javax.jcr.observation.EventListener Java Examples

@Activate
protected synchronized void activate(final ComponentContext ctx) throws LoginException, RepositoryException {
    // check enabled state
    if (resolver == null) {
        bundleContext = ctx.getBundleContext();
        final Map<String, Object> map = new HashMap<>();
        map.put(ResourceResolverFactory.SUBSERVICE, VIRTUAL_PRODUCTS_SERVICE);
        resolver = resolverFactory.getServiceResourceResolver(map);

        // Watch for events on the root to register/deregister virtual catalogs data roots at runtime
        // For each observed path create an event listener object which redirects the event to the main class
        final Session session = resolver.adaptTo(Session.class);
        if (session != null) {
            this.observationEventListeners = new EventListener[this.observationPaths.length];
            for (int i = 0; i < this.observationPaths.length; i++) {
                this.observationEventListeners[i] = new EventListener() {
                    public void onEvent(EventIterator events) {
                        CatalogDataResourceProviderManagerImpl.this.onEvent(events);
                    }
                };
                session.getWorkspace()
                    .getObservationManager()
                    .addEventListener(this.observationEventListeners[i],
                        Event.NODE_ADDED | Event.NODE_REMOVED | Event.PROPERTY_ADDED | Event.PROPERTY_CHANGED | Event.PROPERTY_REMOVED,
                        this.observationPaths[i],
                        // absolute path
                        true,
                        // isDeep
                        null,
                        // uuids
                        null,
                        // node types
                        true); // noLocal
            }
        }

        // register all virtual catalog data definitions that already exist
        registerDataRoots();
    }
}
 

@Override
public void addEventListener(EventListener listener, int eventTypes, String absPath, boolean isDeep, String[] uuid, String[] nodeTypeName, boolean noLocal) throws RepositoryException {
}
 

@Override
public void removeEventListener(EventListener listener) throws RepositoryException {
}
 

/**
 * @return Returns the listener.
 */
public EventListener getListener() {
    return listener;
}
 

/**
 * @param listener The listener to set.
 */
public void setListener(EventListener listener) {
    this.listener = listener;
}