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 com.google.common.base.Preconditions;
13 import java.util.Collection;
14 import org.opendaylight.controller.cluster.datastore.messages.DataTreeChanged;
15 import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeListener;
16 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
19 * Internal implementation of a {@link DOMDataTreeChangeListener} which
20 * encapsulates received notifications into a {@link DataTreeChanged}
21 * message and forwards them towards the client's {@link DataTreeChangeListenerActor}.
23 final class ForwardingDataTreeChangeListener implements DOMDataTreeChangeListener {
24 private final ActorSelection actor;
26 ForwardingDataTreeChangeListener(final ActorSelection actor) {
27 this.actor = Preconditions.checkNotNull(actor, "actor should not be null");
31 public void onDataTreeChanged(Collection<DataTreeCandidate> changes) {
32 actor.tell(new DataTreeChanged(changes), ActorRef.noSender());