @Override
+    public long getRevision() {
+        return -1;
+    }
+
+    @Override
+    public String getTenant() {
+        return tenant;
+    }
+
 }

hawkbit-repository/hawkbit-repository-api/src/main/java/org/eclipse/hawkbit/repository/eventbus/event/DistributionSetTagCreatedBulkEvent.java

@@ -1,46 +0,0 @@
-/**
- * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
- *
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- */
-package org.eclipse.hawkbit.repository.eventbus.event;
-
-import java.util.List;
-
-import org.eclipse.hawkbit.repository.model.DistributionSetTag;
-
-/**
- * * A bulk event which contains one or many new ds tag after creating.
- */
-public class DistributionSetTagCreatedBulkEvent extends AbstractEntityBulkEvent<DistributionSetTag> {
-
-    private static final long serialVersionUID = 1L;
-
-    /**
-     * Constructor.
-     * 
-     * @param tenant
-     *            the tenant
-     * @param entities
-     *            the new ds tags
-     */
-    public DistributionSetTagCreatedBulkEvent(final String tenant, final List<DistributionSetTag> entities) {
-        super(tenant, entities);
-    }
-
-    /**
-     * Constructor.
-     * 
-     * @param tenant
-     *            the tenant.
-     * @param entity
-     *            the new ds tag
-     */
-    public DistributionSetTagCreatedBulkEvent(final String tenant, final DistributionSetTag entity) {
-        super(tenant, entity);
-    }
-
-}

hawkbit-repository/hawkbit-repository-api/src/main/java/org/eclipse/hawkbit/repository/eventbus/event/DistributionSetTagCreatedEvent.java

@@ -0,0 +1,31 @@
+/**
+ * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.eclipse.hawkbit.repository.eventbus.event;
+
+import org.eclipse.hawkbit.repository.model.DistributionSetTag;
+
+/**
+ * Defines the {@link AbstractBaseEntityEvent} for creation of a new
+ * {@link DistributionSetTag}.
+ *
+ */
+public class DistributionSetTagCreatedEvent extends AbstractBaseEntityEvent<DistributionSetTag> {
+
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * Constructor.
+     * 
+     * @param tag
+     *            the tag which is updated
+     */
+    public DistributionSetTagCreatedEvent(final DistributionSetTag tag) {
+        super(tag);
+    }
+}

hawkbit-repository/hawkbit-repository-api/src/main/java/org/eclipse/hawkbit/repository/eventbus/event/EntityBulkEvent.java

@@ -1,35 +0,0 @@
-/**
- * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
- *
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- */
-package org.eclipse.hawkbit.repository.eventbus.event;
-
-import java.io.Serializable;
-import java.util.List;
-
-import org.eclipse.hawkbit.eventbus.event.Event;
-import org.eclipse.hawkbit.repository.model.TenantAwareBaseEntity;
-
-/**
- * An event interface which declares event types that an entities has been
- * changed.
- *
- * @param <E>
- *            the entity type
- */
-public interface EntityBulkEvent<E extends TenantAwareBaseEntity> extends Serializable, Event {
-
-    /**
-     * A typesafe way to retrieve the the entities from the event, which might
-     * be loaded lazy in case the event has been distributed from another node.
-     * 
-     * @return the entities might be lazy loaded. Might be {@code null} in case
-     *         the entity e.g. is queried lazy on a different node and has been
-     *         already deleted from the database
-     */
-    List<E> getEntities();
-}

hawkbit-repository/hawkbit-repository-api/src/main/java/org/eclipse/hawkbit/repository/eventbus/event/TargetTagAssigmentResultEvent.java

@@ -8,22 +8,27 @@
  */
 package org.eclipse.hawkbit.repository.eventbus.event;
 
+import org.eclipse.hawkbit.eventbus.event.Event;
 import org.eclipse.hawkbit.repository.model.TargetTagAssignmentResult;
 
 /**
  * A event for assignment target tag.
  */
-public class TargetTagAssigmentResultEvent {
+public class TargetTagAssigmentResultEvent implements Event {
 
     private final TargetTagAssignmentResult assigmentResult;
+    private final String tenant;
 
     /**
      * Constructor.
      * 
      * @param assigmentResult
      *            the assignment result-
+     * @param tenant
+     *            current
      */
-    public TargetTagAssigmentResultEvent(final TargetTagAssignmentResult assigmentResult) {
+    public TargetTagAssigmentResultEvent(final TargetTagAssignmentResult assigmentResult, final String tenant) {
+        this.tenant = tenant;
         this.assigmentResult = assigmentResult;
     }
 
@@ -31,4 +36,14 @@ public class TargetTagAssigmentResultEvent {
         return assigmentResult;
     }
 
+    @Override
+    public long getRevision() {
+        return -1;
+    }
+
+    @Override
+    public String getTenant() {
+        return tenant;
+    }
+
 }

hawkbit-repository/hawkbit-repository-api/src/main/java/org/eclipse/hawkbit/repository/eventbus/event/TargetTagCreatedBulkEvent.java

@@ -1,46 +0,0 @@
-/**
- * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
- *
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- */
-package org.eclipse.hawkbit.repository.eventbus.event;
-
-import java.util.List;
-
-import org.eclipse.hawkbit.repository.model.TargetTag;
-
-/**
- * A bulk event which contains one or many new target tags after creating.
- */
-public class TargetTagCreatedBulkEvent extends AbstractEntityBulkEvent<TargetTag> {
-
-    private static final long serialVersionUID = 1L;
-
-    /**
-     * Constructor.
-     * 
-     * @param tenant
-     *            the tenant
-     * @param entities
-     *            the new targets
-     */
-    public TargetTagCreatedBulkEvent(final String tenant, final List<TargetTag> entities) {
-        super(tenant, entities);
-    }
-
-    /**
-     * Constructor.
-     * 
-     * @param tenant
-     *            the tenant
-     * @param entity
-     *            one new target
-     */
-    public TargetTagCreatedBulkEvent(final String tenant, final TargetTag entity) {
-        super(tenant, entity);
-    }
-
-}

hawkbit-repository/hawkbit-repository-api/src/main/java/org/eclipse/hawkbit/repository/eventbus/event/TargetTagCreatedEvent.java

@@ -0,0 +1,31 @@
+/**
+ * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.eclipse.hawkbit.repository.eventbus.event;
+
+import org.eclipse.hawkbit.repository.model.TargetTag;
+
+/**
+ * Defines the {@link AbstractBaseEntityEvent} for creation of a new
+ * {@link TargetTag}.
+ *
+ */
+public class TargetTagCreatedEvent extends AbstractBaseEntityEvent<TargetTag> {
+
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * Constructor.
+     * 
+     * @param tag
+     *            the tag which has been created
+     */
+    public TargetTagCreatedEvent(final TargetTag tag) {
+        super(tag);
+    }
+}

hawkbit-repository/hawkbit-repository-api/src/main/java/org/eclipse/hawkbit/repository/model/DistributionSetTagAssignmentResult.java

@@ -10,13 +10,16 @@ package org.eclipse.hawkbit.repository.model;
 
 import java.util.List;
 
+import org.eclipse.hawkbit.eventbus.event.Event;
+
 /**
  * Result object for {@link DistributionSetTag} assignments.
  *
  */
-public class DistributionSetTagAssignmentResult extends AssignmentResult<DistributionSet> {
+public class DistributionSetTagAssignmentResult extends AssignmentResult<DistributionSet> implements Event {
 
     private final DistributionSetTag distributionSetTag;
+    private final String tenant;
 
     /**
      * Constructor.
@@ -36,14 +39,24 @@ public class DistributionSetTagAssignmentResult extends AssignmentResult<Distrib
      */
     public DistributionSetTagAssignmentResult(final int alreadyAssigned, final int assigned, final int unassigned,
             final List<DistributionSet> assignedDs, final List<DistributionSet> unassignedDs,
-            final DistributionSetTag distributionSetTag) {
-        super(assigned, alreadyAssigned,unassigned, assignedDs, unassignedDs);
+            final DistributionSetTag distributionSetTag, final String tenant) {
+        super(assigned, alreadyAssigned, unassigned, assignedDs, unassignedDs);
         this.distributionSetTag = distributionSetTag;
+        this.tenant = tenant;
     }
 
     public DistributionSetTag getDistributionSetTag() {
         return distributionSetTag;
     }
 
+    @Override
+    public long getRevision() {
+        return 0;
+    }
+
+    @Override
+    public String getTenant() {
+        return tenant;
+    }
 
 }

hawkbit-repository/hawkbit-repository-api/src/main/java/org/eclipse/hawkbit/repository/model/Target.java

@@ -70,13 +70,13 @@ public interface Target extends NamedEntity {
      * @return <code>true</code> if tag could be added sucessfully (i.e. was not
      *         already in the list).
      */
-    public boolean addTag(TargetTag tag);
+    boolean addTag(TargetTag tag);
 
     /**
      * @param tag
      *            to remove
      * @return <code>true</code> if tag was in the list and removed
      */
-    public boolean removeTag(TargetTag tag);
+    boolean removeTag(TargetTag tag);
 
 }

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/RepositoryApplicationConfiguration.java

@@ -207,15 +207,14 @@ public class RepositoryApplicationConfiguration extends JpaBaseConfiguration {
     @Override
     protected Map<String, Object> getVendorProperties() {
 
-        final Map<String, Object> properties = Maps.newHashMapWithExpectedSize(5);
+        final Map<String, Object> properties = Maps.newHashMapWithExpectedSize(4);
         // Turn off dynamic weaving to disable LTW lookup in static weaving mode
         properties.put("eclipselink.weaving", "false");
         // needed for reports
         properties.put("eclipselink.jdbc.allow-native-sql-queries", "true");
         // flyway
         properties.put("eclipselink.ddl-generation", "none");
-
-        properties.put("eclipselink.persistence-context.flush-mode", "auto");
+        // Embeed into hawkBit logging
         properties.put("eclipselink.logging.logger", "JavaLogger");
 
         return properties;

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/EclipseLinkTargetInfoRepository.java

@@ -8,7 +8,6 @@
  */
 package org.eclipse.hawkbit.repository.jpa;
 
-import java.util.Collection;
 import java.util.List;
 
 import javax.persistence.EntityManager;
@@ -60,15 +59,4 @@ public class EclipseLinkTargetInfoRepository implements TargetInfoRepository {
         }
     }
 
-    @Override
-    @Modifying
-    @Transactional(isolation = Isolation.READ_UNCOMMITTED)
-    @CacheEvict(value = { "targetStatus", "distributionUsageInstalled", "targetsLastPoll" }, allEntries = true)
-    public void deleteByTargetIdIn(final Collection<Long> targetIDs) {
-        final javax.persistence.Query query = entityManager
-                .createQuery("DELETE FROM JpaTargetInfo ti where ti.targetId IN :target");
-        query.setParameter("target", targetIDs);
-
-    }
-
 }

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/JpaArtifactManagement.java

@@ -150,28 +150,22 @@ public class JpaArtifactManagement implements ArtifactManagement {
     @Override
     @Modifying
     @Transactional(isolation = Isolation.READ_UNCOMMITTED)
-    public void deleteLocalArtifact(final LocalArtifact existing) {
-        if (existing == null) {
-            return;
-        }
+    public boolean clearLocalArtifactBinary(final LocalArtifact existing) {
 
-        boolean artifactIsOnlyUsedByOneSoftwareModule = true;
         for (final LocalArtifact lArtifact : localArtifactRepository
                 .findByGridFsFileName(((JpaLocalArtifact) existing).getGridFsFileName())) {
             if (!lArtifact.getSoftwareModule().isDeleted()
                     && Long.compare(lArtifact.getSoftwareModule().getId(), existing.getSoftwareModule().getId()) != 0) {
-                artifactIsOnlyUsedByOneSoftwareModule = false;
-                break;
+                return false;
             }
         }
 
-        if (artifactIsOnlyUsedByOneSoftwareModule) {
-            try {
-                LOG.debug("deleting artifact from repository {}", ((JpaLocalArtifact) existing).getGridFsFileName());
-                artifactRepository.deleteBySha1(((JpaLocalArtifact) existing).getGridFsFileName());
-            } catch (final ArtifactStoreException e) {
-                throw new ArtifactDeleteFailedException(e);
-            }
+        try {
+            LOG.debug("deleting artifact from repository {}", ((JpaLocalArtifact) existing).getGridFsFileName());
+            artifactRepository.deleteBySha1(((JpaLocalArtifact) existing).getGridFsFileName());
+            return true;
+        } catch (final ArtifactStoreException e) {
+            throw new ArtifactDeleteFailedException(e);
         }
     }
 
@@ -185,7 +179,7 @@ public class JpaArtifactManagement implements ArtifactManagement {
             return;
         }
 
-        deleteLocalArtifact(existing);
+        clearLocalArtifactBinary(existing);
 
         existing.getSoftwareModule().removeArtifact(existing);
         softwareModuleRepository.save((JpaSoftwareModule) existing.getSoftwareModule());

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/JpaControllerManagement.java

@@ -225,6 +225,11 @@ public class JpaControllerManagement implements ControllerManagement {
         if (address != null) {
             mtargetInfo.setAddress(address.toString());
         }
+
+        if (mtargetInfo.getUpdateStatus() == TargetUpdateStatus.UNKNOWN) {
+            mtargetInfo.setUpdateStatus(TargetUpdateStatus.REGISTERED);
+        }
+
         return targetInfoRepository.save(mtargetInfo);
     }
 

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/JpaDeploymentManagement.java

@@ -28,11 +28,11 @@ import javax.persistence.criteria.ListJoin;
 import javax.persistence.criteria.Root;
 import javax.validation.constraints.NotNull;
 
-import org.eclipse.hawkbit.eventbus.event.CancelTargetAssignmentEvent;
 import org.eclipse.hawkbit.repository.ActionFields;
 import org.eclipse.hawkbit.repository.DeploymentManagement;
 import org.eclipse.hawkbit.repository.DistributionSetAssignmentResult;
 import org.eclipse.hawkbit.repository.TargetManagement;
+import org.eclipse.hawkbit.repository.eventbus.event.CancelTargetAssignmentEvent;
 import org.eclipse.hawkbit.repository.eventbus.event.TargetAssignDistributionSetEvent;
 import org.eclipse.hawkbit.repository.eventbus.event.TargetInfoUpdateEvent;
 import org.eclipse.hawkbit.repository.exception.CancelActionNotAllowedException;
@@ -83,6 +83,7 @@ import org.springframework.data.domain.Slice;
 import org.springframework.data.jpa.domain.Specification;
 import org.springframework.data.jpa.repository.Modifying;
 import org.springframework.transaction.annotation.Isolation;
+import org.springframework.transaction.annotation.Propagation;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.validation.annotation.Validated;
 
@@ -353,17 +354,6 @@ public class JpaDeploymentManagement implements DeploymentManagement {
         return actionForTarget;
     }
 
-    /**
-     * Sends the {@link TargetAssignDistributionSetEvent} for a specific target
-     * to the {@link EventBus}.
-     *
-     * @param target
-     *            the Target which has been assigned to a distribution set
-     * @param actionId
-     *            the action id of the assignment
-     * @param modules
-     *            the software modules which have been assigned
-     */
     private void assignDistributionSetEvent(final JpaTarget target, final Long actionId,
             final List<JpaSoftwareModule> modules) {
         ((JpaTargetInfo) target.getTargetInfo()).setUpdateStatus(TargetUpdateStatus.PENDING);
@@ -457,8 +447,7 @@ public class JpaDeploymentManagement implements DeploymentManagement {
      *            the action id of the assignment
      */
     private void cancelAssignDistributionSetEvent(final Target target, final Long actionId) {
-        afterCommit.afterCommit(() -> eventBus.post(new CancelTargetAssignmentEvent(target.getOptLockRevision(),
-                target.getTenant(), target.getControllerId(), actionId, target.getTargetInfo().getAddress())));
+        afterCommit.afterCommit(() -> eventBus.post(new CancelTargetAssignmentEvent(target, actionId)));
     }
 
     @Override
@@ -517,7 +506,7 @@ public class JpaDeploymentManagement implements DeploymentManagement {
 
     @Override
     @Modifying
-    @Transactional(isolation = Isolation.READ_COMMITTED)
+    @Transactional(propagation = Propagation.REQUIRES_NEW, isolation = Isolation.READ_COMMITTED)
     public Action startScheduledAction(final Action action) {
 
         final JpaAction mergedAction = (JpaAction) entityManager.merge(action);
@@ -618,7 +607,7 @@ public class JpaDeploymentManagement implements DeploymentManagement {
         return convertAcPage(actions, pageable);
     }
 
-    private Specification<JpaAction> createSpecificationFor(final Target target, final String rsqlParam) {
+    private static Specification<JpaAction> createSpecificationFor(final Target target, final String rsqlParam) {
         final Specification<JpaAction> spec = RSQLUtility.parse(rsqlParam, ActionFields.class);
         return (root, query, cb) -> cb.and(spec.toPredicate(root, query, cb),
                 cb.equal(root.get(JpaAction_.target), target));

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/JpaDistributionSetManagement.java

@@ -142,15 +142,17 @@ public class JpaDistributionSetManagement implements DistributionSetManagement {
             }
             result = new DistributionSetTagAssignmentResult(dsIds.size() - toBeChangedDSs.size(), 0,
                     toBeChangedDSs.size(), Collections.emptyList(),
-                    Collections.unmodifiableList(distributionSetRepository.save(toBeChangedDSs)), myTag);
+                    Collections.unmodifiableList(distributionSetRepository.save(toBeChangedDSs)), myTag,
+                    tenantAware.getCurrentTenant());
         } else {
             result = new DistributionSetTagAssignmentResult(dsIds.size() - toBeChangedDSs.size(), toBeChangedDSs.size(),
                     0, Collections.unmodifiableList(distributionSetRepository.save(toBeChangedDSs)),
-                    Collections.emptyList(), myTag);
+                    Collections.emptyList(), myTag, tenantAware.getCurrentTenant());
         }
 
         final DistributionSetTagAssignmentResult resultAssignment = result;
-        afterCommit.afterCommit(() -> eventBus.post(new DistributionSetTagAssigmentResultEvent(resultAssignment)));
+        afterCommit.afterCommit(() -> eventBus
+                .post(new DistributionSetTagAssigmentResultEvent(resultAssignment, tenantAware.getCurrentTenant())));
 
