Examples of javax.management.NotificationBroadcasterSupport$ListenerInfo

javax.management.NotificationBroadcasterSupport

Provides an implementation of {@link javax.management.NotificationEmitter NotificationEmitter}interface. This can be used as the super class of an MBean that sends notifications.

By default, the notification dispatch model is synchronous. That is, when a thread calls sendNotification, the NotificationListener.handleNotification method of each listener is called within that thread. You can override this default by overriding handleNotification in a subclass, or by passing an Executor to the constructor.

If the method call of a filter or listener throws an {@link Exception}, then that exception does not prevent other listeners from being invoked. However, if the method call of a filter or of {@code Executor.execute} or of{@code handleNotification} (when no {@code Excecutor} is specified) throws an{@link Error}, then that {@code Error} is propagated to the caller of{@link #sendNotification sendNotification}.

Remote listeners added using the JMX Remote API (see JMXConnector) are not usually called synchronously. That is, when sendNotification returns, it is not guaranteed that any remote listeners have yet received the notification.
@since 1.5

   }


   public void testRemoveTripletListenerHandback()
      throws Exception
   {
      NotificationBroadcasterSupport broadcaster = new NotificationBroadcasterSupport();


      Listener listener = new Listener();
      Object handback = new Object();
      broadcaster.addNotificationListener(listener, null, handback);
      broadcaster.removeNotificationListener(listener, null, handback);


      createNotification(broadcaster);


      compare(EMPTY, received(listener, null));
      compare(EMPTY, received(listener, handback));

View Full Code Here

   }


   public void testRemoveTripletListenerFilterHandback()
      throws Exception
   {
      NotificationBroadcasterSupport broadcaster = new NotificationBroadcasterSupport();


      Listener listener = new Listener();
      Object handback = new Object();
      NotificationFilterSupport filter = new NotificationFilterSupport();
      filter.enableType(DEFAULT_TYPE);
      broadcaster.addNotificationListener(listener, filter, handback);
      broadcaster.removeNotificationListener(listener, filter, handback);


      createNotification(broadcaster);


      compare(EMPTY, received(listener, null));
      compare(EMPTY, received(listener, handback));

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   }


   public void testRegisterTwiceRemoveOnceTriplet()
      throws Exception
   {
      NotificationBroadcasterSupport broadcaster = new NotificationBroadcasterSupport();


      Listener listener = new Listener();
      Object handback = new Object();
      NotificationFilterSupport filter = new NotificationFilterSupport();
      filter.enableType(DEFAULT_TYPE);
      broadcaster.addNotificationListener(listener, filter, handback);
      broadcaster.addNotificationListener(listener, filter, handback);
      broadcaster.removeNotificationListener(listener, filter, handback);


      createNotification(broadcaster);


      compare(EMPTY, received(listener, null));
      compare(sent, received(listener, handback));

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   }


   public void testRegisterTwiceRemoveTwiceTriplet()
      throws Exception
   {
      NotificationBroadcasterSupport broadcaster = new NotificationBroadcasterSupport();


      Listener listener = new Listener();
      Object handback = new Object();
      NotificationFilterSupport filter = new NotificationFilterSupport();
      filter.enableType(DEFAULT_TYPE);
      broadcaster.addNotificationListener(listener, filter, handback);
      broadcaster.addNotificationListener(listener, filter, handback);
      broadcaster.removeNotificationListener(listener, filter, handback);
      broadcaster.removeNotificationListener(listener, filter, handback);


      createNotification(broadcaster);


      compare(EMPTY, received(listener, null));
      compare(EMPTY, received(listener, handback));

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   }


   public void testRegisterTwoRemoveOneTripletListener()
      throws Exception
   {
      NotificationBroadcasterSupport broadcaster = new NotificationBroadcasterSupport();


      Listener listener = new Listener();
      Object handback = new Object();
      NotificationFilterSupport filter = new NotificationFilterSupport();
      filter.enableType(DEFAULT_TYPE);
      broadcaster.addNotificationListener(listener, filter, handback);
      broadcaster.addNotificationListener(listener, null, null);
      broadcaster.removeNotificationListener(listener, null, null);


      createNotification(broadcaster);


      compare(EMPTY, received(listener, null));
      compare(sent, received(listener, handback));

View Full Code Here

   }


   public void testRegisterTwoRemoveOneTripletListenerFilter()
      throws Exception
   {
      NotificationBroadcasterSupport broadcaster = new NotificationBroadcasterSupport();


      Listener listener = new Listener();
      Object handback = new Object();
      NotificationFilterSupport filter = new NotificationFilterSupport();
      filter.enableType(DEFAULT_TYPE);
      broadcaster.addNotificationListener(listener, filter, handback);
      broadcaster.addNotificationListener(listener, filter, null);
      broadcaster.removeNotificationListener(listener, filter, null);


      createNotification(broadcaster);


      compare(EMPTY, received(listener, null));
      compare(sent, received(listener, handback));

