Examples of org.osgi.framework.BundleEvent

org.osgi.framework.BundleEvent
An event from the Framework describing a bundle lifecycle change.
{@code BundleEvent} objects are delivered to{@code SynchronousBundleListener}s and {@code BundleListener}s when a change occurs in a bundle's lifecycle. A type code is used to identify the event type for future extendability.
OSGi Alliance reserves the right to extend the set of types. @Immutable @see BundleListener @see SynchronousBundleListener @author $Id: cd49848213816c4f76541b70be12ac3af7900972 $


        @Override
        public void moduleChanged(ModuleEvent event) {
            int type = event.getType();
            Module module = event.getModule();
            BundleEvent bundleEvent = new BundleEvent(type, new BundleAdaptor(module));
            delegate.bundleChanged(bundleEvent);
        }

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        @Override
        public void moduleChanged(ModuleEvent event) {
            int type = event.getType();
            Module module = event.getModule();
            BundleEvent bundleEvent = new BundleEvent(type, new BundleAdaptor(module));
            delegate.bundleChanged(bundleEvent);
        }

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     */
    public static void assertBundleEvent(String message, int eventTypeMask, int bundleId, long timeout, TimeUnit timeUnit) {
        Bundle bundle = findBundle(getBundleContext(), bundleId);
        assertNotNull(format("Unknown bundle with ID: %d", bundleId), bundle);
        assertNotNull("TimeUnit is null", timeUnit);
        BundleEvent event = waitForBundleEvent(getBundleContext(), bundleId, eventTypeMask, timeout, timeUnit);
        assertNotNull(message, event);
    }

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     * @since 1.1
     */
    public static void assertBundleEvent(String message, int eventTypeMask, String symbolicName, long timeout, TimeUnit timeUnit) {
        assertNotNull("SymbolicName is null", symbolicName);
        assertNotNull("TimeUnit is null", timeUnit);
        BundleEvent event = waitForBundleEvent(getBundleContext(), symbolicName, eventTypeMask, timeout, timeUnit);
        assertNotNull(message, event);
    }

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     * @since 1.1
     */
    public static void assertBundleEvent(String message, int eventTypeMask, String symbolicName, Version version, long timeout, TimeUnit timeUnit) {
        assertNotNull("SymbolicName is null", symbolicName);
        assertNotNull("TimeUnit is null", timeUnit);
        BundleEvent event = waitForBundleEvent(getBundleContext(), symbolicName, version, eventTypeMask, timeout, timeUnit);
        assertNotNull(message, event);
    }

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    public void init() throws Exception {
        bundleContext.addBundleListener(this);
        for (Bundle bundle : bundleContext.getBundles()) {
            if (bundle.getState() == Bundle.RESOLVED || bundle.getState() == Bundle.STARTING
                    || bundle.getState() == Bundle.ACTIVE)
            bundleChanged(new BundleEvent(BundleEvent.RESOLVED, bundle));
        }
    }

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    //INSTALL the bundle
    
    Skeleton.getSkeleton(persistenceBundle).setReturnValue(new MethodCall(Bundle.class, "getState"), Bundle.INSTALLED);
    
    Object o = mgr.addingBundle(persistenceBundle, new BundleEvent(BundleEvent.INSTALLED, persistenceBundle));


    //Check the persistence.xml was looked for
    Skeleton.getSkeleton(persistenceBundle).assertCalled(new MethodCall(Bundle.class, "getEntry", "META-INF/persistence.xml"));
    //Check we didn't use getResource()
    Skeleton.getSkeleton(persistenceBundle).assertNotCalled(new MethodCall(Bundle.class, "getResource", String.class));
    
    //Check we didn't get the Provider, register a service or create an EMF
    Skeleton.getSkeleton(extenderContext).assertNotCalled(new MethodCall(BundleContext.class, "getService", ServiceReference.class));
    Skeleton.getSkeleton(persistenceBundleContext).assertNotCalled(new MethodCall(BundleContext.class, "registerService", EntityManagerFactory.class.getName(), EntityManagerFactory.class, Dictionary.class));
    Skeleton.getSkeleton(pp).assertNotCalled(new MethodCall(PersistenceProvider.class, "createContainerEntityManagerFactory", PersistenceUnitInfo.class, Map.class));
    BundleContextMock.assertNoServiceExists(EntityManagerFactory.class.getName());
    
    
    //Now try Resolving
    Skeleton.getSkeleton(persistenceBundle).setReturnValue(new MethodCall(Bundle.class, "getState"), Bundle.RESOLVED);
    mgr.modifiedBundle(persistenceBundle, new BundleEvent(BundleEvent.RESOLVED, persistenceBundle), o);
    testSuccessfulCreationEvent(ref, extenderContext, 1);
    BundleContextMock.assertNoServiceExists(EntityManagerFactory.class.getName());
    
    
    //Now try starting (This should not create again, so check we only called 1 time)
    Skeleton.getSkeleton(persistenceBundle).setReturnValue(new MethodCall(Bundle.class, "getState"), Bundle.STARTING);
    mgr.modifiedBundle(persistenceBundle, new BundleEvent(BundleEvent.STARTING, persistenceBundle), o);
    
    testSuccessfulCreationEvent(ref, extenderContext, 1);
    testSuccessfulRegistrationEvent(ref, extenderContext, 1);
    