         // no reason to persist the tag
         entityManager.detach(myTag);
@@ -708,8 +710,8 @@ public class JpaDistributionSetManagement implements DistributionSetManagement {
         afterCommit.afterCommit(() -> {
 
             final DistributionSetTagAssignmentResult result = new DistributionSetTagAssignmentResult(0, save.size(), 0,
-                    save, Collections.emptyList(), tag);
-            eventBus.post(new DistributionSetTagAssigmentResultEvent(result));
+                    save, Collections.emptyList(), tag, tenantAware.getCurrentTenant());
+            eventBus.post(new DistributionSetTagAssigmentResultEvent(result, tenantAware.getCurrentTenant()));
         });
 
         return save;

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/JpaSoftwareManagement.java

@@ -243,7 +243,7 @@ public class JpaSoftwareManagement implements SoftwareManagement {
 
     private void deleteGridFsArtifacts(final JpaSoftwareModule swModule) {
         for (final LocalArtifact localArtifact : swModule.getLocalArtifacts()) {
-            artifactManagement.deleteLocalArtifact(localArtifact);
+            artifactManagement.clearLocalArtifactBinary(localArtifact);
         }
     }
 

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/JpaTagManagement.java

@@ -17,10 +17,10 @@ import java.util.List;
 
 import org.eclipse.hawkbit.repository.TagFields;
 import org.eclipse.hawkbit.repository.TagManagement;
-import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetTagCreatedBulkEvent;
+import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetTagCreatedEvent;
 import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetTagDeletedEvent;
 import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetTagUpdateEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.TargetTagCreatedBulkEvent;
+import org.eclipse.hawkbit.repository.eventbus.event.TargetTagCreatedEvent;
 import org.eclipse.hawkbit.repository.eventbus.event.TargetTagDeletedEvent;
 import org.eclipse.hawkbit.repository.eventbus.event.TargetTagUpdateEvent;
 import org.eclipse.hawkbit.repository.exception.EntityAlreadyExistsException;
@@ -92,8 +92,7 @@ public class JpaTagManagement implements TagManagement {
 
         final TargetTag save = targetTagRepository.save((JpaTargetTag) targetTag);
 
-        afterCommit
-                .afterCommit(() -> eventBus.post(new TargetTagCreatedBulkEvent(tenantAware.getCurrentTenant(), save)));
+        afterCommit.afterCommit(() -> eventBus.post(new TargetTagCreatedEvent(save)));
 
         return save;
     }
@@ -112,8 +111,7 @@ public class JpaTagManagement implements TagManagement {
         });
 
         final List<TargetTag> save = Collections.unmodifiableList(targetTagRepository.save(targetTags));
-        afterCommit
-                .afterCommit(() -> eventBus.post(new TargetTagCreatedBulkEvent(tenantAware.getCurrentTenant(), save)));
+        afterCommit.afterCommit(() -> save.forEach(tag -> eventBus.post(new TargetTagCreatedEvent(tag))));
         return save;
     }
 
@@ -195,8 +193,7 @@ public class JpaTagManagement implements TagManagement {
 
         final DistributionSetTag save = distributionSetTagRepository.save((JpaDistributionSetTag) distributionSetTag);
 
-        afterCommit.afterCommit(
-                () -> eventBus.post(new DistributionSetTagCreatedBulkEvent(tenantAware.getCurrentTenant(), save)));
+        afterCommit.afterCommit(() -> eventBus.post(new DistributionSetTagCreatedEvent(save)));
         return save;
     }
 
@@ -215,8 +212,7 @@ public class JpaTagManagement implements TagManagement {
         }
         final List<DistributionSetTag> save = Collections
                 .unmodifiableList(distributionSetTagRepository.save(distributionSetTags));
-        afterCommit.afterCommit(
-                () -> eventBus.post(new DistributionSetTagCreatedBulkEvent(tenantAware.getCurrentTenant(), save)));
+        afterCommit.afterCommit(() -> save.forEach(tag -> eventBus.post(new DistributionSetTagCreatedEvent(tag))));
 
         return save;
     }

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/JpaTargetManagement.java

@@ -202,19 +202,16 @@ public class JpaTargetManagement implements TargetManagement {
     @Modifying
     @Transactional(isolation = Isolation.READ_UNCOMMITTED)
     public void deleteTargets(final Long... targetIDs) {
-        // we need to select the target IDs first to check the if the targetIDs
-        // belonging to the
-        // tenant! Delete statement are not automatically enhanced with the
-        // @FilterDef of the
-        // hibernate session.
-        final List<Long> targetsForCurrentTenant = targetRepository.findAll(Lists.newArrayList(targetIDs)).stream()
-                .map(Target::getId).collect(Collectors.toList());
-        if (!targetsForCurrentTenant.isEmpty()) {
-            targetInfoRepository.deleteByTargetIdIn(targetsForCurrentTenant);
-            targetRepository.deleteByIdIn(targetsForCurrentTenant);
-        }
-        targetsForCurrentTenant
-                .forEach(targetId -> eventBus.post(new TargetDeletedEvent(tenantAware.getCurrentTenant(), targetId)));
+        deleteTargets(Lists.newArrayList(targetIDs));
+    }
+
+    @Override
+    @Modifying
+    @Transactional(isolation = Isolation.READ_UNCOMMITTED)
+    public void deleteTargets(final Collection<Long> targetIDs) {
+        targetRepository.deleteByIdIn(targetIDs);
+
+        targetIDs.forEach(targetId -> eventBus.post(new TargetDeletedEvent(tenantAware.getCurrentTenant(), targetId)));
     }
 
     @Override
@@ -348,7 +345,8 @@ public class JpaTargetManagement implements TargetManagement {
             final TargetTagAssignmentResult result = new TargetTagAssignmentResult(0, 0, alreadyAssignedTargets.size(),
                     Collections.emptyList(), alreadyAssignedTargets, tag);
 
-            afterCommit.afterCommit(() -> eventBus.post(new TargetTagAssigmentResultEvent(result)));
+            afterCommit.afterCommit(
+                    () -> eventBus.post(new TargetTagAssigmentResultEvent(result, tenantAware.getCurrentTenant())));
             return result;
         }
 
@@ -359,7 +357,8 @@ public class JpaTargetManagement implements TargetManagement {
                 allTargets.size(), 0, Collections.unmodifiableList(targetRepository.save(allTargets)),
                 Collections.emptyList(), tag);
 
-        afterCommit.afterCommit(() -> eventBus.post(new TargetTagAssigmentResultEvent(result)));
+        afterCommit.afterCommit(
+                () -> eventBus.post(new TargetTagAssigmentResultEvent(result, tenantAware.getCurrentTenant())));
 
         // no reason to persist the tag
         entityManager.detach(tag);
@@ -369,9 +368,9 @@ public class JpaTargetManagement implements TargetManagement {
     @Override
     @Modifying
     @Transactional(isolation = Isolation.READ_UNCOMMITTED)
-    public List<Target> assignTag(final Collection<String> targetIds, final TargetTag tag) {
+    public List<Target> assignTag(final Collection<String> controllerIds, final TargetTag tag) {
         final List<JpaTarget> allTargets = targetRepository
-                .findAll(TargetSpecifications.byControllerIdWithStatusAndTagsInJoin(targetIds));
+                .findAll(TargetSpecifications.byControllerIdWithStatusAndTagsInJoin(controllerIds));
 
         allTargets.forEach(target -> target.addTag(tag));
         final List<Target> save = Collections.unmodifiableList(targetRepository.save(allTargets));
@@ -379,7 +378,7 @@ public class JpaTargetManagement implements TargetManagement {
         afterCommit.afterCommit(() -> {
             final TargetTagAssignmentResult assigmentResult = new TargetTagAssignmentResult(0, save.size(), 0, save,
                     Collections.emptyList(), tag);
-            eventBus.post(new TargetTagAssigmentResultEvent(assigmentResult));
+            eventBus.post(new TargetTagAssigmentResultEvent(assigmentResult, tenantAware.getCurrentTenant()));
         });
 
         return save;
@@ -395,7 +394,7 @@ public class JpaTargetManagement implements TargetManagement {
         afterCommit.afterCommit(() -> {
             final TargetTagAssignmentResult assigmentResult = new TargetTagAssignmentResult(0, 0, save.size(),
                     Collections.emptyList(), save, tag);
-            eventBus.post(new TargetTagAssigmentResultEvent(assigmentResult));
+            eventBus.post(new TargetTagAssigmentResultEvent(assigmentResult, tenantAware.getCurrentTenant()));
         });
         return save;
     }
@@ -563,8 +562,8 @@ public class JpaTargetManagement implements TargetManagement {
     }
 
     @Override
-    public Page<Target> findAllTargetsByTargetFilterQueryAndNonDS(@NotNull Pageable pageRequest,
-                                                                  Long distributionSetId, @NotNull TargetFilterQuery targetFilterQuery) {
+    public Page<Target> findAllTargetsByTargetFilterQueryAndNonDS(@NotNull final Pageable pageRequest,
+            final Long distributionSetId, @NotNull final TargetFilterQuery targetFilterQuery) {
 
         final Specification<JpaTarget> spec = RSQLUtility.parse(targetFilterQuery.getQuery(), TargetFields.class);
 
@@ -577,7 +576,8 @@ public class JpaTargetManagement implements TargetManagement {
     }
 
     @Override
-    public Long countTargetsByTargetFilterQueryAndNonDS(Long distributionSetId, @NotNull TargetFilterQuery targetFilterQuery) {
+    public Long countTargetsByTargetFilterQueryAndNonDS(final Long distributionSetId,
+            @NotNull final TargetFilterQuery targetFilterQuery) {
         final Specification<JpaTarget> spec = RSQLUtility.parse(targetFilterQuery.getQuery(), TargetFields.class);
         final List<Specification<JpaTarget>> specList = new ArrayList<>(2);
         specList.add(spec);

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/JpaTenantStatsManagement.java

@@ -8,8 +8,6 @@
  */
 package org.eclipse.hawkbit.repository.jpa;
 
-import java.util.Optional;
-
 import org.eclipse.hawkbit.repository.TenantStatsManagement;
 import org.eclipse.hawkbit.repository.report.model.TenantUsage;
 import org.eclipse.hawkbit.tenancy.TenantAware;
@@ -46,15 +44,8 @@ public class JpaTenantStatsManagement implements TenantStatsManagement {
         final TenantUsage result = new TenantUsage(tenant);
 
         result.setTargets(targetRepository.count());
-
-        final Long artifacts = artifactRepository.countBySoftwareModuleDeleted(false);
-        result.setArtifacts(artifacts);
-
-        final Optional<Long> artifactsSize = artifactRepository.getSumOfUndeletedArtifactSize();
-        if (artifactsSize.isPresent()) {
-            result.setOverallArtifactVolumeInBytes(artifactsSize.get());
-        }
-
+        result.setArtifacts(artifactRepository.countBySoftwareModuleDeleted(false));
+        artifactRepository.getSumOfUndeletedArtifactSize().map(result::setOverallArtifactVolumeInBytes);
         result.setActions(actionRepository.count());
 
         return result;

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/RolloutGroupRepository.java

@@ -18,6 +18,7 @@ import org.eclipse.hawkbit.repository.model.RolloutGroup.RolloutGroupStatus;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
+import org.springframework.data.jpa.repository.Modifying;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.query.Param;
 import org.springframework.transaction.annotation.Isolation;
@@ -107,6 +108,20 @@ public interface RolloutGroupRepository
      */
     List<JpaRolloutGroup> findByParentAndStatus(JpaRolloutGroup rolloutGroup, RolloutGroupStatus status);
 
+    /**
+     * Updates all {@link RolloutGroup#getStatus()} of children for given
+     * parent.
+     * 
+     * @param parent
+     *            the parent rolloutgroup
+     * @param status
+     *            the status of the rolloutgroups
+     */
+    @Modifying
+    @Transactional(isolation = Isolation.READ_UNCOMMITTED)
+    @Query("UPDATE JpaRolloutGroup g SET g.status = :status WHERE g.parent = :parent")
+    void setStatusForCildren(@Param("status") RolloutGroupStatus status, @Param("parent") RolloutGroup parent);
+
     /**
      * Retrieves all {@link RolloutGroup} for a specific rollout and status not
      * having ordered by ID DESC, latest top.

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/RolloutRepository.java

@@ -62,7 +62,10 @@ public interface RolloutRepository
     List<JpaRollout> findByLastCheckAndStatus(long lastCheck, RolloutStatus status);
 
     /**
-     * Retrieves all {@link Rollout} for a specific {@code name}
+     * Retrieves all {@link Rollout} for a specific {@code name}.
+     * 
+     * @param pageable
+     *            for paging information
      * 
      * @param name
      *            the rollout name

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/TargetInfoRepository.java

@@ -8,7 +8,6 @@
  */
 package org.eclipse.hawkbit.repository.jpa;
 
-import java.util.Collection;
 import java.util.List;
 
 import javax.persistence.Entity;
@@ -56,15 +55,4 @@ public interface TargetInfoRepository {
      */
     @CacheEvict(value = { "targetStatus", "distributionUsageInstalled", "targetsLastPoll" }, allEntries = true)
     <S extends JpaTargetInfo> S save(S entity);
-
-    /**
-     * Deletes info entries by ID.
-     *
-     * @param targetIDs
-     *            to delete
-     */
-    @Modifying
-    @Transactional(isolation = Isolation.READ_UNCOMMITTED)
-    @CacheEvict(value = { "targetStatus", "distributionUsageInstalled", "targetsLastPoll" }, allEntries = true)
-    void deleteByTargetIdIn(final Collection<Long> targetIDs);
 }

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/TargetRepository.java

@@ -68,6 +68,7 @@ public interface TargetRepository extends BaseEntityRepository<JpaTarget, Long>,
     @Transactional(isolation = Isolation.READ_UNCOMMITTED)
     // Workaround for https://bugs.eclipse.org/bugs/show_bug.cgi?id=349477
     @Query("DELETE FROM JpaTarget t WHERE t.id IN ?1")
+    @CacheEvict(value = { "targetStatus", "distributionUsageInstalled", "targetsLastPoll" }, allEntries = true)
     void deleteByIdIn(final Collection<Long> targetIDs);
 
     /**

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/model/JpaAction.java

@@ -181,7 +181,8 @@ public class JpaAction extends AbstractJpaTenantAwareBaseEntity implements Actio
 
     @Override
     public String toString() {
-        return "Action [distributionSet=" + distributionSet + ", getId()=" + getId() + "]";
+        return "JpaAction [distributionSet=" + distributionSet.getId() + ", version=" + getOptLockRevision() + ", id="
+                + getId() + "]";
     }
 
     @Override

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/model/JpaDistributionSet.java

@@ -78,12 +78,14 @@ public class JpaDistributionSet extends AbstractJpaNamedVersionedEntity implemen
     @Column(name = "required_migration_step")
     private boolean requiredMigrationStep;
 
+    @CascadeOnDelete
     @ManyToMany(targetEntity = JpaSoftwareModule.class, fetch = FetchType.LAZY)
     @JoinTable(name = "sp_ds_module", joinColumns = {
             @JoinColumn(name = "ds_id", foreignKey = @ForeignKey(value = ConstraintMode.CONSTRAINT, name = "fk_ds_module_ds")) }, inverseJoinColumns = {
                     @JoinColumn(name = "module_id", foreignKey = @ForeignKey(value = ConstraintMode.CONSTRAINT, name = "fk_ds_module_module")) })
     private Set<SoftwareModule> modules;
 
+    @CascadeOnDelete
     @ManyToMany(targetEntity = JpaDistributionSetTag.class)
     @JoinTable(name = "sp_ds_dstag", joinColumns = {
             @JoinColumn(name = "ds", foreignKey = @ForeignKey(value = ConstraintMode.CONSTRAINT, name = "fk_ds_dstag_ds")) }, inverseJoinColumns = {
@@ -276,9 +278,8 @@ public class JpaDistributionSet extends AbstractJpaNamedVersionedEntity implemen
                 .filter(module -> module.getType().getKey().equals(softwareModule.getType().getKey())).count();
 
         if (allready >= softwareModule.getType().getMaxAssignments()) {
-            final Optional<SoftwareModule> sameKey = modules.stream()
-                    .filter(module -> module.getType().getKey().equals(softwareModule.getType().getKey())).findFirst();
-            modules.remove(sameKey.get());
+            modules.stream().filter(module -> module.getType().getKey().equals(softwareModule.getType().getKey()))
+                    .findFirst().map(modules::remove);
         }
 
         if (modules.add(softwareModule)) {
@@ -326,14 +327,7 @@ public class JpaDistributionSet extends AbstractJpaNamedVersionedEntity implemen
             return null;
         }
 
-        final Optional<SoftwareModule> result = modules.stream().filter(module -> module.getType().equals(type))
-                .findFirst();
-
-        if (result.isPresent()) {
-            return result.get();
-        }
-
-        return null;
+        return modules.stream().filter(module -> module.getType().equals(type)).findFirst().orElse(null);
     }
 
     @Override

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/model/JpaSoftwareModule.java

@@ -76,9 +76,11 @@ public class JpaSoftwareModule extends AbstractJpaNamedVersionedEntity implement
     @Size(max = 256)
     private String vendor;
 
+    @CascadeOnDelete
     @OneToMany(mappedBy = "softwareModule", cascade = { CascadeType.ALL }, targetEntity = JpaLocalArtifact.class)
     private List<LocalArtifact> artifacts;
 
