Examples with InternalEventListener org.apache.jackrabbit.jcr2spi.observation.InternalEventListener used on opensource projects

Example 1 with InternalEventListener

use of org.apache.jackrabbit.jcr2spi.observation.InternalEventListener in project jackrabbit by apache.

the class WorkspaceManager method onEventReceived.

//--------------------------------------------------------------------------
/**
     * Called when local or external events occurred. This method is called after
     * changes have been applied to the repository.
     *
     * @param eventBundles the event bundles generated by the repository service
     *                     as the effect of an local or external change.
     * @param lstnrs Array of internal event listeners
     * @throws InterruptedException if this thread is interrupted while waiting
     *                              for the {@link #updateSync}.
     */
private void onEventReceived(EventBundle[] eventBundles, InternalEventListener[] lstnrs) throws InterruptedException {
    if (log.isDebugEnabled()) {
        log.debug("received {} event bundles.", eventBundles.length);
        for (EventBundle eventBundle : eventBundles) {
            log.debug("IsLocal:  {}", eventBundle.isLocal());
            for (Iterator<Event> it = eventBundle.getEvents(); it.hasNext(); ) {
                Event e = it.next();
                String type;
                switch(e.getType()) {
                    case Event.NODE_ADDED:
                        type = "NodeAdded";
                        break;
                    case Event.NODE_REMOVED:
                        type = "NodeRemoved";
                        break;
                    case Event.PROPERTY_ADDED:
                        type = "PropertyAdded";
                        break;
                    case Event.PROPERTY_CHANGED:
                        type = "PropertyChanged";
                        break;
                    case Event.PROPERTY_REMOVED:
                        type = "PropertyRemoved";
                        break;
                    case Event.NODE_MOVED:
                        type = "NodeMoved";
                        break;
                    case Event.PERSIST:
                        type = "Persist";
                        break;
                    default:
                        type = "Unknown";
                }
                log.debug("  {}; {}", e.getPath(), type);
            }
        }
    }
    // do not deliver events while an operation executes
    updateSync.acquire();
    try {
        // notify listener
        for (EventBundle eventBundle : eventBundles) {
            for (InternalEventListener lstnr : lstnrs) {
                try {
                    lstnr.onEvent(eventBundle);
                } catch (Exception e) {
                    log.warn("Exception in event polling thread: " + e);
                    log.debug("Dump:", e);
                }
            }
        }
    } finally {
        updateSync.release();
    }
}