View Full Code Here

   }


   public void testRegisterTwoRemoveOneTripletListenerHandback()
      throws Exception
   {
      NotificationBroadcasterSupport broadcaster = new NotificationBroadcasterSupport();


      Listener listener = new Listener();
      Object handback = new Object();
      NotificationFilterSupport filter = new NotificationFilterSupport();
      filter.enableType(DEFAULT_TYPE);
      broadcaster.addNotificationListener(listener, filter, handback);
      broadcaster.addNotificationListener(listener, null, handback);
      broadcaster.removeNotificationListener(listener, null, handback);


      createNotification(broadcaster);


      compare(EMPTY, received(listener, null));
      compare(sent, received(listener, handback));

View Full Code Here

   }


   public void testRegisterTwoRemoveOneTripletListenerFilterHandback()
      throws Exception
   {
      NotificationBroadcasterSupport broadcaster = new NotificationBroadcasterSupport();


      Listener listener = new Listener();
      Object handback = new Object();
      NotificationFilterSupport filter = new NotificationFilterSupport();
      filter.enableType(DEFAULT_TYPE);
      broadcaster.addNotificationListener(listener, null, null);
      broadcaster.addNotificationListener(listener, filter, handback);
      broadcaster.removeNotificationListener(listener, filter, handback);


      createNotification(broadcaster);


      compare(sent, received(listener, null));
      compare(EMPTY, received(listener, handback));

View Full Code Here

   }


   public void testRemoveTripletErrors()
      throws Exception
   {
      NotificationBroadcasterSupport broadcaster = new NotificationBroadcasterSupport();
      Object handback = new Object();
      NotificationFilterSupport filter = new NotificationFilterSupport();
      filter.enableType(DEFAULT_TYPE);


      Listener listener = new Listener();


      boolean caught = false;
      try
      {
         broadcaster.removeNotificationListener(null, null, null);
      }
      catch (ListenerNotFoundException e)
      {
         caught = true;
      }
      assertTrue("Expected ListenerNotFoundException for null listener", caught);


      caught = false;
      try
      {
         broadcaster.removeNotificationListener(listener, null, null);
      }
      catch (ListenerNotFoundException e)
      {
         caught = true;
      }
      assertTrue("Expected ListenerNotFoundException for listener never added", caught);


      caught = false;
      try
      {
         broadcaster.addNotificationListener(listener, null, null);
         broadcaster.removeNotificationListener(listener, null, null);
         broadcaster.removeNotificationListener(listener, null, null);
      }
      catch (ListenerNotFoundException e)
      {
         caught = true;
      }
      assertTrue("Expected ListenerNotFoundException for listener remove twice", caught);


      caught = false;
      try
      {
         broadcaster.addNotificationListener(listener, filter, null);
         broadcaster.removeNotificationListener(listener, new NotificationFilterSupport(), null);
      }
      catch (ListenerNotFoundException e)
      {
         caught = true;
         broadcaster.removeNotificationListener(listener, filter, null);
      }
      assertTrue("Expected ListenerNotFoundException for wrong filter", caught);


      caught = false;
      try
      {
         broadcaster.addNotificationListener(listener, null, handback);
         broadcaster.removeNotificationListener(listener, null, new Object());
      }
      catch (ListenerNotFoundException e)
      {
         caught = true;
         broadcaster.removeNotificationListener(listener, null, handback);
      }
      assertTrue("Expected ListenerNotFoundException for wrong handback", caught);


      caught = false;
      try
      {
         broadcaster.addNotificationListener(listener, filter, handback);
         broadcaster.removeNotificationListener(listener, new NotificationFilterSupport(), new Object());
      }
      catch (ListenerNotFoundException e)
      {
         caught = true;
         broadcaster.removeNotificationListener(listener, filter, handback);
      }
      assertTrue("Expected ListenerNotFoundException for wrong filter and handback", caught);


      caught = false;
      try
      {
         broadcaster.addNotificationListener(listener, filter, handback);
         broadcaster.removeNotificationListener(listener, null, null);
      }
      catch (ListenerNotFoundException e)
      {
         caught = true;
         broadcaster.removeNotificationListener(listener, filter, handback);
      }
      assertTrue("Expected ListenerNotFoundException for listener remove with wrong triplet 1", caught);


      caught = false;
      try
      {
         broadcaster.addNotificationListener(listener, filter, handback);
         broadcaster.removeNotificationListener(listener, filter, null);
      }
      catch (ListenerNotFoundException e)
      {
         caught = true;
         broadcaster.removeNotificationListener(listener, filter, handback);
      }
      assertTrue("Expected ListenerNotFoundException for listener remove with wrong triplet 2", caught);