+    @CascadeOnDelete
     @OneToMany(mappedBy = "softwareModule", cascade = { CascadeType.ALL }, targetEntity = JpaExternalArtifact.class)
     private List<ExternalArtifact> externalArtifacts;
 

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/model/JpaTarget.java

@@ -82,6 +82,7 @@ public class JpaTarget extends AbstractJpaNamedEntity implements Persistable<Lon
     @Transient
     private boolean entityNew;
 
+    @CascadeOnDelete
     @ManyToMany(targetEntity = JpaTargetTag.class)
     @JoinTable(name = "sp_target_target_tag", joinColumns = {
             @JoinColumn(name = "target", foreignKey = @ForeignKey(value = ConstraintMode.CONSTRAINT, name = "fk_targ_targtag_target")) }, inverseJoinColumns = {

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/model/JpaTargetInfo.java

@@ -111,12 +111,12 @@ public class JpaTargetInfo implements Persistable<Long>, TargetInfo, EventAwareE
     /**
      * Read only on management API. Are commited by controller.
      */
+    @CascadeOnDelete
     @ElementCollection
     @Column(name = "attribute_value", length = 128)
     @MapKeyColumn(name = "attribute_key", nullable = false, length = 32)
     @CollectionTable(name = "sp_target_attributes", joinColumns = {
             @JoinColumn(name = "target_id") }, foreignKey = @ForeignKey(value = ConstraintMode.CONSTRAINT, name = "fk_targ_attrib_target"))
-
     private final Map<String, String> controllerAttributes = Collections.synchronizedMap(new HashMap<String, String>());
 
     // set default request controller attributes to true, because we want to

hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/rollout/condition/StartNextGroupRolloutGroupSuccessAction.java

@@ -61,7 +61,9 @@ public class StartNextGroupRolloutGroupSuccessAction implements RolloutGroupActi
                 rolloutGroup, Action.Status.SCHEDULED);
         logger.debug("{} Next actions to start for rollout {} and parent group {}", rolloutGroupActions.size(), rollout,
                 rolloutGroup);
-        rolloutGroupActions.forEach(action -> deploymentManagement.startScheduledAction(action));
+        rolloutGroupActions.forEach(deploymentManagement::startScheduledAction);
+        logger.debug("{} actions started for rollout {} and parent group {}", rolloutGroupActions.size(), rollout,
+                rolloutGroup);
         if (!rolloutGroupActions.isEmpty()) {
             // get all next scheduled groups based on the found actions and set
             // them in state running

hawkbit-repository/hawkbit-repository-jpa/src/main/resources/db/migration/H2/V1_7_2__cascade_delete___H2.sql

@@ -0,0 +1,27 @@
+alter table sp_ds_module drop constraint fk_ds_module_ds;
+alter table sp_ds_module 
+        add constraint fk_ds_module_ds 
+        foreign key (ds_id) 
+        references sp_distribution_set (id)
+        on delete cascade;
+
+alter table sp_ds_module drop constraint fk_ds_module_module;
+alter table sp_ds_module 
+        add constraint fk_ds_module_module 
+        foreign key (module_id) 
+        references sp_base_software_module (id)
+        on delete cascade;
+
+alter table sp_external_artifact drop constraint fk_external_assigned_sm;
+alter table sp_external_artifact 
+        add constraint fk_external_assigned_sm 
+        foreign key (software_module) 
+        references sp_base_software_module (id)
+        on delete cascade;
+
+alter table sp_artifact drop constraint fk_assigned_sm;
+alter table sp_artifact 
+        add constraint fk_assigned_sm 
+        foreign key (software_module) 
+        references sp_base_software_module (id)
+        on delete cascade;

hawkbit-repository/hawkbit-repository-jpa/src/main/resources/db/migration/MYSQL/V1_7_2__cascade_delete___MYSQL.sql

@@ -0,0 +1,27 @@
+alter table sp_ds_module drop FOREIGN KEY fk_ds_module_ds;
+alter table sp_ds_module 
+        add constraint fk_ds_module_ds 
+        foreign key (ds_id) 
+        references sp_distribution_set (id)
+        on delete cascade;
+
+alter table sp_ds_module drop FOREIGN KEY fk_ds_module_module;
+alter table sp_ds_module 
+        add constraint fk_ds_module_module 
+        foreign key (module_id) 
+        references sp_base_software_module (id)
+        on delete cascade;
+
+alter table sp_external_artifact drop FOREIGN KEY fk_external_assigned_sm;
+alter table sp_external_artifact 
+        add constraint fk_external_assigned_sm 
+        foreign key (software_module) 
+        references sp_base_software_module (id)
+        on delete cascade;
+
+alter table sp_artifact drop FOREIGN KEY fk_assigned_sm;
+alter table sp_artifact 
+        add constraint fk_assigned_sm 
+        foreign key (software_module) 
+        references sp_base_software_module (id)
+        on delete cascade;

hawkbit-repository/hawkbit-repository-jpa/src/test/java/org/eclipse/hawkbit/repository/jpa/DeploymentManagementTest.java

@@ -21,9 +21,9 @@ import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
 
-import org.eclipse.hawkbit.eventbus.event.CancelTargetAssignmentEvent;
 import org.eclipse.hawkbit.repository.ActionStatusFields;
 import org.eclipse.hawkbit.repository.DistributionSetAssignmentResult;
+import org.eclipse.hawkbit.repository.eventbus.event.CancelTargetAssignmentEvent;
 import org.eclipse.hawkbit.repository.eventbus.event.TargetAssignDistributionSetEvent;
 import org.eclipse.hawkbit.repository.exception.ForceQuitActionNotAllowedException;
 import org.eclipse.hawkbit.repository.exception.IncompleteDistributionSetException;

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/HawkbitEventProvider.java

@@ -1,68 +0,0 @@
-/**
- * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
- *
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- */
-package org.eclipse.hawkbit.ui;
-
-import java.util.HashSet;
-import java.util.Set;
-
-import org.eclipse.hawkbit.eventbus.event.Event;
-import org.eclipse.hawkbit.repository.eventbus.event.DistributionCreatedEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.DistributionDeletedEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetTagCreatedBulkEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetTagDeletedEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetTagUpdateEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetUpdateEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.RolloutChangeEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.RolloutGroupChangeEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.TargetCreatedEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.TargetDeletedEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.TargetInfoUpdateEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.TargetTagCreatedBulkEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.TargetTagDeletedEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.TargetTagUpdateEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.TargetUpdatedEvent;
-
-/**
- * The default hawkbit event provider.
- */
-public class HawkbitEventProvider implements UIEventProvider {
-
-    private static final Set<Class<? extends Event>> SINGLE_EVENTS = new HashSet<>(9);
-    private static final Set<Class<? extends Event>> BULK_EVENTS = new HashSet<>(5);
-
-    static {
-        SINGLE_EVENTS.add(TargetTagCreatedBulkEvent.class);
-        SINGLE_EVENTS.add(DistributionSetTagCreatedBulkEvent.class);
-        SINGLE_EVENTS.add(DistributionSetTagDeletedEvent.class);
-        SINGLE_EVENTS.add(TargetTagDeletedEvent.class);
-        SINGLE_EVENTS.add(DistributionSetTagUpdateEvent.class);
-        SINGLE_EVENTS.add(RolloutGroupChangeEvent.class);
-        SINGLE_EVENTS.add(RolloutChangeEvent.class);
-        SINGLE_EVENTS.add(TargetTagUpdateEvent.class);
-        SINGLE_EVENTS.add(DistributionSetUpdateEvent.class);
-
-        BULK_EVENTS.add(TargetCreatedEvent.class);
-        BULK_EVENTS.add(TargetInfoUpdateEvent.class);
-        BULK_EVENTS.add(TargetDeletedEvent.class);
-        BULK_EVENTS.add(DistributionDeletedEvent.class);
-        BULK_EVENTS.add(DistributionCreatedEvent.class);
-        BULK_EVENTS.add(TargetUpdatedEvent.class);
-    }
-
-    @Override
-    public Set<Class<? extends Event>> getSingleEvents() {
-        return SINGLE_EVENTS;
-    }
-
-    @Override
-    public Set<Class<? extends Event>> getBulkEvents() {
-        return BULK_EVENTS;
-    }
-
-}

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/UIEventProvider.java

@@ -1,60 +0,0 @@
-/**
- * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
- *
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- */
-package org.eclipse.hawkbit.ui;
-
-import java.util.Collections;
-import java.util.List;
-import java.util.Set;
-import java.util.stream.Collectors;
-
-import org.eclipse.hawkbit.eventbus.event.Event;
-
-/**
- * The UI event provider hold all supported repository events which will
- * delegated to the UI. A event type can delegated as single event or bulk
- * event. Bulk event means, that all events from one type is collected by the
- * provider. The delegater and delegated as a list of this events.
- */
-public interface UIEventProvider {
-
-    /**
-     * Return all supported repository single event types. All events which this
-     * type are delegated to the UI as single event.
-     * 
-     * @return list of provided event types. Should not be null
-     */
-    default Set<Class<? extends Event>> getSingleEvents() {
-        return Collections.emptySet();
-    }
-
-    /**
-     * Return all supported repository bulk event types. All events which this
-     * type are delegated to the UI as a list. This list contains all collected
-     * events from one type.
-     * 
-     * @return list of provided bulk event types. Should not be null
-     */
-    default Set<Class<? extends Event>> getBulkEvents() {
-        return Collections.emptySet();
-    }
-
-    /**
-     * Return all filtered bulk event types by the given events. The default
-     * maps the events by class.
-     * 
-     * @param allEvents
-     *            the events
-     * @return list of provided bulk event types which are filtered. Should not
-     *         be null
-     */
-    default Set<Class<?>> getFilteredBulkEventsType(final List<Event> allEvents) {
-        return allEvents.stream().map(Event::getClass).filter(getBulkEvents()::contains).collect(Collectors.toSet());
-    }
-
-}

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/artifacts/details/ArtifactDetailsLayout.java

@@ -32,10 +32,10 @@ import org.eclipse.hawkbit.ui.decorators.SPUIButtonStyleSmallNoBorder;
 import org.eclipse.hawkbit.ui.utils.HawkbitCommonUtil;
 import org.eclipse.hawkbit.ui.utils.I18N;
 import org.eclipse.hawkbit.ui.utils.SPDateTimeUtil;
-import org.eclipse.hawkbit.ui.utils.UIComponentIdProvider;
 import org.eclipse.hawkbit.ui.utils.SPUIDefinitions;
 import org.eclipse.hawkbit.ui.utils.SPUILabelDefinitions;
 import org.eclipse.hawkbit.ui.utils.SpringContextHelper;
+import org.eclipse.hawkbit.ui.utils.UIComponentIdProvider;
 import org.eclipse.hawkbit.ui.utils.UINotification;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.vaadin.addons.lazyquerycontainer.BeanQueryFactory;
@@ -146,11 +146,10 @@ public class ArtifactDetailsLayout extends VerticalLayout {
     }
 
     private void createComponents() {
-        String labelStr = "";
-        if (artifactUploadState.getSelectedBaseSoftwareModule().isPresent()) {
-            final SoftwareModule softwareModule = artifactUploadState.getSelectedBaseSoftwareModule().get();
-            labelStr = HawkbitCommonUtil.getFormattedNameVersion(softwareModule.getName(), softwareModule.getVersion());
-        }
+        final String labelStr = artifactUploadState.getSelectedBaseSoftwareModule()
+                .map(softwareModule -> HawkbitCommonUtil.getFormattedNameVersion(softwareModule.getName(),
+                        softwareModule.getVersion()))
+                .orElse("");
         titleOfArtifactDetails = new LabelBuilder().name(HawkbitCommonUtil.getArtifactoryDetailsLabelId(labelStr))
                 .buildCaptionLabel();
         titleOfArtifactDetails.setContentMode(ContentMode.HTML);

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/common/detailslayout/DistributionSetMetadatadetailslayout.java

@@ -19,13 +19,13 @@ import org.eclipse.hawkbit.ui.components.SPUIComponentProvider;
 import org.eclipse.hawkbit.ui.decorators.SPUIButtonStyleSmallNoBorder;
 import org.eclipse.hawkbit.ui.distributions.dstable.DsMetadataPopupLayout;
 import org.eclipse.hawkbit.ui.utils.I18N;
-import org.eclipse.hawkbit.ui.utils.UIComponentIdProvider;
 import org.eclipse.hawkbit.ui.utils.SPUIStyleDefinitions;
+import org.eclipse.hawkbit.ui.utils.UIComponentIdProvider;
 
 import com.vaadin.data.Item;
 import com.vaadin.data.util.IndexedContainer;
 import com.vaadin.spring.annotation.SpringComponent;
-import com.vaadin.spring.annotation.VaadinSessionScope;
+import com.vaadin.spring.annotation.ViewScope;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Table;
@@ -39,7 +39,7 @@ import com.vaadin.ui.themes.ValoTheme;
  */
 
 @SpringComponent
-@VaadinSessionScope
+@ViewScope
 public class DistributionSetMetadatadetailslayout extends Table {
 
     private static final long serialVersionUID = 2913758299611837718L;

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/common/table/AbstractTable.java

@@ -13,6 +13,7 @@ import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
+import java.util.stream.Collectors;
 
 import javax.annotation.PostConstruct;
 import javax.annotation.PreDestroy;
@@ -112,7 +113,7 @@ public abstract class AbstractTable<E extends NamedEntity, I> extends Table {
         if (values == null) {
             values = Collections.emptySet();
         }
-        return values;
+        return values.stream().filter(item -> item != null).collect(Collectors.toSet());
     }
 
     private void onValueChange() {

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/common/tagdetails/AbstractTagToken.java

@@ -50,6 +50,8 @@ import com.vaadin.ui.themes.ValoTheme;
  */
 public abstract class AbstractTagToken<T extends BaseEntity> implements Serializable {
 
+    private static final String ID_PROPERTY = "id";
+    private static final String NAME_PROPERTY = "name";
     private static final String COLOR_PROPERTY = "color";
 
     private static final long serialVersionUID = 6599386705285184783L;
@@ -120,7 +122,7 @@ public abstract class AbstractTagToken<T extends BaseEntity> implements Serializ
         tokenField.setImmediate(true);
         tokenField.addStyleName(ValoTheme.COMBOBOX_TINY);
         tokenField.setSizeFull();
-        tokenField.setTokenCaptionPropertyId("name");
+        tokenField.setTokenCaptionPropertyId(NAME_PROPERTY);
     }
 
     protected void repopulateToken() {
@@ -130,8 +132,8 @@ public abstract class AbstractTagToken<T extends BaseEntity> implements Serializ
 
     private Container createContainer() {
         container = new IndexedContainer();
-        container.addContainerProperty("name", String.class, "");
-        container.addContainerProperty("id", Long.class, "");
+        container.addContainerProperty(NAME_PROPERTY, String.class, "");
+        container.addContainerProperty(ID_PROPERTY, Long.class, "");
         container.addContainerProperty(COLOR_PROPERTY, String.class, "");
         return container;
     }
@@ -142,7 +144,13 @@ public abstract class AbstractTagToken<T extends BaseEntity> implements Serializ
     }
 
     private void removeTagAssignedFromCombo(final Long tagId) {
-        tokensAdded.put(tagId, new TagData(tagId, getTagName(tagId), getColor(tagId)));
+        // might not yet exist or not anymore due to unprocessed events
+        final Item item = tokenField.getContainerDataSource().getItem(tagId);
+        if (item == null) {
+            return;
+        }
+
+        tokensAdded.put(tagId, new TagData(tagId, getTagName(item), getColor(item)));
         container.removeItem(tagId);
     }
 
@@ -150,13 +158,17 @@ public abstract class AbstractTagToken<T extends BaseEntity> implements Serializ
         final TagData tagData = tagDetails.putIfAbsent(tagId, new TagData(tagId, tagName, tagColor));
         if (tagData == null) {
             final Item item = container.addItem(tagId);
-            item.getItemProperty("id").setValue(tagId);
+            if (item == null) {
+                return;
+            }
+
+            item.getItemProperty(ID_PROPERTY).setValue(tagId);
             updateItem(tagName, tagColor, item);
         }
     }
 
     protected void updateItem(final String tagName, final String tagColor, final Item item) {
-        item.getItemProperty("name").setValue(tagName);
+        item.getItemProperty(NAME_PROPERTY).setValue(tagName);
         item.getItemProperty(COLOR_PROPERTY).setValue(tagColor);
     }
 
@@ -202,7 +214,12 @@ public abstract class AbstractTagToken<T extends BaseEntity> implements Serializ
         }
 
         private void updateTokenStyle(final Object tokenId, final Button button) {
-            final String color = getColor(tokenId);
+            final Item item = tokenField.getContainerDataSource().getItem(tokenId);
+            if (item == null) {
+                return;
+            }
+
+            final String color = getColor(item);
             button.setCaption("<span style=\"color:" + color + " !important;\">" + FontAwesome.CIRCLE.getHtml()
                     + "</span>" + " " + getItemNameProperty(tokenId).getValue().toString().concat(" ×"));
             button.setCaptionAsHtml(true);
@@ -215,20 +232,19 @@ public abstract class AbstractTagToken<T extends BaseEntity> implements Serializ
 
         private void tokenClick(final Object tokenId) {
             final Item item = tokenField.getContainerDataSource().addItem(tokenId);
-            item.getItemProperty("name").setValue(tagDetails.get(tokenId).getName());
+            item.getItemProperty(NAME_PROPERTY).setValue(tagDetails.get(tokenId).getName());
             item.getItemProperty(COLOR_PROPERTY).setValue(tagDetails.get(tokenId).getColor());
             unassignTag(tagDetails.get(tokenId).getName());
         }
 
         private Property getItemNameProperty(final Object tokenId) {
             final Item item = tokenField.getContainerDataSource().getItem(tokenId);
-            return item.getItemProperty("name");
+            return item.getItemProperty(NAME_PROPERTY);
         }
 
