2 * Copyright (c) 2014 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
9 package org.opendaylight.controller.cluster.datastore;
11 import akka.actor.Props;
12 import akka.japi.Creator;
13 import org.opendaylight.controller.cluster.datastore.messages.DataChanged;
14 import org.opendaylight.controller.cluster.datastore.messages.DataChangedReply;
15 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
16 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener;
17 import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
18 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
20 public class DataChangeListener extends AbstractUntypedActor {
21 private final AsyncDataChangeListener<InstanceIdentifier, NormalizedNode<?, ?>> listener;
23 public DataChangeListener(
24 AsyncDataChangeListener<InstanceIdentifier, NormalizedNode<?, ?>> listener) {
25 this.listener = listener;
28 @Override public void handleReceive(Object message) throws Exception {
29 if(message instanceof DataChanged){
30 DataChanged reply = (DataChanged) message;
31 AsyncDataChangeEvent<InstanceIdentifier, NormalizedNode<?, ?>>
32 change = reply.getChange();
33 this.listener.onDataChanged(change);
35 if(getSender() != null){
36 getSender().tell(new DataChangedReply(), getSelf());
42 public static Props props(final AsyncDataChangeListener<InstanceIdentifier, NormalizedNode<?, ?>> listener) {
43 return Props.create(new Creator<DataChangeListener>() {
45 public DataChangeListener create() throws Exception {
46 return new DataChangeListener(listener);