      caught = false;
      try
      {
         broadcaster.addNotificationListener(listener, filter, handback);
         broadcaster.removeNotificationListener(listener, null, handback);
      }
      catch (ListenerNotFoundException e)
      {
         caught = true;
         broadcaster.removeNotificationListener(listener, filter, handback);
      }
      assertTrue("Expected ListenerNotFoundException for listener remove with wrong triplet 3", caught);


      caught = false;
      try
      {
         broadcaster.addNotificationListener(listener, filter, null);
         broadcaster.removeNotificationListener(listener, null, null);
      }
      catch (ListenerNotFoundException e)
      {
         caught = true;
         broadcaster.removeNotificationListener(listener, filter, null);
      }
      assertTrue("Expected ListenerNotFoundException for listener remove with wrong triplet 4", caught);


      caught = false;
      try
      {
         broadcaster.addNotificationListener(listener, filter, null);
         broadcaster.removeNotificationListener(listener, null, handback);
      }
      catch (ListenerNotFoundException e)
      {
         caught = true;
         broadcaster.removeNotificationListener(listener, filter, null);
      }
      assertTrue("Expected ListenerNotFoundException for listener remove with wrong triplet 5", caught);


      caught = false;
      try
      {
         broadcaster.addNotificationListener(listener, filter, null);
         broadcaster.removeNotificationListener(listener, filter, handback);
      }
      catch (ListenerNotFoundException e)
      {
         caught = true;
         broadcaster.removeNotificationListener(listener, filter, null);
      }
      assertTrue("Expected ListenerNotFoundException for listener remove with wrong triplet 6", caught);


      caught = false;
      try
      {
         broadcaster.addNotificationListener(listener, null, handback);
         broadcaster.removeNotificationListener(listener, null, null);
      }
      catch (ListenerNotFoundException e)
      {
         caught = true;
         broadcaster.removeNotificationListener(listener, null, handback);
      }
      assertTrue("Expected ListenerNotFoundException for listener remove with wrong triplet 7", caught);


      caught = false;
      try
      {
         broadcaster.addNotificationListener(listener, null, handback);
         broadcaster.removeNotificationListener(listener, filter, null);
      }
      catch (ListenerNotFoundException e)
      {
         caught = true;
         broadcaster.removeNotificationListener(listener, null, handback);
      }
      assertTrue("Expected ListenerNotFoundException for listener remove with wrong triplet 8", caught);


      caught = false;
      try
      {
         broadcaster.addNotificationListener(listener, null, handback);
         broadcaster.removeNotificationListener(listener, filter, handback);
      }
      catch (ListenerNotFoundException e)
      {
         caught = true;
         broadcaster.removeNotificationListener(listener, null, handback);
      }
      assertTrue("Expected ListenerNotFoundException for listener remove with wrong triplet 9", caught);


      caught = false;
      try
      {
         broadcaster.addNotificationListener(listener, null, null);
         broadcaster.removeNotificationListener(listener, filter, null);
      }
      catch (ListenerNotFoundException e)
      {
         caught = true;
         broadcaster.removeNotificationListener(listener, null, null);
      }
      assertTrue("Expected ListenerNotFoundException for listener remove with wrong triplet 10", caught);


      caught = false;
      try
      {
         broadcaster.addNotificationListener(listener, null, null);
         broadcaster.removeNotificationListener(listener, null, handback);
      }
      catch (ListenerNotFoundException e)
      {
         caught = true;
         broadcaster.removeNotificationListener(listener, null, null);
      }
      assertTrue("Expected ListenerNotFoundException for listener remove with wrong triplet 11", caught);


      caught = false;
      try
      {
         broadcaster.addNotificationListener(listener, null, null);
         broadcaster.removeNotificationListener(listener, filter, handback);
      }
      catch (ListenerNotFoundException e)
      {
         caught = true;
         broadcaster.removeNotificationListener(listener, null, null);
      }
      assertTrue("Expected ListenerNotFoundException for listener remove with wrong triplet 12", caught);
   }

View Full Code Here

   // Tests ---------------------------------------------------------------------


   public void testAddNotificationListener()
      throws Exception
   {
      NotificationBroadcasterSupport broadcaster = new NotificationBroadcasterSupport();


      broadcaster.addNotificationListener(new Listener(), null, null);


      broadcaster.addNotificationListener(new Listener(), new NotificationFilterSupport(), null);


      broadcaster.addNotificationListener(new Listener(), null, new Object());


      broadcaster.addNotificationListener(new Listener(), new NotificationFilterSupport(), new Object());
   }

View Full Code Here

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