     }
 
-    private String getColor(final Object tokenId) {
-        final Item item = tokenField.getContainerDataSource().getItem(tokenId);
+    private static String getColor(final Item item) {
         if (item.getItemProperty(COLOR_PROPERTY).getValue() != null) {
             return (String) item.getItemProperty(COLOR_PROPERTY).getValue();
         } else {
@@ -236,9 +252,8 @@ public abstract class AbstractTagToken<T extends BaseEntity> implements Serializ
         }
     }
 
-    private String getTagName(final Object tokenId) {
-        final Item item = tokenField.getContainerDataSource().getItem(tokenId);
-        return (String) item.getItemProperty("name").getValue();
+    private static String getTagName(final Item item) {
+        return (String) item.getItemProperty(NAME_PROPERTY).getValue();
     }
 
     protected void removePreviouslyAddedTokens() {

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/common/tagdetails/AbstractTargetTagToken.java

@@ -8,15 +8,19 @@
  */
 package org.eclipse.hawkbit.ui.common.tagdetails;
 
+import java.util.List;
+
 import org.eclipse.hawkbit.repository.TagManagement;
-import org.eclipse.hawkbit.repository.eventbus.event.TargetTagCreatedBulkEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.TargetTagDeletedEvent;
+import org.eclipse.hawkbit.repository.eventbus.event.TargetTagUpdateEvent;
 import org.eclipse.hawkbit.repository.model.BaseEntity;
-import org.eclipse.hawkbit.repository.model.TargetTag;
+import org.eclipse.hawkbit.ui.push.TargetTagCreatedEventContainer;
+import org.eclipse.hawkbit.ui.push.TargetTagDeletedEventContainer;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.vaadin.spring.events.EventScope;
 import org.vaadin.spring.events.annotation.EventBusListenerMethod;
 
+import com.vaadin.data.Item;
+
 /**
  * /** Abstract class for target tag token layout.
  * 
@@ -31,16 +35,25 @@ public abstract class AbstractTargetTagToken<T extends BaseEntity> extends Abstr
     protected transient TagManagement tagManagement;
 
     @EventBusListenerMethod(scope = EventScope.SESSION)
-    void onEventTargetTagCreated(final TargetTagCreatedBulkEvent event) {
-        for (final TargetTag tag : event.getEntities()) {
-            setContainerPropertValues(tag.getId(), tag.getName(), tag.getColour());
-        }
+    void onEventTargetTagCreated(final TargetTagCreatedEventContainer container) {
+        container.getEvents().stream().map(event -> event.getEntity())
+                .forEach(tag -> setContainerPropertValues(tag.getId(), tag.getName(), tag.getColour()));
     }
 
     @EventBusListenerMethod(scope = EventScope.SESSION)
-    void onTargetDeletedEvent(final TargetTagDeletedEvent event) {
-        final Long deletedTagId = getTagIdByTagName(event.getEntity().getName());
-        removeTagFromCombo(deletedTagId);
+    void onTargetTagDeletedEvent(final TargetTagDeletedEventContainer container) {
+        container.getEvents().stream().map(event -> getTagIdByTagName(event.getEntity().getName()))
+                .forEach(this::removeTagFromCombo);
+    }
+
+    @EventBusListenerMethod(scope = EventScope.SESSION)
+    void onTargetTagUpdateEvent(final List<TargetTagUpdateEvent> events) {
+        events.stream().map(event -> event.getEntity()).forEach(entity -> {
+            final Item item = container.getItem(entity.getId());
+            if (item != null) {
+                updateItem(entity.getName(), entity.getColour(), item);
+            }
+        });
     }
 
 }

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/common/tagdetails/DistributionTagToken.java

@@ -8,27 +8,26 @@
  */
 package org.eclipse.hawkbit.ui.common.tagdetails;
 
-import java.util.HashSet;
 import java.util.List;
-import java.util.Set;
 import java.util.stream.Collectors;
 
 import org.eclipse.hawkbit.repository.DistributionSetManagement;
 import org.eclipse.hawkbit.repository.TagManagement;
-import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetTagAssigmentResultEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetTagCreatedBulkEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetTagDeletedEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetTagUpdateEvent;
 import org.eclipse.hawkbit.repository.model.DistributionSet;
 import org.eclipse.hawkbit.repository.model.DistributionSetTag;
 import org.eclipse.hawkbit.repository.model.DistributionSetTagAssignmentResult;
 import org.eclipse.hawkbit.ui.management.event.DistributionTableEvent;
 import org.eclipse.hawkbit.ui.management.event.ManagementUIEvent;
+import org.eclipse.hawkbit.ui.push.DistributionSetTagAssignmentResultEventContainer;
+import org.eclipse.hawkbit.ui.push.DistributionSetTagCreatedEventContainer;
+import org.eclipse.hawkbit.ui.push.DistributionSetTagDeletedEventContainer;
+import org.eclipse.hawkbit.ui.push.DistributionSetTagUpdatedEventContainer;
 import org.eclipse.hawkbit.ui.utils.HawkbitCommonUtil;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.vaadin.spring.events.EventScope;
 import org.vaadin.spring.events.annotation.EventBusListenerMethod;
 
+import com.google.common.collect.Sets;
 import com.vaadin.data.Item;
 import com.vaadin.spring.annotation.SpringComponent;
 import com.vaadin.spring.annotation.ViewScope;
@@ -74,10 +73,8 @@ public class DistributionTagToken extends AbstractTagToken<DistributionSet> {
     }
 
     private DistributionSetTagAssignmentResult toggleAssignment(final String tagNameSelected) {
-        final Set<Long> distributionList = new HashSet<>();
-        distributionList.add(selectedEntity.getId());
         final DistributionSetTagAssignmentResult result = distributionSetManagement
-                .toggleTagAssignment(distributionList, tagNameSelected);
+                .toggleTagAssignment(Sets.newHashSet(selectedEntity.getId()), tagNameSelected);
         uinotification.displaySuccess(HawkbitCommonUtil.createAssignmentMessage(tagNameSelected, result, i18n));
         return result;
     }
@@ -120,42 +117,42 @@ public class DistributionTagToken extends AbstractTagToken<DistributionSet> {
     }
 
     @EventBusListenerMethod(scope = EventScope.SESSION)
-    void onDistributionSetTagCreatedBulkEvent(final DistributionSetTagCreatedBulkEvent event) {
-        for (final DistributionSetTag distributionSetTag : event.getEntities()) {
-            setContainerPropertValues(distributionSetTag.getId(), distributionSetTag.getName(),
-                    distributionSetTag.getColour());
-        }
+    void onDistributionSetTagCreatedBulkEvent(final DistributionSetTagCreatedEventContainer eventContainer) {
+        eventContainer.getEvents().stream().map(event -> event.getEntity())
+                .forEach(distributionSetTag -> setContainerPropertValues(distributionSetTag.getId(),
+                        distributionSetTag.getName(), distributionSetTag.getColour()));
     }
 
     @EventBusListenerMethod(scope = EventScope.SESSION)
-    void onDistributionSetTagDeletedEventBulkEvent(final DistributionSetTagDeletedEvent event) {
-        final Long deletedTagId = getTagIdByTagName(event.getEntity().getName());
-        removeTagFromCombo(deletedTagId);
+    void onDistributionSetTagDeletedEvent(final DistributionSetTagDeletedEventContainer eventContainer) {
+        eventContainer.getEvents().stream().map(event -> getTagIdByTagName(event.getEntity().getName()))
+                .forEach(this::removeTagFromCombo);
     }
 
     @EventBusListenerMethod(scope = EventScope.SESSION)
-    void onDistributionSetTagUpdateEvent(final DistributionSetTagUpdateEvent event) {
-        final DistributionSetTag entity = event.getEntity();
-        final Item item = container.getItem(entity.getId());
-        if (item != null) {
-            updateItem(entity.getName(), entity.getColour(), item);
-        }
+    void onDistributionSetTagUpdateEvent(final DistributionSetTagUpdatedEventContainer eventContainer) {
+        eventContainer.getEvents().stream().map(event -> event.getEntity()).forEach(entity -> {
+            final Item item = container.getItem(entity.getId());
+            if (item != null) {
+                updateItem(entity.getName(), entity.getColour(), item);
+            }
+        });
     }
 
     @EventBusListenerMethod(scope = EventScope.SESSION)
-    void onTargetTagAssigmentResultEvent(final DistributionSetTagAssigmentResultEvent event) {
-        final DistributionSetTagAssignmentResult assignmentResult = event.getAssigmentResult();
-        final DistributionSetTag tag = assignmentResult.getDistributionSetTag();
-        if (isAssign(assignmentResult)) {
-            addNewToken(tag.getId());
-        } else if (isUnassign(assignmentResult)) {
-            removeTokenItem(tag.getId(), tag.getName());
-        }
-
+    void onTargetTagAssigmentResultEvent(final DistributionSetTagAssignmentResultEventContainer eventContainer) {
+        eventContainer.getEvents().stream().map(event -> event.getAssigmentResult()).forEach(assignmentResult -> {
+            final DistributionSetTag tag = assignmentResult.getDistributionSetTag();
+            if (isAssign(assignmentResult)) {
+                addNewToken(tag.getId());
+            } else if (isUnassign(assignmentResult)) {
+                removeTokenItem(tag.getId(), tag.getName());
+            }
+        });
     }
 
     protected boolean isAssign(final DistributionSetTagAssignmentResult assignmentResult) {
-        if (assignmentResult.getAssigned() > 0) {
+        if (assignmentResult.getAssigned() > 0 && managementUIState.getLastSelectedDsIdName() != null) {
             final List<Long> assignedDsNames = assignmentResult.getAssignedEntity().stream().map(t -> t.getId())
                     .collect(Collectors.toList());
             if (assignedDsNames.contains(managementUIState.getLastSelectedDsIdName().getId())) {
@@ -166,7 +163,7 @@ public class DistributionTagToken extends AbstractTagToken<DistributionSet> {
     }
 
     protected boolean isUnassign(final DistributionSetTagAssignmentResult assignmentResult) {
-        if (assignmentResult.getUnassigned() > 0) {
+        if (assignmentResult.getUnassigned() > 0 && managementUIState.getLastSelectedDsIdName() != null) {
             final List<Long> assignedDsNames = assignmentResult.getUnassignedEntity().stream().map(t -> t.getId())
                     .collect(Collectors.toList());
             if (assignedDsNames.contains(managementUIState.getLastSelectedDsIdName().getId())) {

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/common/tagdetails/TargetTagToken.java

@@ -9,24 +9,20 @@
 package org.eclipse.hawkbit.ui.common.tagdetails;
 
 import java.util.HashSet;
-import java.util.List;
 import java.util.Set;
-import java.util.stream.Collectors;
 
 import org.eclipse.hawkbit.repository.TargetManagement;
-import org.eclipse.hawkbit.repository.eventbus.event.TargetTagAssigmentResultEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.TargetTagUpdateEvent;
 import org.eclipse.hawkbit.repository.model.Target;
 import org.eclipse.hawkbit.repository.model.TargetTag;
 import org.eclipse.hawkbit.repository.model.TargetTagAssignmentResult;
 import org.eclipse.hawkbit.ui.management.event.ManagementUIEvent;
 import org.eclipse.hawkbit.ui.management.event.TargetTableEvent;
+import org.eclipse.hawkbit.ui.push.TargetTagAssigmentResultEventContainer;
 import org.eclipse.hawkbit.ui.utils.HawkbitCommonUtil;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.vaadin.spring.events.EventScope;
 import org.vaadin.spring.events.annotation.EventBusListenerMethod;
 
-import com.vaadin.data.Item;
 import com.vaadin.spring.annotation.SpringComponent;
 import com.vaadin.spring.annotation.ViewScope;
 
@@ -110,44 +106,32 @@ public class TargetTagToken extends AbstractTargetTagToken<Target> {
     }
 
     @EventBusListenerMethod(scope = EventScope.SESSION)
-    void onTargetTagUpdateEvent(final TargetTagUpdateEvent event) {
-        final TargetTag entity = event.getEntity();
-        final Item item = container.getItem(entity.getId());
-        if (item != null) {
-            updateItem(entity.getName(), entity.getColour(), item);
-        }
-    }
-
-    @EventBusListenerMethod(scope = EventScope.SESSION)
-    void onTargetTagAssigmentResultEvent(final TargetTagAssigmentResultEvent event) {
-        final TargetTagAssignmentResult assignmentResult = event.getAssigmentResult();
-        final TargetTag targetTag = assignmentResult.getTargetTag();
-        if (isAssign(assignmentResult)) {
-            addNewToken(targetTag.getId());
-        } else if (isUnassign(assignmentResult)) {
-            removeTokenItem(targetTag.getId(), targetTag.getName());
-        }
+    void onTargetTagAssigmentResultEvent(final TargetTagAssigmentResultEventContainer holder) {
+        holder.getEvents().stream().map(event -> event.getAssigmentResult()).forEach(assignmentResult -> {
+            final TargetTag targetTag = assignmentResult.getTargetTag();
+            if (isAssign(assignmentResult)) {
+                addNewToken(targetTag.getId());
+            } else if (isUnassign(assignmentResult)) {
+                removeTokenItem(targetTag.getId(), targetTag.getName());
+            }
+        });
 
     }
 
     protected boolean isAssign(final TargetTagAssignmentResult assignmentResult) {
-        if (assignmentResult.getAssigned() > 0) {
-            final List<String> assignedTargetNames = assignmentResult.getAssignedEntity().stream()
-                    .map(t -> t.getControllerId()).collect(Collectors.toList());
-            if (assignedTargetNames.contains(managementUIState.getLastSelectedTargetIdName().getControllerId())) {
-                return true;
-            }
+        if (assignmentResult.getAssigned() > 0 && managementUIState.getLastSelectedTargetIdName() != null) {
+            return assignmentResult.getAssignedEntity().stream().map(t -> t.getControllerId())
+                    .anyMatch(controllerId -> controllerId
+                            .equals(managementUIState.getLastSelectedTargetIdName().getControllerId()));
         }
         return false;
     }
 
     protected boolean isUnassign(final TargetTagAssignmentResult assignmentResult) {
-        if (assignmentResult.getUnassigned() > 0) {
-            final List<String> unassignedTargetNamesList = assignmentResult.getUnassignedEntity().stream()
-                    .map(t -> t.getControllerId()).collect(Collectors.toList());
-            if (unassignedTargetNamesList.contains(managementUIState.getLastSelectedTargetIdName().getControllerId())) {
-                return true;
-            }
+        if (assignmentResult.getUnassigned() > 0 && managementUIState.getLastSelectedTargetIdName() != null) {
+            return assignmentResult.getUnassignedEntity().stream().map(t -> t.getControllerId())
+                    .anyMatch(controllerId -> controllerId
+                            .equals(managementUIState.getLastSelectedTargetIdName().getControllerId()));
         }
         return false;
     }

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/distributions/disttype/CreateUpdateDistSetTypeLayout.java

@@ -26,9 +26,9 @@ import org.eclipse.hawkbit.ui.distributions.event.DistributionSetTypeEvent;
 import org.eclipse.hawkbit.ui.distributions.event.DistributionSetTypeEvent.DistributionSetTypeEnum;
 import org.eclipse.hawkbit.ui.layouts.CreateUpdateTypeLayout;
 import org.eclipse.hawkbit.ui.utils.HawkbitCommonUtil;
-import org.eclipse.hawkbit.ui.utils.UIComponentIdProvider;
 import org.eclipse.hawkbit.ui.utils.SPUIDefinitions;
 import org.eclipse.hawkbit.ui.utils.SPUILabelDefinitions;
+import org.eclipse.hawkbit.ui.utils.UIComponentIdProvider;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.domain.PageRequest;
 import org.vaadin.addons.lazyquerycontainer.BeanQueryFactory;
@@ -405,7 +405,7 @@ public class CreateUpdateDistSetTypeLayout extends CreateUpdateTypeLayout<Distri
             eventBus.publish(this,
                     new DistributionSetTypeEvent(DistributionSetTypeEnum.UPDATE_DIST_SET_TYPE, updateDistSetType));
         } else {
-            uiNotification.displayValidationError(i18n.get("message.tag.update.mandatory"));
+            uiNotification.displayValidationError(i18n.get("message.type.update.mandatory "));
         }
     }
 

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/distributions/dstable/DistributionSetTable.java

@@ -21,7 +21,6 @@ import org.eclipse.hawkbit.repository.DistributionSetManagement;
 import org.eclipse.hawkbit.repository.SoftwareManagement;
 import org.eclipse.hawkbit.repository.SpPermissionChecker;
 import org.eclipse.hawkbit.repository.TargetManagement;
-import org.eclipse.hawkbit.repository.eventbus.event.DistributionCreatedEvent;
 import org.eclipse.hawkbit.repository.eventbus.event.DistributionDeletedEvent;
 import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetUpdateEvent;
 import org.eclipse.hawkbit.repository.model.DistributionSet;
@@ -42,12 +41,15 @@ import org.eclipse.hawkbit.ui.distributions.event.SaveActionWindowEvent;
 import org.eclipse.hawkbit.ui.distributions.state.ManageDistUIState;
 import org.eclipse.hawkbit.ui.management.event.DistributionTableEvent;
 import org.eclipse.hawkbit.ui.management.event.DistributionTableFilterEvent;
+import org.eclipse.hawkbit.ui.push.DistributionCreatedEventContainer;
+import org.eclipse.hawkbit.ui.push.DistributionDeletedEventContainer;
+import org.eclipse.hawkbit.ui.push.DistributionSetUpdatedEventContainer;
 import org.eclipse.hawkbit.ui.utils.HawkbitCommonUtil;
-import org.eclipse.hawkbit.ui.utils.UIComponentIdProvider;
 import org.eclipse.hawkbit.ui.utils.SPUIDefinitions;
 import org.eclipse.hawkbit.ui.utils.SPUILabelDefinitions;
 import org.eclipse.hawkbit.ui.utils.SPUIStyleDefinitions;
 import org.eclipse.hawkbit.ui.utils.TableColumn;
+import org.eclipse.hawkbit.ui.utils.UIComponentIdProvider;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -124,30 +126,56 @@ public class DistributionSetTable extends AbstractNamedVersionTable<Distribution
     }
 
