2 * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.controller.cluster.datastore;
10 import akka.actor.ActorRef;
11 import akka.actor.ActorSelection;
12 import org.opendaylight.controller.cluster.datastore.actors.DataTreeNotificationListenerRegistrationActor;
13 import org.opendaylight.controller.cluster.datastore.messages.RegisterDataTreeChangeListener;
14 import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener;
16 final class DataTreeChangeListenerSupport extends AbstractDataListenerSupport<DOMDataTreeChangeListener,
17 RegisterDataTreeChangeListener> {
19 DataTreeChangeListenerSupport(final Shard shard) {
24 void doRegistration(final RegisterDataTreeChangeListener message, final ActorRef registrationActor) {
25 final ActorSelection listenerActor = processListenerRegistrationMessage(message);
27 DOMDataTreeChangeListener listener = new ForwardingDataTreeChangeListener(listenerActor);
29 log().debug("{}: Registering listenerActor {} for path {}", persistenceId(), listenerActor, message.getPath());
31 final ShardDataTree shardDataTree = getShard().getDataStore();
32 shardDataTree.registerTreeChangeListener(message.getPath(),
33 listener, shardDataTree.readCurrentData(), registration -> registrationActor.tell(
34 new DataTreeNotificationListenerRegistrationActor.SetRegistration(registration, () ->
35 removeListenerActor(listenerActor)), ActorRef.noSender()));
39 protected String logName() {
40 return "registerTreeChangeListener";