Examples of org.osgi.framework.BundleListener

org.osgi.framework.BundleListener
A {@code BundleEvent} listener. {@code BundleListener} is a listenerinterface that may be implemented by a bundle developer. When a {@code BundleEvent} is fired, it is asynchronously delivered to a{@code BundleListener}. The Framework delivers {@code BundleEvent} objects toa {@code BundleListener} in order and must not concurrently call a{@code BundleListener}.
A {@code BundleListener} object is registered with the Framework using the{@link BundleContext#addBundleListener(BundleListener)} method.{@code BundleListener}s are called with a {@code BundleEvent} object when abundle has been installed, resolved, started, stopped, updated, unresolved, or uninstalled. @see BundleEvent @NotThreadSafe @author $Id: 2c27d37a3a77e1c80f9b022f8dc2f614dff5f5ef $

        // capture the BundleListener registered with BundleContext to issue BundleEvents
        ArgumentCaptor<BundleListener> argument = ArgumentCaptor.forClass(BundleListener.class);
        verify(context).addBundleListener(argument.capture());


        //send events
        BundleListener listener = argument.getValue();
        listener.bundleChanged(installedEvent);
        listener.bundleChanged(resolvedEvent);


        //shutdown dispatcher via unregister callback
        bundleState.postDeregister();
        //check the BundleListener is cleaned up
        verify(context).removeBundleListener(listener);

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        // capture the BundleListener registered with BundleContext
        ArgumentCaptor<BundleListener> argument = ArgumentCaptor.forClass(BundleListener.class);
        verify(context).addBundleListener(argument.capture());
        assertEquals(1, argument.getAllValues().size());


        BundleListener listener = argument.getValue();
        assertNotNull(listener);


        ExecutorService dispatcher = bundleState.getEventDispatcher();


        //do registration with another server

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     */
    public ObjectName preRegister(MBeanServer server, ObjectName name) throws Exception {
        lock.lock();
        try {
            if (bundleListener == null) {
                bundleListener = new BundleListener() {
                    public void bundleChanged(BundleEvent event) {
                        try {
                            final Notification notification = new Notification(EVENT, OBJECTNAME,
                                    notificationSequenceNumber.getAndIncrement());
                            notification.setUserData(new BundleEventData(event).toCompositeData());

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    private void rescheduleStart(Bundle bundle) {
        synchronized (pendingStartBundles) {
            pendingStartBundles.add(bundle);
            if (bundleListener == null) {
                bundleListener = new BundleListener() {
                    public void bundleChanged(BundleEvent event) {
                        if (event.getType() == BundleEvent.RESOLVED) {
                            executor.execute(new Runnable() {
                                public void run() {
                                    retryPendingStartBundles();

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    private final Lock lock = new ReentrantLock();


    public BundleTracker(final BundleContext context) {
        this.context = context;
        bundleListener = new BundleListener() {
            public void bundleChanged(BundleEvent event) {
                lock.lock();
                try {
                    if (!open) {
                        return;

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     */
    public ObjectName preRegister(MBeanServer server, ObjectName name) throws Exception {
        lock.lock();
        try {
            if (bundleListener == null) {
                bundleListener = new BundleListener() {
                    public void bundleChanged(BundleEvent event) {
                        final Notification notification = new Notification(EVENT, OBJECTNAME,
                                notificationSequenceNumber.getAndIncrement());
                        try {
                            notification.setUserData(new BundleEventData(event).toCompositeData());

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            BundleContext sysContext = framework.getBundleContext();
            MBeanServer mbeanServer = injectedMBeanServer.getValue();
            sysContext.registerService(MBeanServer.class.getName(), mbeanServer, null);


            // Register a {@link SynchronousBundleListener} that removes the {@link DeploymentService}
            BundleListener uninstallListener = new SynchronousBundleListener() {


                @Override
                public void bundleChanged(BundleEvent event) {
                    if (event.getType() == BundleEvent.UNINSTALLED) {
                        AbstractUserBundle userBundle;

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     */
    public ObjectName preRegister(MBeanServer server, ObjectName name) throws Exception {
        lock.lock();
        try {
            if (bundleListener == null) {
                bundleListener = new BundleListener() {
                    public void bundleChanged(BundleEvent event) {
                        final Notification notification = new Notification(EVENT, OBJECTNAME,
                                notificationSequenceNumber.getAndIncrement());
                        try {
                            notification.setUserData(new BundleEventData(event).toCompositeData());

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            Thread.sleep(DEFAULT_TIMEOUT);


            final Set<String> installedSymbolicNames = new LinkedHashSet<String>();


            //Add a Bundle Listener
            bundleContext.addBundleListener(new BundleListener(){
                @Override
                public void bundleChanged(BundleEvent event) {
                  if (event.getType() == BundleEvent.INSTALLED) {
                      installedSymbolicNames.add(event.getBundle().getSymbolicName());
                  }

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            Thread.sleep(DEFAULT_TIMEOUT);


            final Set<String> installedSymbolicNames = new LinkedHashSet<String>();


            //Add a Bundle Listener
            bundleContext.addBundleListener(new BundleListener(){
                @Override
                public void bundleChanged(BundleEvent event) {
                  if (event.getType() == BundleEvent.INSTALLED) {
                      installedSymbolicNames.add(event.getBundle().getSymbolicName());
                  }

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