     @EventBusListenerMethod(scope = EventScope.SESSION)
-    void onEvents(final DistributionSetUpdateEvent event) {
-        final DistributionSet ds = event.getEntity();
-        final DistributionSetIdName lastSelectedDsIdName = manageDistUIState.getLastSelectedDistribution().isPresent()
-                ? manageDistUIState.getLastSelectedDistribution().get() : null;
+    void onDistributionSetUpdateEvents(final DistributionSetUpdatedEventContainer eventContainer) {
+
         final List<DistributionSetIdName> visibleItemIds = (List<DistributionSetIdName>) getVisibleItemIds();
 
-        // refresh the details tabs only if selected ds is updated
-        if (lastSelectedDsIdName != null && lastSelectedDsIdName.getId().equals(ds.getId())) {
-            // update table row+details layout
-            eventBus.publish(this, new DistributionTableEvent(BaseEntityEventType.SELECTED_ENTITY, ds));
-        } else if (visibleItemIds.stream().filter(e -> e.getId().equals(ds.getId())).findFirst().isPresent()) {
-            // update the name/version details visible in table
-            UI.getCurrent().access(() -> updateDistributionInTable(event.getEntity()));
-        }
+        handleSelectedAndUpdatedDs(eventContainer.getEvents());
+
+        updateVisableTableEntries(eventContainer.getEvents(), visibleItemIds);
+    }
+
+    private void handleSelectedAndUpdatedDs(final List<DistributionSetUpdateEvent> events) {
+        manageDistUIState.getLastSelectedDistribution()
+                .ifPresent(lastSelectedDsIdName -> events.stream().map(event -> event.getEntity())
+                        .filter(set -> set.getId().equals(lastSelectedDsIdName.getId())).findFirst()
+                        .ifPresent(selectedSetUpdated -> eventBus.publish(this,
+                                new DistributionTableEvent(BaseEntityEventType.SELECTED_ENTITY, selectedSetUpdated))));
+    }
+
+    private void updateVisableTableEntries(final List<DistributionSetUpdateEvent> events,
+            final List<DistributionSetIdName> visibleItemIds) {
+        events.stream().filter(event -> event.getEntity().isComplete())
+                .filter(event -> visibleItemIds.contains(DistributionSetIdName.generate(event.getEntity())))
+                .forEach(event -> updateDistributionInTable(event.getEntity()));
     }
 
     @EventBusListenerMethod(scope = EventScope.SESSION)
-    void onEvents(final List<?> events) {
-        final Object firstEvent = events.get(0);
-        if (DistributionCreatedEvent.class.isInstance(firstEvent)) {
-            refreshDistributions();
-        } else if (DistributionDeletedEvent.class.isInstance(firstEvent)) {
-            onDistributionDeleteEvent((List<DistributionDeletedEvent>) events);
+    void onDistributionCreatedEvents(final DistributionCreatedEventContainer eventContainer) {
+        refreshDistributions();
+    }
+
+    @EventBusListenerMethod(scope = EventScope.SESSION)
+    void onDistributionDeletedEvents(final DistributionDeletedEventContainer eventContainer) {
+        final LazyQueryContainer dsContainer = (LazyQueryContainer) getContainerDataSource();
+        final List<Object> visibleItemIds = (List<Object>) getVisibleItemIds();
+        boolean shouldRefreshDs = false;
+        for (final DistributionDeletedEvent deletedEvent : eventContainer.getEvents()) {
+            final Long distributionSetId = deletedEvent.getDistributionSetId();
+            final DistributionSetIdName targetIdName = new DistributionSetIdName(distributionSetId, null, null);
+            if (visibleItemIds.contains(targetIdName)) {
+                dsContainer.removeItem(targetIdName);
+            } else {
+                shouldRefreshDs = true;
+            }
         }
+
+        if (shouldRefreshDs) {
+            refreshOnDelete();
+        } else {
+            dsContainer.commit();
+        }
+        reSelectItemsAfterDeletionEvent();
     }
 
     @Override
@@ -454,7 +482,7 @@ public class DistributionSetTable extends AbstractNamedVersionTable<Distribution
     @EventBusListenerMethod(scope = EventScope.SESSION)
     void onEvent(final SaveActionWindowEvent event) {
         if (event == SaveActionWindowEvent.DELETED_DISTRIBUTIONS || event == SaveActionWindowEvent.SAVED_ASSIGNMENTS) {
-            UI.getCurrent().access(() -> refreshFilter());
+            UI.getCurrent().access(this::refreshFilter);
         }
     }
 
@@ -469,7 +497,7 @@ public class DistributionSetTable extends AbstractNamedVersionTable<Distribution
         if (event == DistributionTableFilterEvent.FILTER_BY_TEXT
                 || event == DistributionTableFilterEvent.REMOVE_FILTER_BY_TEXT
                 || event == DistributionTableFilterEvent.FILTER_BY_TAG) {
-            UI.getCurrent().access(() -> refreshFilter());
+            UI.getCurrent().access(this::refreshFilter);
         }
     }
 
@@ -566,28 +594,6 @@ public class DistributionSetTable extends AbstractNamedVersionTable<Distribution
         updateEntity(editedDs, item);
     }
 
-    private void onDistributionDeleteEvent(final List<DistributionDeletedEvent> events) {
-        final LazyQueryContainer dsContainer = (LazyQueryContainer) getContainerDataSource();
-        final List<Object> visibleItemIds = (List<Object>) getVisibleItemIds();
-        boolean shouldRefreshDs = false;
-        for (final DistributionDeletedEvent deletedEvent : events) {
-            final Long distributionSetId = deletedEvent.getDistributionSetId();
-            final DistributionSetIdName targetIdName = new DistributionSetIdName(distributionSetId, null, null);
-            if (visibleItemIds.contains(targetIdName)) {
-                dsContainer.removeItem(targetIdName);
-            } else {
-                shouldRefreshDs = true;
-            }
-        }
-
-        if (shouldRefreshDs) {
-            refreshOnDelete();
-        } else {
-            dsContainer.commit();
-        }
-        reSelectItemsAfterDeletionEvent();
-    }
-
     private void refreshOnDelete() {
         final LazyQueryContainer dsContainer = (LazyQueryContainer) getContainerDataSource();
         final int size = dsContainer.size();

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/filtermanagement/footer/TargetFilterCountMessageLabel.java

@@ -15,9 +15,9 @@ import org.eclipse.hawkbit.ui.filtermanagement.event.CustomFilterUIEvent;
 import org.eclipse.hawkbit.ui.filtermanagement.state.FilterManagementUIState;
 import org.eclipse.hawkbit.ui.utils.HawkbitCommonUtil;
 import org.eclipse.hawkbit.ui.utils.I18N;
-import org.eclipse.hawkbit.ui.utils.UIComponentIdProvider;
 import org.eclipse.hawkbit.ui.utils.SPUIDefinitions;
 import org.eclipse.hawkbit.ui.utils.SPUILabelDefinitions;
+import org.eclipse.hawkbit.ui.utils.UIComponentIdProvider;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.vaadin.spring.events.EventBus;
 import org.vaadin.spring.events.EventScope;
@@ -100,13 +100,11 @@ public class TargetFilterCountMessageLabel extends Label {
                 setDescription(null);
             }
             targetMessage.append(totalTargets);
-            targetMessage.append(HawkbitCommonUtil.SP_STRING_SPACE);
-            targetMessage.append(i18n.get("label.filter.shown"));
+
             if (totalTargets > SPUIDefinitions.MAX_TABLE_ENTRIES) {
+                targetMessage.append(HawkbitCommonUtil.SP_STRING_PIPE);
+                targetMessage.append(i18n.get("label.filter.shown"));
                 targetMessage.append(SPUIDefinitions.MAX_TABLE_ENTRIES);
-            } else {
-                targetMessage.append(HawkbitCommonUtil.SP_STRING_SPACE);
-                targetMessage.append(totalTargets);
             }
 
             setCaption(targetMessage.toString());

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/management/dstable/DistributionTable.java

@@ -12,6 +12,7 @@ import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
+import java.util.Optional;
 import java.util.Set;
 import java.util.stream.Collectors;
 
@@ -19,7 +20,6 @@ import org.apache.commons.lang3.StringUtils;
 import org.eclipse.hawkbit.repository.DistributionSetManagement;
 import org.eclipse.hawkbit.repository.SpPermissionChecker;
 import org.eclipse.hawkbit.repository.TargetManagement;
-import org.eclipse.hawkbit.repository.eventbus.event.DistributionCreatedEvent;
 import org.eclipse.hawkbit.repository.eventbus.event.DistributionDeletedEvent;
 import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetUpdateEvent;
 import org.eclipse.hawkbit.repository.model.DistributionSet;
@@ -41,6 +41,9 @@ import org.eclipse.hawkbit.ui.management.event.ManagementViewAcceptCriteria;
 import org.eclipse.hawkbit.ui.management.event.PinUnpinEvent;
 import org.eclipse.hawkbit.ui.management.event.SaveActionWindowEvent;
 import org.eclipse.hawkbit.ui.management.state.ManagementUIState;
+import org.eclipse.hawkbit.ui.push.DistributionCreatedEventContainer;
+import org.eclipse.hawkbit.ui.push.DistributionDeletedEventContainer;
+import org.eclipse.hawkbit.ui.push.DistributionSetUpdatedEventContainer;
 import org.eclipse.hawkbit.ui.utils.HawkbitCommonUtil;
 import org.eclipse.hawkbit.ui.utils.SPUIDefinitions;
 import org.eclipse.hawkbit.ui.utils.SPUILabelDefinitions;
@@ -113,44 +116,95 @@ public class DistributionTable extends AbstractNamedVersionTable<DistributionSet
     }
 
     @EventBusListenerMethod(scope = EventScope.SESSION)
-    void onEvents(final List<?> events) {
-        final Object firstEvent = events.get(0);
-        if (DistributionDeletedEvent.class.isInstance(firstEvent)) {
-            onDistributionDeleteEvent((List<DistributionDeletedEvent>) events);
-        } else if (DistributionCreatedEvent.class.isInstance(firstEvent)
-                && ((DistributionCreatedEvent) firstEvent).getEntity().isComplete()) {
+    void onDistributionCreatedEvents(final DistributionCreatedEventContainer eventContainer) {
+        if (eventContainer.getEvents().stream().anyMatch(event -> event.getEntity().isComplete())) {
             refreshDistributions();
         }
-
     }
 
     @EventBusListenerMethod(scope = EventScope.SESSION)
-    void onEvents(final DistributionSetUpdateEvent event) {
-        final DistributionSet ds = event.getEntity();
+    void onDistributionDeleteEvents(final DistributionDeletedEventContainer eventContainer) {
+        final LazyQueryContainer dsContainer = (LazyQueryContainer) getContainerDataSource();
+        final List<Object> visibleItemIds = (List<Object>) getVisibleItemIds();
+        boolean shouldRefreshDs = false;
+        for (final DistributionDeletedEvent deletedEvent : eventContainer.getEvents()) {
+            final Long distributionSetId = deletedEvent.getDistributionSetId();
+            final DistributionSetIdName targetIdName = new DistributionSetIdName(distributionSetId, null, null);
+            if (visibleItemIds.contains(targetIdName)) {
+                dsContainer.removeItem(targetIdName);
+            } else {
+                shouldRefreshDs = true;
+            }
+        }
+
+        if (shouldRefreshDs) {
+            refreshOnDelete();
+        } else {
+            dsContainer.commit();
+        }
+        reSelectItemsAfterDeletionEvent();
+    }
+
+    @EventBusListenerMethod(scope = EventScope.SESSION)
+    void onDistributionSetUpdateEvents(final DistributionSetUpdatedEventContainer eventContainer) {
 
         final List<DistributionSetIdName> visibleItemIds = (List<DistributionSetIdName>) getVisibleItemIds();
 
-        final Boolean dsVisible = visibleItemIds.stream().filter(e -> e.getId().equals(ds.getId())).findFirst()
-                .isPresent();
+        if (allOfThemAffectCompletedSetsThatAreNotVisible(eventContainer.getEvents(), visibleItemIds)) {
+            refreshDistributions();
+        } else if (!checkAndHandleIfVisibleDsSwitchesFromCompleteToIncomplete(eventContainer.getEvents(),
+                visibleItemIds)) {
+            updateVisableTableEntries(eventContainer.getEvents(), visibleItemIds);
+        }
 
-        if (ds.isComplete() && !dsVisible) {
+        final DistributionSetIdName lastSelectedDsIdName = managementUIState.getLastSelectedDsIdName();
+        // refresh the details tabs only if selected ds is updated
+        if (lastSelectedDsIdName != null) {
+            final Optional<DistributionSet> selectedSetUpdated = eventContainer.getEvents().stream()
+                    .map(event -> event.getEntity()).filter(set -> set.getId().equals(lastSelectedDsIdName.getId()))
+                    .findFirst();
+
+            if (selectedSetUpdated.isPresent()) {
+                // update table row+details layout
+                eventBus.publish(this,
+                        new DistributionTableEvent(BaseEntityEventType.SELECTED_ENTITY, selectedSetUpdated.get()));
+            }
+        }
+    }
+
+    private static boolean allOfThemAffectCompletedSetsThatAreNotVisible(final List<DistributionSetUpdateEvent> events,
+            final List<DistributionSetIdName> visibleItemIds) {
+        return events.stream().map(event -> event.getEntity())
+                .allMatch(set -> set.isComplete() && !visibleItemIds.contains(DistributionSetIdName.generate(set)));
+    }
+
+    private void updateVisableTableEntries(final List<DistributionSetUpdateEvent> events,
+            final List<DistributionSetIdName> visibleItemIds) {
+        events.stream().filter(event -> event.getEntity().isComplete())
+                .filter(event -> visibleItemIds.contains(DistributionSetIdName.generate(event.getEntity())))
+                .forEach(event -> updateDistributionInTable(event.getEntity()));
+    }
+
+    private boolean checkAndHandleIfVisibleDsSwitchesFromCompleteToIncomplete(
+            final List<DistributionSetUpdateEvent> events, final List<DistributionSetIdName> visibleItemIds) {
+        final List<DistributionSet> setsThatAreVisibleButNotCompleteAnymore = events.stream()
+                .map(event -> event.getEntity()).filter(set -> !set.isComplete())
+                .filter(set -> visibleItemIds.contains(DistributionSetIdName.generate(set)))
+                .collect(Collectors.toList());
+
+        if (!setsThatAreVisibleButNotCompleteAnymore.isEmpty()) {
             refreshDistributions();
-        } else if (!ds.isComplete() && dsVisible) {
-            refreshDistributions();
-            if (ds.getId().equals(managementUIState.getLastSelectedDsIdName().getId())) {
+
+            if (setsThatAreVisibleButNotCompleteAnymore.stream()
+                    .anyMatch(set -> set.getId().equals(managementUIState.getLastSelectedDsIdName().getId()))) {
                 managementUIState.setLastSelectedDistribution(null);
                 managementUIState.setLastSelectedEntity(null);
             }
 
-        } else if (dsVisible) {
-            UI.getCurrent().access(() -> updateDistributionInTable(event.getEntity()));
-        }
-        final DistributionSetIdName lastSelectedDsIdName = managementUIState.getLastSelectedDsIdName();
-        // refresh the details tabs only if selected ds is updated
-        if (lastSelectedDsIdName != null && lastSelectedDsIdName.getId().equals(ds.getId())) {
-            // update table row+details layout
-            eventBus.publish(this, new DistributionTableEvent(BaseEntityEventType.SELECTED_ENTITY, ds));
+            return true;
         }
+
+        return false;
     }
 
     /**
@@ -717,28 +771,6 @@ public class DistributionTable extends AbstractNamedVersionTable<DistributionSet
         UI.getCurrent().addWindow(dsMetadataPopupLayout.getWindow(ds, null));
     }
 
-    private void onDistributionDeleteEvent(final List<DistributionDeletedEvent> events) {
-        final LazyQueryContainer dsContainer = (LazyQueryContainer) getContainerDataSource();
-        final List<Object> visibleItemIds = (List<Object>) getVisibleItemIds();
-        boolean shouldRefreshDs = false;
-        for (final DistributionDeletedEvent deletedEvent : events) {
-            final Long distributionSetId = deletedEvent.getDistributionSetId();
-            final DistributionSetIdName targetIdName = new DistributionSetIdName(distributionSetId, null, null);
-            if (visibleItemIds.contains(targetIdName)) {
-                dsContainer.removeItem(targetIdName);
-            } else {
-                shouldRefreshDs = true;
-            }
-        }
-
-        if (shouldRefreshDs) {
-            refreshOnDelete();
-        } else {
-            dsContainer.commit();
-        }
-        reSelectItemsAfterDeletionEvent();
-    }
-
     private void reSelectItemsAfterDeletionEvent() {
         Set<Object> values = new HashSet<>();
         if (isMultiSelect()) {

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/management/dstag/CreateUpdateDistributionTagLayoutWindow.java

