Package javax.jcr.observation

Examples of javax.jcr.observation.EventListener

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            // while iterating over it
            Collection listeners =
                IteratorUtils.toList(manager.getRegisteredEventListeners());
            Iterator iterator = listeners.iterator();
            while (iterator.hasNext()) {
                EventListener listener = (EventListener) iterator.next();
                try {
                    manager.removeEventListener(listener);
                } catch (RepositoryException e) {
                    log.warn("Error removing event listener: " + listener, e);
                }
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                ObservationManager obsMgr = sInfo.getSession().getWorkspace().getObservationManager();
                List listeners = new ArrayList(subscr.size());
                try {
                    for (Iterator it = subscr.iterator(); it.hasNext(); ) {
                        EventSubscription s = (EventSubscription) it.next();
                        EventListener listener = s.getLocalEventListener();
                        listeners.add(listener);
                        obsMgr.addEventListener(listener, EventSubscription.ALL_EVENTS,
                                "/", true, null, null, false);
                    }
                    return call.run();
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      EventListenerIterator eventListeners = observationRegistry.getEventListeners();

      while (eventListeners.hasNext())
      {

         EventListener listener = eventListeners.nextEventListener();
         if (listener == null)
         {
            if (LOG.isDebugEnabled())
            {
                LOG.debug("The listener has probably been removed thus it will be skipped");
            }
            continue;
         }

         ListenerCriteria criteria = observationRegistry.getListenerFilter(listener);
         if (criteria == null)
         {
            if (LOG.isDebugEnabled())
            {
                LOG.debug("The criteria of the listener could not be found thus it will be skipped");
            }
            continue;
         }
         EntityCollection events = new EntityCollection();

         ChangesLogIterator logIterator = ((CompositeChangesLog)changesLog).getLogIterator();
         while (logIterator.hasNextLog())
         {

            PlainChangesLog subLog = logIterator.nextLog();
            String sessionId = subLog.getSessionId();

            ExtendedSession userSession;

            if (subLog.getSession() != null)
            {
               userSession = subLog.getSession();
            }
            else
            {
               userSession = sessionRegistry.getSession(sessionId);
            }

            if (userSession != null)
            {
               for (ItemState itemState : subLog.getAllStates())
               {
                  if (itemState.isEventFire())
                  {

                     ItemData item = itemState.getData();
                     try
                     {
                        int eventType = eventType(itemState);
                        if (eventType != SKIP_EVENT && isTypeMatch(criteria, eventType)
                           && isPathMatch(criteria, item, userSession) && isIdentifierMatch(criteria, item)
                           && isNodeTypeMatch(criteria, item, userSession, subLog)
                           && isSessionMatch(criteria, sessionId))
                        {

                           String path =
                              userSession.getLocationFactory().createJCRPath(item.getQPath()).getAsString(false);
                           if (eventType== ExtendedEvent.NODE_MOVED)
                           {
                               String oldPath =
                                       userSession.getLocationFactory().createJCRPath(itemState.getOldPath()).getAsString(false);
                               Map<String, String> info = new HashMap<String, String>();
                               if(itemState.isMoved())
                               {
                                   info.put(ExtendedEvent.SRC_ABS_PATH, oldPath);
                                   info.put(ExtendedEvent.DEST_ABS_PATH, path);
                               }
                               else if (itemState.isOrdered())
                               {
                                   info.put(ExtendedEvent.SRC_CHILD_REL_PATH, oldPath);
                                   info.put(ExtendedEvent.DEST_CHILD_REL_PATH, path);
                               }

                               events.add(new EventImpl(eventType, path, userSession.getUserID(), info));
                           }
                            else
                           {
                               events.add(new EventImpl(eventType, path, userSession.getUserID()));

                           }

                        }
                     }
                     catch (RepositoryException e)
                     {
                        LOG.error("Can not fire ActionLauncher.onSaveItems() for " + item.getQPath().getAsString()
                           + " reason: " + e.getMessage());
                     }
                  }
               }
            }
         }
         if (events.getSize() > 0)
         {
            // TCK says, no events - no onEvent() action
            listener.onEvent(events);
         }
      }
   }
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      EventListenerIterator eventListeners = observationRegistry.getEventListeners();

      while (eventListeners.hasNext())
      {

         EventListener listener = eventListeners.nextEventListener();
         ListenerCriteria criteria = observationRegistry.getListenerFilter(listener);

         EntityCollection events = new EntityCollection();

         ChangesLogIterator logIterator = ((CompositeChangesLog) changesLog).getLogIterator();
         while (logIterator.hasNextLog())
         {