    //Now try active (This should not create again, so check we only called 1 time)
    Skeleton.getSkeleton(persistenceBundle).setReturnValue(new MethodCall(Bundle.class, "getState"), Bundle.ACTIVE);
    mgr.modifiedBundle(persistenceBundle, new BundleEvent(BundleEvent.STARTED, persistenceBundle), o);
    
    testSuccessfulCreationEvent(ref, extenderContext, 1);
    testSuccessfulRegistrationEvent(ref, extenderContext, 1);
    
    //Now stop the bundle, check no extra calls, and the EMFs are still open
    Skeleton.getSkeleton(persistenceBundle).setReturnValue(new MethodCall(Bundle.class, "getState"), Bundle.STOPPING);
    mgr.modifiedBundle(persistenceBundle, new BundleEvent(BundleEvent.STOPPING, persistenceBundle), o);
    
    testSuccessfulCreationEvent(ref, extenderContext, 1);
    BundleContextMock.assertNoServiceExists(EntityManagerFactory.class.getName());
    Skeleton.getSkeleton(pp).assertNotCalled(new MethodCall(EntityManagerFactory.class, "close"));
    
    //Now Mark the bundle stopped, check no extra calls, and the EMFs are still open
    Skeleton.getSkeleton(persistenceBundle).setReturnValue(new MethodCall(Bundle.class, "getState"), Bundle.RESOLVED);
    mgr.modifiedBundle(persistenceBundle, new BundleEvent(BundleEvent.STOPPING, persistenceBundle), o);
    
    testSuccessfulCreationEvent(ref, extenderContext, 1);
    BundleContextMock.assertNoServiceExists(EntityManagerFactory.class.getName());
    Skeleton.getSkeleton(pp).assertNotCalled(new MethodCall(EntityManagerFactory.class, "close"));
    
    //Now Uninstall, check no extra calls, and the EMFs are closed
    Skeleton.getSkeleton(persistenceBundle).setReturnValue(new MethodCall(Bundle.class, "getState"), Bundle.UNINSTALLED);
    mgr.removedBundle(persistenceBundle, new BundleEvent(BundleEvent.UNINSTALLED, persistenceBundle), o);
    
    testSuccessfulCreationEvent(ref, extenderContext, 1);
    BundleContextMock.assertNoServiceExists(EntityManagerFactory.class.getName());
    Skeleton.getSkeleton(pp).assertCalled(new MethodCall(EntityManagerFactory.class, "close"));
  }

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    //Clear the extender context to remove the previous get for the PersistenceProvider.
    Skeleton.getSkeleton(extenderContext).clearMethodCalls();
    
    //Update the bundle
    Skeleton.getSkeleton(persistenceBundle).setReturnValue(new MethodCall(Bundle.class, "getState"), Bundle.INSTALLED);
    mgr.modifiedBundle(persistenceBundle, new BundleEvent(BundleEvent.UPDATED, persistenceBundle), getTrackedObject());
    
    //Check the persistence.xml was looked for
    Skeleton.getSkeleton(persistenceBundle).assertCalled(new MethodCall(Bundle.class, "getEntry", "META-INF/persistence.xml"));
    //Check we didn't use getResource()
    Skeleton.getSkeleton(persistenceBundle).assertNotCalled(new MethodCall(Bundle.class, "getResource", String.class));
    
    //Check we didn't get the Provider, and there is no Service in the registry
    Skeleton.getSkeleton(extenderContext).assertNotCalled(new MethodCall(BundleContext.class, "getService", ServiceReference.class));
    Skeleton.getSkeleton(pp).assertCalled(new MethodCall(EntityManagerFactory.class, "close"));
    BundleContextMock.assertNoServiceExists(EntityManagerFactory.class.getName());
    
    //Now resolve the bundle again and check we get another EMF created
    Skeleton.getSkeleton(persistenceBundle).setReturnValue(new MethodCall(Bundle.class, "getState"), Bundle.RESOLVED);
    mgr.modifiedBundle(persistenceBundle, new BundleEvent(BundleEvent.RESOLVED, persistenceBundle), getTrackedObject());
    
    //We will have created the EMF a total of 2 times
    testSuccessfulCreationEvent(ref, extenderContext, 2);
    BundleContextMock.assertNoServiceExists(EntityManagerFactory.class.getName());
  }

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    Skeleton.getSkeleton(extenderContext).clearMethodCalls();
    Skeleton.getSkeleton(persistenceBundle).clearMethodCalls();
    
    Skeleton.getSkeleton(persistenceBundle).setReturnValue(new MethodCall(Bundle.class, "getState"), Bundle.INSTALLED);
    mgr.modifiedBundle(persistenceBundle, new BundleEvent(BundleEvent.UNRESOLVED, persistenceBundle), getTrackedObject());
    
    //Check we don't re-parse the xml
    Skeleton.getSkeleton(persistenceBundle).assertNotCalled(new MethodCall(Bundle.class, "getEntry", "META-INF/persistence.xml"));
    //Check we didn't use getResource()
    Skeleton.getSkeleton(persistenceBundle).assertNotCalled(new MethodCall(Bundle.class, "getResource", String.class));

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    skel.setReturnValue(new MethodCall(Bundle.class, "getVersion"), new Version("0.0.0"));
    


    mgr.start(ctx);
    
    mgr.addingBundle(persistenceBundle2, new BundleEvent(BundleEvent.STARTING, persistenceBundle2));
    
    ServiceReference[] alphas = ctx.getServiceReferences(
        EntityManagerFactory.class.getName(), "(osgi.unit.name=alpha)");
    
    EntityManager alpha1 = ((EntityManagerFactory) ctx.getService(alphas[0])).createEntityManager();

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