@@ -13,13 +13,13 @@ import static org.apache.commons.lang3.StringUtils.isNotEmpty;
 import java.util.List;
 
 import org.eclipse.hawkbit.repository.EntityFactory;
-import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetTagCreatedBulkEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetTagDeletedEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetTagUpdateEvent;
 import org.eclipse.hawkbit.repository.model.DistributionSetTag;
 import org.eclipse.hawkbit.ui.colorpicker.ColorPickerConstants;
 import org.eclipse.hawkbit.ui.colorpicker.ColorPickerHelper;
 import org.eclipse.hawkbit.ui.layouts.AbstractCreateUpdateTagLayout;
+import org.eclipse.hawkbit.ui.push.DistributionSetTagCreatedEventContainer;
+import org.eclipse.hawkbit.ui.push.DistributionSetTagDeletedEventContainer;
+import org.eclipse.hawkbit.ui.push.DistributionSetTagUpdatedEventContainer;
 import org.eclipse.hawkbit.ui.utils.SPUIDefinitions;
 import org.eclipse.hawkbit.ui.utils.SPUILabelDefinitions;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -28,7 +28,6 @@ import org.vaadin.spring.events.annotation.EventBusListenerMethod;
 
 import com.vaadin.spring.annotation.SpringComponent;
 import com.vaadin.spring.annotation.ViewScope;
-import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.UI;
 
 /**
@@ -49,21 +48,21 @@ public class CreateUpdateDistributionTagLayoutWindow extends AbstractCreateUpdat
     @EventBusListenerMethod(scope = EventScope.SESSION)
     // Exception squid:S1172 - event not needed
     @SuppressWarnings({ "squid:S1172" })
-    void onDistributionSetTagCreatedBulkEvent(final DistributionSetTagCreatedBulkEvent event) {
+    void onDistributionSetTagCreatedBulkEvent(final DistributionSetTagCreatedEventContainer eventContainer) {
         populateTagNameCombo();
     }
 
     @EventBusListenerMethod(scope = EventScope.SESSION)
     // Exception squid:S1172 - event not needed
     @SuppressWarnings({ "squid:S1172" })
-    void onDistributionSetTagDeletedEvent(final DistributionSetTagDeletedEvent event) {
+    void onDistributionSetTagDeletedEvent(final DistributionSetTagDeletedEventContainer eventContainer) {
         populateTagNameCombo();
     }
 
     @EventBusListenerMethod(scope = EventScope.SESSION)
     // Exception squid:S1172 - event not needed
     @SuppressWarnings({ "squid:S1172" })
-    void onDistributionSetTagUpdateEvent(final DistributionSetTagUpdateEvent event) {
+    void onDistributionSetTagUpdateEvent(final DistributionSetTagUpdatedEventContainer eventContainer) {
         populateTagNameCombo();
     }
 

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/management/dstag/DistributionTagButtons.java

@@ -11,9 +11,6 @@ package org.eclipse.hawkbit.ui.management.dstag;
 import java.util.Collections;
 
 import org.eclipse.hawkbit.repository.EntityFactory;
-import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetTagCreatedBulkEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetTagDeletedEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetTagUpdateEvent;
 import org.eclipse.hawkbit.repository.model.DistributionSetTag;
 import org.eclipse.hawkbit.ui.common.filterlayout.AbstractFilterButtonClickBehaviour;
 import org.eclipse.hawkbit.ui.common.filterlayout.AbstractFilterButtons;
@@ -21,11 +18,14 @@ import org.eclipse.hawkbit.ui.management.event.DistributionTagDropEvent;
 import org.eclipse.hawkbit.ui.management.event.DragEvent;
 import org.eclipse.hawkbit.ui.management.state.ManagementUIState;
 import org.eclipse.hawkbit.ui.management.tag.TagIdName;
+import org.eclipse.hawkbit.ui.push.DistributionSetTagCreatedEventContainer;
+import org.eclipse.hawkbit.ui.push.DistributionSetTagDeletedEventContainer;
+import org.eclipse.hawkbit.ui.push.DistributionSetTagUpdatedEventContainer;
 import org.eclipse.hawkbit.ui.utils.HawkbitCommonUtil;
-import org.eclipse.hawkbit.ui.utils.UIComponentIdProvider;
 import org.eclipse.hawkbit.ui.utils.SPUIDefinitions;
 import org.eclipse.hawkbit.ui.utils.SPUILabelDefinitions;
 import org.eclipse.hawkbit.ui.utils.SPUIStyleDefinitions;
+import org.eclipse.hawkbit.ui.utils.UIComponentIdProvider;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.vaadin.addons.lazyquerycontainer.BeanQueryFactory;
 import org.vaadin.addons.lazyquerycontainer.LazyQueryContainer;
@@ -66,21 +66,21 @@ public class DistributionTagButtons extends AbstractFilterButtons {
     @EventBusListenerMethod(scope = EventScope.SESSION)
     // Exception squid:S1172 - event not needed
     @SuppressWarnings({ "squid:S1172" })
-    void onDistributionSetTagCreatedBulkEvent(final DistributionSetTagCreatedBulkEvent event) {
+    void onDistributionSetTagCreatedBulkEvent(final DistributionSetTagCreatedEventContainer eventContainer) {
         refreshTagTable();
     }
 
     @EventBusListenerMethod(scope = EventScope.SESSION)
     // Exception squid:S1172 - event not needed
     @SuppressWarnings({ "squid:S1172" })
-    void onDistributionSetTagDeletedEvent(final DistributionSetTagDeletedEvent event) {
+    void onDistributionSetTagDeletedEvent(final DistributionSetTagDeletedEventContainer eventContainer) {
         refreshTagTable();
     }
 
     @EventBusListenerMethod(scope = EventScope.SESSION)
     // Exception squid:S1172 - event not needed
     @SuppressWarnings({ "squid:S1172" })
-    void onDistributionSetTagUpdateEvent(final DistributionSetTagUpdateEvent event) {
+    void onDistributionSetTagUpdateEvent(final DistributionSetTagUpdatedEventContainer eventContainer) {
         refreshTagTable();
     }
 

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/management/footer/CountMessageLabel.java

@@ -14,9 +14,7 @@ import javax.annotation.PostConstruct;
 import javax.annotation.PreDestroy;
 
 import org.eclipse.hawkbit.repository.TargetManagement;
-import org.eclipse.hawkbit.repository.model.TargetFilterQuery;
 import org.eclipse.hawkbit.repository.model.TargetUpdateStatus;
-import org.eclipse.hawkbit.ui.common.DistributionSetIdName;
 import org.eclipse.hawkbit.ui.management.event.ManagementUIEvent;
 import org.eclipse.hawkbit.ui.management.event.PinUnpinEvent;
 import org.eclipse.hawkbit.ui.management.event.TargetTableEvent;
@@ -26,15 +24,15 @@ import org.eclipse.hawkbit.ui.management.state.TargetTableFilters;
 import org.eclipse.hawkbit.ui.management.targettable.TargetTable;
 import org.eclipse.hawkbit.ui.utils.HawkbitCommonUtil;
 import org.eclipse.hawkbit.ui.utils.I18N;
-import org.eclipse.hawkbit.ui.utils.UIComponentIdProvider;
 import org.eclipse.hawkbit.ui.utils.SPUIDefinitions;
 import org.eclipse.hawkbit.ui.utils.SPUILabelDefinitions;
+import org.eclipse.hawkbit.ui.utils.UIComponentIdProvider;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.vaadin.spring.events.EventBus;
 import org.vaadin.spring.events.EventScope;
 import org.vaadin.spring.events.annotation.EventBusListenerMethod;
 
-import com.google.common.base.Strings;
+import com.google.common.base.Optional;
 import com.vaadin.server.FontAwesome;
 import com.vaadin.shared.ui.label.ContentMode;
 import com.vaadin.spring.annotation.SpringComponent;
@@ -131,17 +129,17 @@ public class CountMessageLabel extends Label {
 
     private void displayTargetCountStatus() {
         final TargetTableFilters targFilParams = managementUIState.getTargetTableFilters();
-        final StringBuilder message = getTotalTargetMessage(targFilParams);
-        final String filteredTargets = i18n.get("label.filter.targets");
+        final StringBuilder message = getTotalTargetMessage();
 
         if (targFilParams.hasFilter()) {
-            message.append(filteredTargets);
+            message.append(HawkbitCommonUtil.SP_STRING_PIPE);
+            message.append(i18n.get("label.filter.targets"));
             if (managementUIState.getTargetsTruncated() != null) {
                 message.append(targetTable.size() + managementUIState.getTargetsTruncated());
             } else {
                 message.append(targetTable.size());
             }
-            message.append(HawkbitCommonUtil.SP_STRING_SPACE);
+            message.append(HawkbitCommonUtil.SP_STRING_PIPE);
             final String status = i18n.get("label.filter.status");
             final String tags = i18n.get("label.filter.tags");
             final String text = i18n.get("label.filter.text");
@@ -152,13 +150,12 @@ public class CountMessageLabel extends Label {
             filterMesgBuf.append(getStatusMsg(targFilParams.getClickedStatusTargetTags(), status));
             filterMesgBuf
                     .append(getTagsMsg(targFilParams.isNoTagSelected(), targFilParams.getClickedTargetTags(), tags));
-            filterMesgBuf.append(getSerachMsg(
-                    targFilParams.getSearchText().isPresent() ? targFilParams.getSearchText().get() : null, text));
-            filterMesgBuf.append(getDistMsg(
-                    targFilParams.getDistributionSet().isPresent() ? targFilParams.getDistributionSet().get() : null,
-                    dists));
-            filterMesgBuf.append(getCustomFilterMsg(targFilParams.getTargetFilterQuery().isPresent()
-                    ? targFilParams.getTargetFilterQuery().get() : null, custom));
+            filterMesgBuf.append(
+                    targFilParams.getSearchText().map(search -> text).orElse(HawkbitCommonUtil.SP_STRING_SPACE));
+            filterMesgBuf.append(
+                    targFilParams.getDistributionSet().map(set -> dists).orElse(HawkbitCommonUtil.SP_STRING_SPACE));
+            filterMesgBuf.append(targFilParams.getTargetFilterQuery().map(query -> custom)
+                    .orElse(HawkbitCommonUtil.SP_STRING_SPACE));
             final String filterMesageChk = filterMesgBuf.toString().trim();
             String filterMesage = filterMesageChk;
             if (filterMesage.endsWith(",")) {
@@ -166,17 +163,23 @@ public class CountMessageLabel extends Label {
             }
             message.append(filterMesage);
         }
+
+        if ((targetTable.size() + Optional.fromNullable(managementUIState.getTargetsTruncated())
+                .or(0L)) > SPUIDefinitions.MAX_TABLE_ENTRIES) {
+            message.append(HawkbitCommonUtil.SP_STRING_PIPE);
+            message.append(i18n.get("label.filter.shown"));
+            message.append(SPUIDefinitions.MAX_TABLE_ENTRIES);
+        }
+
         setCaption(message.toString());
     }
 
-    private StringBuilder getTotalTargetMessage(final TargetTableFilters targFilParams) {
-        long totalTargetTableEnteries = targetTable.size();
+    private StringBuilder getTotalTargetMessage() {
         if (managementUIState.getTargetsTruncated() != null) {
             // set the icon
             setIcon(FontAwesome.INFO_CIRCLE);
             setDescription(i18n.get("label.target.filter.truncated", managementUIState.getTargetsTruncated(),
                     SPUIDefinitions.MAX_TABLE_ENTRIES));
-            totalTargetTableEnteries += managementUIState.getTargetsTruncated();
         } else {
             setIcon(null);
             setDescription(null);
@@ -184,20 +187,7 @@ public class CountMessageLabel extends Label {
 
         final StringBuilder message = new StringBuilder(i18n.get("label.target.filter.count"));
         message.append(managementUIState.getTargetsCountAll());
-        message.append(HawkbitCommonUtil.SP_STRING_SPACE);
-        if (totalTargetTableEnteries > SPUIDefinitions.MAX_TABLE_ENTRIES) {
-            message.append(i18n.get("label.filter.shown"));
-            message.append(SPUIDefinitions.MAX_TABLE_ENTRIES);
-        } else {
-            if (!targFilParams.hasFilter()) {
-                message.append(i18n.get("label.filter.shown"));
-                message.append(targetTable.size());
-            }
 
-            message.append(HawkbitCommonUtil.SP_STRING_SPACE);
-        }
-
-        message.append(HawkbitCommonUtil.SP_STRING_SPACE);
         return message;
     }
 
@@ -242,37 +232,4 @@ public class CountMessageLabel extends Label {
         return tags.isEmpty() && (noTargetTagSelected == null || !noTargetTagSelected.booleanValue())
                 ? HawkbitCommonUtil.SP_STRING_SPACE : param;
     }
-
-    /**
-     * Get Search Text Message.
-     *
-     * @param searchTxt
-     *            as search text
-     * @return String as msg.
-     */
-    private static String getSerachMsg(final String searchTxt, final String param) {
-        return Strings.isNullOrEmpty(searchTxt) ? HawkbitCommonUtil.SP_STRING_SPACE : param;
-    }
-
-    /**
-     * Get Dist set Message.
-     *
-     * @param distId
-     *            as serach
-     * @return String as msg.
-     */
-    private static String getDistMsg(final DistributionSetIdName distributionSetIdName, final String param) {
-        return distributionSetIdName != null ? param : HawkbitCommonUtil.SP_STRING_SPACE;
-    }
-
-    /**
-     * Get the custom target filter message.
-     *
-     * @param targetFilterQuery
-     * @param param
-     * @return
-     */
-    private static String getCustomFilterMsg(final TargetFilterQuery targetFilterQuery, final String param) {
-        return targetFilterQuery != null ? param : HawkbitCommonUtil.SP_STRING_SPACE;
-    }
 }

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/management/targettable/TargetAddUpdateWindowLayout.java

@@ -25,16 +25,17 @@ import org.eclipse.hawkbit.ui.management.event.DragEvent;
 import org.eclipse.hawkbit.ui.management.event.TargetTableEvent;
 import org.eclipse.hawkbit.ui.utils.HawkbitCommonUtil;
 import org.eclipse.hawkbit.ui.utils.I18N;
-import org.eclipse.hawkbit.ui.utils.UIComponentIdProvider;
 import org.eclipse.hawkbit.ui.utils.SPUIDefinitions;
 import org.eclipse.hawkbit.ui.utils.SPUIStyleDefinitions;
 import org.eclipse.hawkbit.ui.utils.SpringContextHelper;
+import org.eclipse.hawkbit.ui.utils.UIComponentIdProvider;
 import org.eclipse.hawkbit.ui.utils.UINotification;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.vaadin.spring.events.EventBus;
 
 import com.vaadin.spring.annotation.SpringComponent;
 import com.vaadin.spring.annotation.VaadinSessionScope;
+import com.vaadin.spring.annotation.ViewScope;
 import com.vaadin.ui.CustomComponent;
 import com.vaadin.ui.FormLayout;
 import com.vaadin.ui.TextArea;
@@ -45,7 +46,7 @@ import com.vaadin.ui.Window;
  * Add and Update Target.
  */
 @SpringComponent
-@VaadinSessionScope
+@ViewScope
 public class TargetAddUpdateWindowLayout extends CustomComponent {
 
     private static final long serialVersionUID = -6659290471705262389L;

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/management/targettable/TargetBeanQuery.java

@@ -19,6 +19,7 @@ import java.util.Collection;
 import java.util.List;
 import java.util.Map;
 
+import org.apache.commons.collections4.CollectionUtils;
 import org.eclipse.hawkbit.repository.OffsetBasedPageRequest;
 import org.eclipse.hawkbit.repository.TargetManagement;
 import org.eclipse.hawkbit.repository.model.DistributionSet;
@@ -50,14 +51,14 @@ public class TargetBeanQuery extends AbstractBeanQuery<ProxyTarget> {
     private static final long serialVersionUID = -5645680058303167558L;
 
     private Sort sort = new Sort(TARGET_TABLE_CREATE_AT_SORT_ORDER, "createdAt");
-    private transient Collection<TargetUpdateStatus> status = null;
-    private String[] targetTags = null;
-    private Long distributionId = null;
-    private String searchText = null;
-    private Boolean noTagClicked = Boolean.FALSE;
+    private transient Collection<TargetUpdateStatus> status;
+    private String[] targetTags;
+    private Long distributionId;
+    private String searchText;
+    private Boolean noTagClicked;
     private transient TargetManagement targetManagement;
     private transient I18N i18N;
-    private Long pinnedDistId = null;
+    private Long pinnedDistId;
     private TargetFilterQuery targetFilterQuery;
     private ManagementUIState managementUIState;
 
@@ -176,7 +177,8 @@ public class TargetBeanQuery extends AbstractBeanQuery<ProxyTarget> {
     }
 
     private Boolean anyFilterSelected() {
-        if (status == null && distributionId == null && Strings.isNullOrEmpty(searchText) && !isTagSelected()) {
+        if (CollectionUtils.isEmpty(status) && distributionId == null && Strings.isNullOrEmpty(searchText)
+                && !isTagSelected()) {
             return false;
         }
         return true;

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/management/targettable/TargetTable.java