            PlainChangesLog subLog = logIterator.nextLog();
            String sessionId = subLog.getSessionId();

            SessionImpl userSession = sessionRegistry.getSession(sessionId);

            if (userSession != null)
               for (ItemState itemState : subLog.getAllStates())
               {
                  if (itemState.isEventFire())
                  {

                     ItemData item = itemState.getData();
                     try
                     {
                        int eventType = eventType(itemState);
                        if (eventType != SKIP_EVENT && isTypeMatch(criteria, eventType)
                                 && isPathMatch(criteria, item, userSession) && isIdentifierMatch(criteria, item)
                                 && isNodeTypeMatch(criteria, item, userSession, subLog)
                                 && isSessionMatch(criteria, sessionId))
                        {

                           String path =
                                    userSession.getLocationFactory().createJCRPath(item.getQPath()).getAsString(false);

                           events.add(new EventImpl(eventType, path, userSession.getUserID()));
                        }
                     }
                     catch (RepositoryException e)
                     {
                        log.error("Can not fire ActionLauncher.onSaveItems() for " + item.getQPath().getAsString()
                                 + " reason: " + e);
                     }
                  }
               }
         }
         if (events.size() > 0)
         {
            // TCK says, no events - no onEvent() action
            listener.onEvent(events);
         }
      }
   }
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            // while iterating over it
            Collection listeners =
                IteratorUtils.toList(manager.getRegisteredEventListeners());
            Iterator iterator = listeners.iterator();
            while (iterator.hasNext()) {
                EventListener listener = (EventListener) iterator.next();
                try {
                    manager.removeEventListener(listener);
                } catch (RepositoryException e) {
                    log.warn("Error removing event listener: " + listener, e);
                }
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                }

                // extract the listener id from the remote event and find
                // the locally registered event listener
                Long id = new Long(remoteEvent.getListenerId());
                EventListener listener = (EventListener) listenerMap.get(id);

                // if the listener is not registered (anymore), the event is
                // silently ignored, running is checked and the server asked again
                if (listener == null) {
                    continue;
                }

                // otherwise convert the remote events into an EventIterator
                // and the listener is called
                RemoteEventCollection.RemoteEvent[] remoteEvents = remoteEvent.getEvents();
                EventIterator events = toEvents(remoteEvents);
                try {
                    listener.onEvent(events);
                } catch (Exception e) {
                    log.error("Unexpected failure of Listener " + listener, e);
                }

            } catch (RemoteException re) {
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                ObservationManager obsMgr = sInfo.getSession().getWorkspace().getObservationManager();
                List listeners = new ArrayList(subscr.size());
                try {
                    for (Iterator it = subscr.iterator(); it.hasNext(); ) {
                        EventSubscription s = (EventSubscription) it.next();
                        EventListener listener = s.getLocalEventListener();
                        listeners.add(listener);
                        obsMgr.addEventListener(listener, EventSubscription.ALL_EVENTS,
                                "/", true, null, null, false);
                    }
                    return call.run();
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    /**
     * @return a temporary event listener that will create local event bundles
     *         for delivered events.
     */
    EventListener getLocalEventListener() {
        return new EventListener() {
            public void onEvent(javax.jcr.observation.EventIterator events) {
                createEventBundle(events, true);
            }
        };
    }
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     */
    public EventListener nextEventListener() {
        if (next == null) {
            throw new NoSuchElementException();
        }
        EventListener l = next;
        fetchNext();
        pos++;
        return l;
    }
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        ObservationManager observationManager = observingSession.getWorkspace().getObservationManager();

        try{
            final List<Event> events = new ArrayList<Event>();
            final CountDownLatch latch = new CountDownLatch(1);
            EventListener listener = new EventListener() {
                @Override
                public void onEvent(EventIterator eventIt) {
                    while(eventIt.hasNext()){
                        events.add(eventIt.nextEvent());
                    }
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Related Classes of javax.jcr.observation.EventListener

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  • org.apache.jackrabbit.commons.observation.ListenerTracker
  • org.apache.jackrabbit.core.integration.CachingHierarchyManagerConsistencyTest
  • org.apache.jackrabbit.core.observation.EventListenerIteratorImpl
  • org.apache.jackrabbit.core.observation.ObservationManagerImpl
  • org.apache.jackrabbit.core.SessionImpl
  • org.apache.jackrabbit.jcr2spi.observation.ObservationManagerImpl
  • org.apache.jackrabbit.oak.benchmark.ObservationTest
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