Package javax.jcr.observation

Examples of javax.jcr.observation.EventListener

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     */
    public void dispose() {
        try {
            EventListenerIterator it = getRegisteredEventListeners();
            while (it.hasNext()) {
                EventListener l = it.nextEventListener();
                log.debug("removing EventListener: " + l);
                removeEventListener(l);
            }
        } catch (RepositoryException e) {
            log.error("Internal error: Unable to dispose ObservationManager.", e);
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        Session session = lockable.getSession();
        SessionNamespaceResolver resolver = new SessionNamespaceResolver(session);

        Lock lock;
        EventListener listener = null;
        try {
            // check whether the lockable can be locked at all
            if (!lockable.isNodeType(NameFormat.format(QName.MIX_LOCKABLE, resolver))) {
                throw new IllegalArgumentException("Node is not lockable");
            }

            lock = tryLock(lockable, isDeep);
            if (lock != null) {
                return runAndUnlock(lock);
            }

            if (timeout == 0) {
                return TIMED_OUT;
            }

            long timelimit;
            if (timeout == Long.MAX_VALUE) {
                timelimit = Long.MAX_VALUE;
            } else {
                timelimit = System.currentTimeMillis() + timeout;
            }

            // node is locked by other session -> register event listener if possible
            if (isObservationSupported(session)) {
                ObservationManager om = session.getWorkspace().getObservationManager();
                listener = new EventListener() {
                    public void onEvent(EventIterator events) {
                        synchronized (Locked.this) {
                            Locked.this.notify();
                        }
                    }
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        try {
            Element udElem = updateInfo.getUpdateElement();
            boolean removeExisting = DomUtil.hasChildElement(udElem, ItemResourceConstants.XML_REMOVEEXISTING, ItemResourceConstants.NAMESPACE);

            // register eventListener in order to be able to report the modified resources.
            EventListener el = new EListener(updateInfo.getPropertyNameSet(), ms);
            registerEventListener(el, session.getRootNode().getPath());

            String[] hrefs = updateInfo.getVersionHref();
            if (hrefs == null || hrefs.length < 1) {
                throw new DavException(DavServletResponse.SC_BAD_REQUEST, "Invalid update request body: at least a single version href must be specified.");
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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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        try {
            Element udElem = updateInfo.getUpdateElement();
            boolean removeExisting = DomUtil.hasChildElement(udElem, ItemResourceConstants.XML_REMOVEEXISTING, ItemResourceConstants.NAMESPACE);

            // register eventListener in order to be able to report the modified resources.
            EventListener el = new EListener(updateInfo.getPropertyNameSet(), ms);
            registerEventListener(el, session.getRootNode().getPath());

            String[] hrefs = updateInfo.getVersionHref();
            if (hrefs == null || hrefs.length < 1) {
                throw new DavException(DavServletResponse.SC_BAD_REQUEST, "Invalid update request body: at least a single version href must be specified.");
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            Node node = (Node)item;
            Element udElem = updateInfo.getUpdateElement();
            boolean removeExisting = DomUtil.hasChildElement(udElem, XML_REMOVEEXISTING, NAMESPACE);

            // register eventListener in order to be able to report the modified resources.
            EventListener el = new EListener(updateInfo.getPropertyNameSet(), ms);
            registerEventListener(el, node.getPath());

            // perform the update/restore according to the update info
            if (updateInfo.getVersionHref() != null) {
                String[] hrefs = updateInfo.getVersionHref();
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     */
    public void dispose() {
        try {
            EventListenerIterator it = getRegisteredEventListeners();
            while (it.hasNext()) {
                EventListener l = it.nextEventListener();
                log.debug("removing EventListener: " + l);
                removeEventListener(l);
            }
        } catch (RepositoryException e) {
            log.error("Internal error: Unable to dispose ObservationManager.", e);
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        Session session = lockable.getSession();
        NamePathResolver resolver = new DefaultNamePathResolver(new SessionNamespaceResolver(session));

        Lock lock;
        EventListener listener = null;
        try {
            // check whether the lockable can be locked at all
            if (!lockable.isNodeType(resolver.getJCRName(NameConstants.MIX_LOCKABLE))) {
                throw new IllegalArgumentException("Node is not lockable");
            }

            lock = tryLock(lockable, isDeep);
            if (lock != null) {
                return runAndUnlock(lock);
            }

            if (timeout == 0) {
                return TIMED_OUT;
            }

            long timelimit;
            if (timeout == Long.MAX_VALUE) {
                timelimit = Long.MAX_VALUE;
            } else {
                timelimit = System.currentTimeMillis() + timeout;
            }

            // node is locked by other session -> register event listener if possible
            if (isObservationSupported(session)) {
                ObservationManager om = session.getWorkspace().getObservationManager();
                listener = new EventListener() {
                    public void onEvent(EventIterator events) {
                        synchronized (this) {
                            this.notify();
                        }
                    }
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        Session session = lockable.getSession();
        SessionNamespaceResolver resolver = new SessionNamespaceResolver(session);

        Lock lock;
        EventListener listener = null;
        try {
            // check whether the lockable can be locked at all
            if (!lockable.isNodeType(NameFormat.format(QName.MIX_LOCKABLE, resolver))) {
                throw new IllegalArgumentException("Node is not lockable");
            }

            lock = tryLock(lockable, isDeep);
            if (lock != null) {
                return runAndUnlock(lock);
            }

            if (timeout == 0) {
                return TIMED_OUT;
            }

            long timelimit;
            if (timeout == Long.MAX_VALUE) {
                timelimit = Long.MAX_VALUE;
            } else {
                timelimit = System.currentTimeMillis() + timeout;
            }

            // node is locked by other session -> register event listener if possible
            if (isObservationSupported(session)) {
                ObservationManager om = session.getWorkspace().getObservationManager();
                listener = new EventListener() {
                    public void onEvent(EventIterator events) {
                        synchronized (Locked.this) {
                            Locked.this.notify();
                        }
                    }
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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
  • org.apache.jackrabbit.oak.jcr.cluster.ObservationTest
  • org.apache.jackrabbit.oak.jcr.CompatibilityIssuesTest
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