@@ -22,16 +22,15 @@ import java.util.Collection;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
-import java.util.Optional;
 import java.util.Set;
 import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
+import org.apache.commons.collections4.CollectionUtils;
 import org.eclipse.hawkbit.repository.SpPermissionChecker;
 import org.eclipse.hawkbit.repository.TargetManagement;
-import org.eclipse.hawkbit.repository.eventbus.event.TargetCreatedEvent;
 import org.eclipse.hawkbit.repository.eventbus.event.TargetDeletedEvent;
 import org.eclipse.hawkbit.repository.eventbus.event.TargetInfoUpdateEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.TargetUpdatedEvent;
 import org.eclipse.hawkbit.repository.model.NamedEntity;
 import org.eclipse.hawkbit.repository.model.Target;
 import org.eclipse.hawkbit.repository.model.TargetIdName;
@@ -54,14 +53,19 @@ import org.eclipse.hawkbit.ui.management.event.TargetTableEvent;
 import org.eclipse.hawkbit.ui.management.event.TargetTableEvent.TargetComponentEvent;
 import org.eclipse.hawkbit.ui.management.state.ManagementUIState;
 import org.eclipse.hawkbit.ui.management.state.TargetTableFilters;
+import org.eclipse.hawkbit.ui.push.CancelTargetAssignmentEventContainer;
+import org.eclipse.hawkbit.ui.push.TargetCreatedEventContainer;
+import org.eclipse.hawkbit.ui.push.TargetDeletedEventContainer;
+import org.eclipse.hawkbit.ui.push.TargetInfoUpdateEventContainer;
+import org.eclipse.hawkbit.ui.push.TargetUpdatedEventContainer;
 import org.eclipse.hawkbit.ui.utils.AssignInstalledDSTooltipGenerator;
 import org.eclipse.hawkbit.ui.utils.HawkbitCommonUtil;
 import org.eclipse.hawkbit.ui.utils.SPDateTimeUtil;
-import org.eclipse.hawkbit.ui.utils.UIComponentIdProvider;
 import org.eclipse.hawkbit.ui.utils.SPUIDefinitions;
 import org.eclipse.hawkbit.ui.utils.SPUILabelDefinitions;
 import org.eclipse.hawkbit.ui.utils.SPUIStyleDefinitions;
 import org.eclipse.hawkbit.ui.utils.TableColumn;
+import org.eclipse.hawkbit.ui.utils.UIComponentIdProvider;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -73,6 +77,7 @@ import org.vaadin.spring.events.annotation.EventBusListenerMethod;
 
 import com.google.common.base.Strings;
 import com.google.common.collect.Maps;
+import com.google.common.collect.Sets;
 import com.vaadin.data.Container;
 import com.vaadin.data.Item;
 import com.vaadin.event.dd.DragAndDropEvent;
@@ -122,28 +127,86 @@ public class TargetTable extends AbstractTable<Target, TargetIdName> {
         setItemDescriptionGenerator(new AssignInstalledDSTooltipGenerator());
     }
 
-    /**
-     * EventListener method which is called when a list of events is published.
-     * Event types should not be mixed up.
-     *
-     * @param events
-     *            list of events
-     */
     @EventBusListenerMethod(scope = EventScope.SESSION)
-    public void onEvents(final List<?> events) {
-        final Object firstEvent = events.get(0);
-        if (TargetCreatedEvent.class.isInstance(firstEvent)) {
-            onTargetCreatedEvents();
-        } else if (TargetInfoUpdateEvent.class.isInstance(firstEvent)) {
-            onTargetUpdateEvents(((List<TargetInfoUpdateEvent>) events).stream()
-                    .map(targetInfoUpdateEvent -> targetInfoUpdateEvent.getEntity().getTarget())
-                    .collect(Collectors.toList()));
-        } else if (TargetDeletedEvent.class.isInstance(firstEvent)) {
-            onTargetDeletedEvent((List<TargetDeletedEvent>) events);
-        } else if (TargetUpdatedEvent.class.isInstance(firstEvent)) {
-            onTargetUpdateEvents(((List<TargetUpdatedEvent>) events).stream()
-                    .map(targetInfoUpdateEvent -> targetInfoUpdateEvent.getEntity()).collect(Collectors.toList()));
+    void onTargetDeletedEvents(final TargetDeletedEventContainer eventContainer) {
+        final LazyQueryContainer targetContainer = (LazyQueryContainer) getContainerDataSource();
+        final List<Object> visibleItemIds = (List<Object>) getVisibleItemIds();
+        boolean shouldRefreshTargets = false;
+        for (final TargetDeletedEvent deletedEvent : eventContainer.getEvents()) {
+            final TargetIdName targetIdName = new TargetIdName(deletedEvent.getTargetId(), null, null);
+            if (visibleItemIds.contains(targetIdName)) {
+                targetContainer.removeItem(targetIdName);
+            } else {
+                shouldRefreshTargets = true;
+                break;
+            }
         }
+        if (shouldRefreshTargets) {
+            refreshOnDelete();
+        } else {
+            targetContainer.commit();
+            eventBus.publish(this, new TargetTableEvent(TargetComponentEvent.REFRESH_TARGETS));
+        }
+        reSelectItemsAfterDeletionEvent();
+    }
+
+    @EventBusListenerMethod(scope = EventScope.SESSION)
+    void onCancelTargetAssignmentEvents(final CancelTargetAssignmentEventContainer eventContainer) {
+        // workaround until push is available for action
+        // history, re-select
+        // the updated target so the action history gets
+        // refreshed.
+        reselectTargetIfSelectedInStream(eventContainer.getEvents().stream().map(event -> event.getTarget()));
+    }
+
+    @EventBusListenerMethod(scope = EventScope.SESSION)
+    void onTargetUpdatedEvents(final TargetUpdatedEventContainer eventContainer) {
+        onTargetUpdateEvents(eventContainer.getEvents().stream()
+                .map(targetInfoUpdateEvent -> targetInfoUpdateEvent.getEntity()).collect(Collectors.toList()));
+    }
+
+    @EventBusListenerMethod(scope = EventScope.SESSION)
+    void onTargetInfoUpdateEvents(final TargetInfoUpdateEventContainer eventContainer) {
+        onTargetUpdateEvents(eventContainer.getEvents().stream()
+                .map(targetInfoUpdateEvent -> targetInfoUpdateEvent.getEntity().getTarget())
+                .collect(Collectors.toList()));
+    }
+
+    /**
+     * EventListener method which is called by the event bus to notify about a
+     * list of {@link TargetInfoUpdateEvent}.
+     *
+     * @param updatedTargets
+     *            list of updated targets
+     */
+    private void onTargetUpdateEvents(final List<Target> updatedTargets) {
+        final LazyQueryContainer targetContainer = (LazyQueryContainer) getContainerDataSource();
+        @SuppressWarnings("unchecked")
+        final List<Object> visibleItemIds = (List<Object>) getVisibleItemIds();
+
+        if (isFilterEnabled()) {
+            refreshTargets();
+        } else {
+            updatedTargets.stream().filter(target -> visibleItemIds.contains(target.getTargetIdName()))
+                    .forEach(target -> updateVisibleItemOnEvent(target.getTargetInfo()));
+            targetContainer.commit();
+        }
+
+        // workaround until push is available for action
+        // history, re-select
+        // the updated target so the action history gets
+        // refreshed.
+        reselectTargetIfSelectedInStream(updatedTargets.stream());
+    }
+
+    private void reselectTargetIfSelectedInStream(final Stream<Target> targets) {
+        targets.filter(target -> isLastSelectedTarget(target.getTargetIdName())).findAny().ifPresent(
+                target -> eventBus.publish(this, new TargetTableEvent(BaseEntityEventType.SELECTED_ENTITY, target)));
+    }
+
+    @EventBusListenerMethod(scope = EventScope.SESSION)
+    void onTargetCreatedEvents(final TargetCreatedEventContainer holder) {
+        refreshTargets();
     }
 
     @EventBusListenerMethod(scope = EventScope.SESSION)
@@ -299,31 +362,12 @@ public class TargetTable extends AbstractTable<Target, TargetIdName> {
         return managementViewAcceptCriteria;
     }
 
-    private void onTargetDeletedEvent(final List<TargetDeletedEvent> events) {
-        final LazyQueryContainer targetContainer = (LazyQueryContainer) getContainerDataSource();
-        final List<Object> visibleItemIds = (List<Object>) getVisibleItemIds();
-        boolean shouldRefreshTargets = false;
-        for (final TargetDeletedEvent deletedEvent : events) {
-            final TargetIdName targetIdName = new TargetIdName(deletedEvent.getTargetId(), null, null);
-            if (visibleItemIds.contains(targetIdName)) {
-                targetContainer.removeItem(targetIdName);
-            } else {
-                shouldRefreshTargets = true;
-            }
-        }
-        if (shouldRefreshTargets) {
-            refreshOnDelete();
-        } else {
-            targetContainer.commit();
-        }
-        reSelectItemsAfterDeletionEvent();
-    }
-
     private void reSelectItemsAfterDeletionEvent() {
-        Set<Object> values = new HashSet<>();
+        Set<Object> values;
         if (isMultiSelect()) {
             values = new HashSet<>((Set<?>) getValue());
         } else {
+            values = Sets.newHashSetWithExpectedSize(1);
             values.add(getValue());
         }
         unSelectAll();
@@ -762,41 +806,6 @@ public class TargetTable extends AbstractTable<Target, TargetIdName> {
                 && managementUIState.getLastSelectedTargetIdName().equals(targetIdName);
     }
 
-    /**
-     * EventListener method which is called by the event bus to notify about a
-     * list of {@link TargetInfoUpdateEvent}.
-     *
-     * @param updatedTargets
-     *            list of updated targets
-     */
-    private void onTargetUpdateEvents(final List<Target> updatedTargets) {
-        @SuppressWarnings("unchecked")
-        final List<Object> visibleItemIds = (List<Object>) getVisibleItemIds();
-
-        if (isFilterEnabled()) {
-            LOG.debug("Filter enabled on UI {}. Refresh targets from database.", getUI().getUIId());
-            refreshTargets();
-        } else {
-            updatedTargets.stream().filter(target -> visibleItemIds.contains(target.getTargetIdName()))
-                    .forEach(target -> updateVisibleItemOnEvent(target.getTargetInfo()));
-        }
-
-        // workaround until push is available for action
-        // history, re-select
-        // the updated target so the action history gets
-        // refreshed.
-        final Optional<Target> selected = updatedTargets.stream()
-                .filter(target -> isLastSelectedTarget(target.getTargetIdName())).findAny();
-        if (selected.isPresent()) {
-            LOG.debug("Selected element has changed on UI {}. Reselect to update action history.", getUI().getUIId());
-            eventBus.publish(this, new TargetTableEvent(BaseEntityEventType.SELECTED_ENTITY, selected.get()));
-        }
-    }
-
-    private void onTargetCreatedEvents() {
-        refreshTargets();
-    }
-
     private boolean isFilterEnabled() {
         final TargetTableFilters targetTableFilters = managementUIState.getTargetTableFilters();
         return targetTableFilters.getSearchText().isPresent() || !targetTableFilters.getClickedTargetTags().isEmpty()
@@ -871,7 +880,7 @@ public class TargetTable extends AbstractTable<Target, TargetIdName> {
         if (managementUIState.getTargetTableFilters().getTargetFilterQuery().isPresent()) {
             size = targetManagement.countTargetByTargetFilterQuery(
                     managementUIState.getTargetTableFilters().getTargetFilterQuery().get());
-        } else if (!anyFilterSelected(status, pinnedDistId, noTagClicked, targetTags, searchText)) {
+        } else if (noFilterSelected(status, pinnedDistId, noTagClicked, targetTags, searchText)) {
             size = totalTargetsCount;
         } else {
             size = targetManagement.countTargetByFilters(status, searchText, distributionId, noTagClicked, targetTags);
@@ -884,9 +893,9 @@ public class TargetTable extends AbstractTable<Target, TargetIdName> {
                 && !Strings.isNullOrEmpty(managementUIState.getTargetTableFilters().getSearchText().get());
     }
 
-    private static Boolean anyFilterSelected(final Collection<TargetUpdateStatus> status, final Long distributionId,
+    private static boolean noFilterSelected(final Collection<TargetUpdateStatus> status, final Long distributionId,
             final Boolean noTagClicked, final String[] targetTags, final String searchText) {
-        return status == null && distributionId == null && Strings.isNullOrEmpty(searchText)
+        return CollectionUtils.isEmpty(status) && distributionId == null && Strings.isNullOrEmpty(searchText)
                 && !isTagSelected(targetTags, noTagClicked);
     }
 

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/management/targettag/CreateUpdateTargetTagLayoutWindow.java

@@ -13,13 +13,13 @@ import static org.apache.commons.lang3.StringUtils.isNotEmpty;
 import java.util.List;
 
 import org.eclipse.hawkbit.repository.EntityFactory;
-import org.eclipse.hawkbit.repository.eventbus.event.TargetTagCreatedBulkEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.TargetTagDeletedEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.TargetTagUpdateEvent;
 import org.eclipse.hawkbit.repository.model.TargetTag;
 import org.eclipse.hawkbit.ui.colorpicker.ColorPickerConstants;
 import org.eclipse.hawkbit.ui.colorpicker.ColorPickerHelper;
 import org.eclipse.hawkbit.ui.layouts.AbstractCreateUpdateTagLayout;
+import org.eclipse.hawkbit.ui.push.TargetTagCreatedEventContainer;
+import org.eclipse.hawkbit.ui.push.TargetTagDeletedEventContainer;
+import org.eclipse.hawkbit.ui.push.TargetTagUpdatedEventContainer;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.vaadin.spring.events.EventScope;
 import org.vaadin.spring.events.annotation.EventBusListenerMethod;
@@ -43,21 +43,21 @@ public class CreateUpdateTargetTagLayoutWindow extends AbstractCreateUpdateTagLa
     @EventBusListenerMethod(scope = EventScope.SESSION)
     // Exception squid:S1172 - event not needed
     @SuppressWarnings({ "squid:S1172" })
-    void onEventTargetTagCreated(final TargetTagCreatedBulkEvent event) {
+    void onEventTargetTagCreated(final TargetTagCreatedEventContainer eventContainer) {
         populateTagNameCombo();
     }
 
     @EventBusListenerMethod(scope = EventScope.SESSION)
     // Exception squid:S1172 - event not needed
     @SuppressWarnings({ "squid:S1172" })
-    void onEventTargetDeletedEvent(final TargetTagDeletedEvent event) {
+    void onEventTargetDeletedEvent(final TargetTagDeletedEventContainer eventContainer) {
         populateTagNameCombo();
     }
 
     @EventBusListenerMethod(scope = EventScope.SESSION)
     // Exception squid:S1172 - event not needed
     @SuppressWarnings({ "squid:S1172" })
-    void onEventTargetTagUpdateEvent(final TargetTagUpdateEvent event) {
+    void onEventTargetTagUpdateEvent(final TargetTagUpdatedEventContainer eventContainer) {
         populateTagNameCombo();
     }
 

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/management/targettag/FilterByStatusLayout.java

@@ -28,7 +28,7 @@ import org.vaadin.spring.events.annotation.EventBusListenerMethod;
 
 import com.vaadin.server.FontAwesome;
 import com.vaadin.spring.annotation.SpringComponent;
-import com.vaadin.spring.annotation.VaadinSessionScope;
+import com.vaadin.spring.annotation.ViewScope;
 import com.vaadin.ui.Alignment;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
@@ -41,7 +41,7 @@ import com.vaadin.ui.VerticalLayout;
  *
  */
 @SpringComponent
-@VaadinSessionScope
+@ViewScope
 public class FilterByStatusLayout extends VerticalLayout implements Button.ClickListener {
     private static final long serialVersionUID = -6930348859189929850L;
 

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/management/targettag/TargetTagFilterButtons.java

@@ -15,9 +15,6 @@ import java.util.stream.Collectors;
 import org.eclipse.hawkbit.repository.EntityFactory;
 import org.eclipse.hawkbit.repository.SpPermissionChecker;
 import org.eclipse.hawkbit.repository.TargetManagement;
-import org.eclipse.hawkbit.repository.eventbus.event.TargetTagCreatedBulkEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.TargetTagDeletedEvent;
-import org.eclipse.hawkbit.repository.eventbus.event.TargetTagUpdateEvent;
 import org.eclipse.hawkbit.repository.model.TargetIdName;
 import org.eclipse.hawkbit.repository.model.TargetTag;
 import org.eclipse.hawkbit.repository.model.TargetTagAssignmentResult;
@@ -28,11 +25,14 @@ import org.eclipse.hawkbit.ui.management.event.ManagementUIEvent;
 import org.eclipse.hawkbit.ui.management.event.ManagementViewAcceptCriteria;
 import org.eclipse.hawkbit.ui.management.state.ManagementUIState;
 import org.eclipse.hawkbit.ui.management.tag.TagIdName;
+import org.eclipse.hawkbit.ui.push.TargetTagCreatedEventContainer;
+import org.eclipse.hawkbit.ui.push.TargetTagDeletedEventContainer;
+import org.eclipse.hawkbit.ui.push.TargetTagUpdatedEventContainer;
 import org.eclipse.hawkbit.ui.utils.HawkbitCommonUtil;
 import org.eclipse.hawkbit.ui.utils.I18N;
-import org.eclipse.hawkbit.ui.utils.UIComponentIdProvider;
 import org.eclipse.hawkbit.ui.utils.SPUIDefinitions;
 import org.eclipse.hawkbit.ui.utils.SPUILabelDefinitions;
+import org.eclipse.hawkbit.ui.utils.UIComponentIdProvider;
 import org.eclipse.hawkbit.ui.utils.UINotification;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.vaadin.addons.lazyquerycontainer.BeanQueryFactory;
@@ -286,21 +286,21 @@ public class TargetTagFilterButtons extends AbstractFilterButtons {
     @EventBusListenerMethod(scope = EventScope.SESSION)
     // Exception squid:S1172 - event not needed
     @SuppressWarnings({ "squid:S1172" })
-    void onEvent(final TargetTagUpdateEvent event) {
+    void onEvent(final TargetTagUpdatedEventContainer eventContainer) {
         refreshContainer();
     }
 
     @EventBusListenerMethod(scope = EventScope.SESSION)
     // Exception squid:S1172 - event not needed
     @SuppressWarnings({ "squid:S1172" })
-    void onEventTargetTagCreated(final TargetTagCreatedBulkEvent event) {
+    void onEventTargetTagCreated(final TargetTagCreatedEventContainer eventContainer) {
         refreshContainer();
     }
 
     @EventBusListenerMethod(scope = EventScope.SESSION)
     // Exception squid:S1172 - event not needed
     @SuppressWarnings({ "squid:S1172" })
-    void onEventTargetDeletedEvent(final TargetTagDeletedEvent event) {
+    void onEventTargetDeletedEvent(final TargetTagDeletedEventContainer eventContainer) {
         refreshContainer();
     }
 

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/push/CancelTargetAssignmentEventContainer.java

@@ -0,0 +1,31 @@
+/**
+ * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.eclipse.hawkbit.ui.push;
+
+import java.util.List;
+
+import org.eclipse.hawkbit.repository.eventbus.event.CancelTargetAssignmentEvent;
+
+/**
+ * EventHolder for {@link CancelTargetAssignmentEvent}s.
+ *
+ */
+public class CancelTargetAssignmentEventContainer implements EventContainer<CancelTargetAssignmentEvent> {
+    private final List<CancelTargetAssignmentEvent> events;
+
+    CancelTargetAssignmentEventContainer(final List<CancelTargetAssignmentEvent> events) {
+        this.events = events;
+    }
+
+    @Override
+    public List<CancelTargetAssignmentEvent> getEvents() {
+        return events;
+    }
+
+}

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/push/DelayedEventBusPushStrategy.java

@@ -8,9 +8,9 @@
  */
 package org.eclipse.hawkbit.ui.push;
 
+import java.lang.reflect.Constructor;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Set;
 import java.util.concurrent.BlockingDeque;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.LinkedBlockingDeque;
@@ -22,7 +22,6 @@ import java.util.stream.Collectors;
 import org.eclipse.hawkbit.eventbus.event.EntityEvent;
 import org.eclipse.hawkbit.eventbus.event.Event;
 import org.eclipse.hawkbit.im.authentication.TenantAwareAuthenticationDetails;
-import org.eclipse.hawkbit.ui.UIEventProvider;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.security.core.context.SecurityContext;
@@ -113,8 +112,7 @@ public class DelayedEventBusPushStrategy implements EventPushStrategy {
     }
 
     private boolean isEventProvided(final Event event) {
-        return eventProvider.getSingleEvents().contains(event.getClass())
-                || eventProvider.getBulkEvents().contains(event.getClass());
+        return eventProvider.getEvents().containsKey(event.getClass());
     }
 
     @Override
@@ -125,8 +123,8 @@ public class DelayedEventBusPushStrategy implements EventPushStrategy {
             LOG.error("Vaadin session of UI {} is null! Event push disabled!", uiid);
         }
 
-        jobHandle = executorService.scheduleWithFixedDelay(new DispatchRunnable(vaadinUI, vaadinUI.getSession()), 500,
-                2000, TimeUnit.MILLISECONDS);
+        jobHandle = executorService.scheduleWithFixedDelay(new DispatchRunnable(vaadinUI, vaadinUI.getSession()),
+                10_000, 1_000, TimeUnit.MILLISECONDS);
         systemEventBus.register(this);
     }
 
@@ -212,13 +210,13 @@ public class DelayedEventBusPushStrategy implements EventPushStrategy {
             try {
                 SecurityContextHolder.setContext(userContext);
 
+                final List<EventContainer<Event>> groupedEvents = groupEvents(events, userContext, eventProvider);
                 vaadinUI.access(() -> {
                     if (vaadinSession.getState() != State.OPEN) {
                         return;
                     }
                     LOG.debug("UI EventBus aggregator of UI {} got lock on session.", vaadinUI.getUIId());
-                    fowardSingleEvents(events, userContext);
-                    fowardBulkEvents(events, userContext);
+                    groupedEvents.forEach(holder -> eventBus.publish(vaadinUI, holder));
                     LOG.debug("UI EventBus aggregator of UI {} left lock on session.", vaadinUI.getUIId());
                 }).get();
             } catch (InterruptedException | ExecutionException e) {
@@ -228,25 +226,25 @@ public class DelayedEventBusPushStrategy implements EventPushStrategy {
             }
         }
 
-        private void fowardBulkEvents(final List<Event> events, final SecurityContext userContext) {
-            final Set<Class<?>> filterBulkEvenTypes = eventProvider.getFilteredBulkEventsType(events);
+        @SuppressWarnings("unchecked")
+        private List<EventContainer<Event>> groupEvents(final List<Event> events, final SecurityContext userContext,
+                final UIEventProvider eventProvider) {
 
-            for (final Class<?> bulkType : filterBulkEvenTypes) {
-                final List<Event> listBulkEvents = events.stream()
-                        .filter(event -> DelayedEventBusPushStrategy.eventSecurityCheck(userContext, event)
-                                && bulkType.isInstance(event))
-                        .collect(Collectors.toList());
-                if (!listBulkEvents.isEmpty()) {
-                    eventBus.publish(vaadinUI, listBulkEvents);
-                }
-            }
-        }
+            return events.stream().filter(event -> eventSecurityCheck(userContext, event))
+                    .collect(Collectors.groupingBy(Event::getClass)).entrySet().stream().map(entry -> {
+                        EventContainer<Event> holder = null;
+                        try {
+                            final Constructor<Event> declaredConstructor = (Constructor<Event>) eventProvider
+                                    .getEvents().get(entry.getKey()).getDeclaredConstructor(List.class);
+                            declaredConstructor.setAccessible(true);
 
-        private void fowardSingleEvents(final List<Event> events, final SecurityContext userContext) {
-            events.stream()
-                    .filter(event -> DelayedEventBusPushStrategy.eventSecurityCheck(userContext, event)
-                            && eventProvider.getSingleEvents().contains(event.getClass()))
-                    .forEach(event -> eventBus.publish(vaadinUI, event));
+                            holder = (EventContainer<Event>) declaredConstructor.newInstance(entry.getValue());
+                        } catch (final ReflectiveOperationException e) {
+                            LOG.error("Failed to create EventHolder!", e);
+                        }
+
+                        return holder;
+                    }).collect(Collectors.toList());
         }
     }
 

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/push/DistributionCreatedEventContainer.java

@@ -0,0 +1,31 @@
+/**
+ * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.eclipse.hawkbit.ui.push;
+
+import java.util.List;
+
+import org.eclipse.hawkbit.repository.eventbus.event.DistributionCreatedEvent;
+
+/**
+ * EventHolder for {@link DistributionCreatedEvent}s.
+ *
+ */
+public class DistributionCreatedEventContainer implements EventContainer<DistributionCreatedEvent> {
+    private final List<DistributionCreatedEvent> events;
+
+    DistributionCreatedEventContainer(final List<DistributionCreatedEvent> events) {
+        this.events = events;
+    }
+
+    @Override
+    public List<DistributionCreatedEvent> getEvents() {
+        return events;
+    }
+
+}

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/push/DistributionDeletedEventContainer.java

@@ -0,0 +1,31 @@
+/**
+ * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.eclipse.hawkbit.ui.push;
+
+import java.util.List;
+
+import org.eclipse.hawkbit.repository.eventbus.event.DistributionDeletedEvent;
+
+/**
+ * EventHolder for {@link DistributionDeletedEvent}s.
+ *
+ */
+public class DistributionDeletedEventContainer implements EventContainer<DistributionDeletedEvent> {
+    private final List<DistributionDeletedEvent> events;
+
+    DistributionDeletedEventContainer(final List<DistributionDeletedEvent> events) {
+        this.events = events;
+    }
+
+    @Override
+    public List<DistributionDeletedEvent> getEvents() {
+        return events;
+    }
+
+}

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/push/DistributionSetTagAssignmentResultEventContainer.java

@@ -0,0 +1,32 @@
+/**
+ * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.eclipse.hawkbit.ui.push;
+
+import java.util.List;
+
+import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetTagAssigmentResultEvent;
+
+/**
+ * EventHolder for {@link DistributionSetTagAssigmentResultEvent}s.
+ *
+ */
+public class DistributionSetTagAssignmentResultEventContainer
+        implements EventContainer<DistributionSetTagAssigmentResultEvent> {
+    private final List<DistributionSetTagAssigmentResultEvent> events;
+
+    DistributionSetTagAssignmentResultEventContainer(final List<DistributionSetTagAssigmentResultEvent> events) {
+        this.events = events;
+    }
+
+    @Override
+    public List<DistributionSetTagAssigmentResultEvent> getEvents() {
+        return events;
+    }
+
+}

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/push/DistributionSetTagCreatedEventContainer.java

@@ -0,0 +1,31 @@
+/**
+ * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.eclipse.hawkbit.ui.push;
+
+import java.util.List;
+
+import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetTagCreatedEvent;
+
+/**
+ * EventHolder for {@link DistributionSetTagCreatedEvent}s.
+ *
+ */
+public class DistributionSetTagCreatedEventContainer implements EventContainer<DistributionSetTagCreatedEvent> {
+    private final List<DistributionSetTagCreatedEvent> events;
+
+    DistributionSetTagCreatedEventContainer(final List<DistributionSetTagCreatedEvent> events) {
+        this.events = events;
+    }
+
+    @Override
+    public List<DistributionSetTagCreatedEvent> getEvents() {
+        return events;
+    }
+
+}

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/push/DistributionSetTagDeletedEventContainer.java

@@ -0,0 +1,31 @@
+/**
+ * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.eclipse.hawkbit.ui.push;
+
+import java.util.List;
+
+import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetTagDeletedEvent;
+
+/**
+ * EventHolder for {@link DistributionSetTagDeletedEvent}s.
+ *
+ */
+public class DistributionSetTagDeletedEventContainer implements EventContainer<DistributionSetTagDeletedEvent> {
+    private final List<DistributionSetTagDeletedEvent> events;
+
+    DistributionSetTagDeletedEventContainer(final List<DistributionSetTagDeletedEvent> events) {
+        this.events = events;
+    }
+
+    @Override
+    public List<DistributionSetTagDeletedEvent> getEvents() {
+        return events;
+    }
+
+}

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/push/DistributionSetTagUpdatedEventContainer.java

@@ -0,0 +1,31 @@
+/**
+ * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.eclipse.hawkbit.ui.push;
+
+import java.util.List;
+
+import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetTagUpdateEvent;
+
+/**
+ * EventHolder for {@link DistributionSetTagUpdateEvent}s.
+ *
+ */
+public class DistributionSetTagUpdatedEventContainer implements EventContainer<DistributionSetTagUpdateEvent> {
+    private final List<DistributionSetTagUpdateEvent> events;
+
+    DistributionSetTagUpdatedEventContainer(final List<DistributionSetTagUpdateEvent> events) {
+        this.events = events;
+    }
+
+    @Override
+    public List<DistributionSetTagUpdateEvent> getEvents() {
+        return events;
+    }
+
+}

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/push/DistributionSetUpdatedEventContainer.java

@@ -0,0 +1,31 @@
+/**
+ * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.eclipse.hawkbit.ui.push;
+
+import java.util.List;
+
+import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetUpdateEvent;
+
+/**
+ * EventHolder for {@link DistributionSetUpdateEvent}s.
+ *
+ */
+public class DistributionSetUpdatedEventContainer implements EventContainer<DistributionSetUpdateEvent> {
+    private final List<DistributionSetUpdateEvent> events;
+
+    DistributionSetUpdatedEventContainer(final List<DistributionSetUpdateEvent> events) {
+        this.events = events;
+    }
+
+    @Override
+    public List<DistributionSetUpdateEvent> getEvents() {
+        return events;
+    }
+
+}

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/push/EventContainer.java

@@ -0,0 +1,31 @@
+/**
+ * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.eclipse.hawkbit.ui.push;
+
+import java.util.List;
+
+import org.eclipse.hawkbit.eventbus.event.Event;
+
+/**
+ * EventHolder beans contains a list of events that can be process by the UI in
+ * batch like fashion.
+ * 
+ * @param <T>
+ *            event type
+ *
+ */
+@FunctionalInterface
+public interface EventContainer<T extends Event> {
+
+    /**
+     * @return list of contained events
+     */
+    List<T> getEvents();
+
+}

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/push/HawkbitEventProvider.java

@@ -0,0 +1,75 @@
+/**
+ * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.eclipse.hawkbit.ui.push;
+
+import java.util.Map;
+
+import org.eclipse.hawkbit.eventbus.event.Event;
+import org.eclipse.hawkbit.repository.eventbus.event.CancelTargetAssignmentEvent;
+import org.eclipse.hawkbit.repository.eventbus.event.DistributionCreatedEvent;
+import org.eclipse.hawkbit.repository.eventbus.event.DistributionDeletedEvent;
+import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetTagAssigmentResultEvent;
+import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetTagCreatedEvent;
+import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetTagDeletedEvent;
+import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetTagUpdateEvent;
+import org.eclipse.hawkbit.repository.eventbus.event.DistributionSetUpdateEvent;
+import org.eclipse.hawkbit.repository.eventbus.event.RolloutChangeEvent;
+import org.eclipse.hawkbit.repository.eventbus.event.RolloutGroupChangeEvent;
+import org.eclipse.hawkbit.repository.eventbus.event.TargetCreatedEvent;
+import org.eclipse.hawkbit.repository.eventbus.event.TargetDeletedEvent;
+import org.eclipse.hawkbit.repository.eventbus.event.TargetInfoUpdateEvent;
+import org.eclipse.hawkbit.repository.eventbus.event.TargetTagAssigmentResultEvent;
+import org.eclipse.hawkbit.repository.eventbus.event.TargetTagCreatedEvent;
+import org.eclipse.hawkbit.repository.eventbus.event.TargetTagDeletedEvent;
+import org.eclipse.hawkbit.repository.eventbus.event.TargetTagUpdateEvent;
+import org.eclipse.hawkbit.repository.eventbus.event.TargetUpdatedEvent;
+
+import com.google.common.collect.Maps;
+
+/**
+ * The default hawkbit event provider.
+ */
+public class HawkbitEventProvider implements UIEventProvider {
+
+    private static final Map<Class<? extends Event>, Class<?>> EVENTS = Maps.newHashMapWithExpectedSize(18);
+
+    static {
+
+        EVENTS.put(TargetTagDeletedEvent.class, TargetTagDeletedEventContainer.class);
+        EVENTS.put(TargetTagCreatedEvent.class, TargetTagCreatedEventContainer.class);
+        EVENTS.put(TargetTagUpdateEvent.class, TargetTagUpdatedEventContainer.class);
+        EVENTS.put(TargetTagAssigmentResultEvent.class, TargetTagAssigmentResultEventContainer.class);
+
+        EVENTS.put(DistributionSetTagCreatedEvent.class, DistributionSetTagCreatedEventContainer.class);
+        EVENTS.put(DistributionSetTagDeletedEvent.class, DistributionSetTagDeletedEventContainer.class);
+        EVENTS.put(DistributionSetTagUpdateEvent.class, DistributionSetTagUpdatedEventContainer.class);
+        EVENTS.put(DistributionSetTagAssigmentResultEvent.class,
+                DistributionSetTagAssignmentResultEventContainer.class);
+
+        EVENTS.put(TargetCreatedEvent.class, TargetCreatedEventContainer.class);
+        EVENTS.put(TargetInfoUpdateEvent.class, TargetInfoUpdateEventContainer.class);
+        EVENTS.put(TargetDeletedEvent.class, TargetDeletedEventContainer.class);
+        EVENTS.put(TargetUpdatedEvent.class, TargetUpdatedEventContainer.class);
+        EVENTS.put(CancelTargetAssignmentEvent.class, CancelTargetAssignmentEventContainer.class);
+
+        EVENTS.put(DistributionSetUpdateEvent.class, DistributionSetUpdatedEventContainer.class);
+        EVENTS.put(DistributionDeletedEvent.class, DistributionDeletedEventContainer.class);
+        EVENTS.put(DistributionCreatedEvent.class, DistributionCreatedEventContainer.class);
+
+        EVENTS.put(RolloutGroupChangeEvent.class, RolloutGroupChangeEventContainer.class);
+        EVENTS.put(RolloutChangeEvent.class, RolloutChangeEventContainer.class);
+
+    }
+
+    @Override
+    public Map<Class<? extends Event>, Class<?>> getEvents() {
+        return EVENTS;
+    }
+
+}

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/push/RolloutChangeEventContainer.java

@@ -0,0 +1,31 @@
+/**
+ * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.eclipse.hawkbit.ui.push;
+
+import java.util.List;
+
+import org.eclipse.hawkbit.repository.eventbus.event.RolloutChangeEvent;
+
+/**
+ * EventHolder for {@link RolloutChangeEvent}s.
+ *
+ */
+public class RolloutChangeEventContainer implements EventContainer<RolloutChangeEvent> {
+    private final List<RolloutChangeEvent> events;
+
+    RolloutChangeEventContainer(final List<RolloutChangeEvent> events) {
+        this.events = events;
+    }
+
+    @Override
+    public List<RolloutChangeEvent> getEvents() {
+        return events;
+    }
+
+}

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/push/RolloutGroupChangeEventContainer.java

@@ -0,0 +1,31 @@
+/**
+ * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.eclipse.hawkbit.ui.push;
+
+import java.util.List;
+
+import org.eclipse.hawkbit.repository.eventbus.event.RolloutGroupChangeEvent;
+
+/**
+ * EventHolder for {@link RolloutGroupChangeEvent}s.
+ *
+ */
+public class RolloutGroupChangeEventContainer implements EventContainer<RolloutGroupChangeEvent> {
+    private final List<RolloutGroupChangeEvent> events;
+
+    RolloutGroupChangeEventContainer(final List<RolloutGroupChangeEvent> events) {
+        this.events = events;
+    }
+
+    @Override
+    public List<RolloutGroupChangeEvent> getEvents() {
+        return events;
+    }
+
+}

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/push/TargetCreatedEventContainer.java

@@ -0,0 +1,31 @@
+/**
+ * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.eclipse.hawkbit.ui.push;
+
+import java.util.List;
+
+import org.eclipse.hawkbit.repository.eventbus.event.TargetCreatedEvent;
+
+/**
+ * EventHolder for {@link TargetCreatedEvent}s.
+ *
+ */
+public class TargetCreatedEventContainer implements EventContainer<TargetCreatedEvent> {
+    private final List<TargetCreatedEvent> events;
+
+    TargetCreatedEventContainer(final List<TargetCreatedEvent> events) {
+        this.events = events;
+    }
+
+    @Override
+    public List<TargetCreatedEvent> getEvents() {
+        return events;
+    }
+
+}