Implement DataChangeListener
[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / DataChangeListenerRegistration.java
1 /*
2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
3  *
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
7  */
8
9 package org.opendaylight.controller.cluster.datastore;
10
11 import akka.actor.Props;
12 import akka.japi.Creator;
13 import org.opendaylight.controller.cluster.datastore.messages.CloseDataChangeListenerRegistration;
14 import org.opendaylight.controller.cluster.datastore.messages.CloseDataChangeListenerRegistrationReply;
15 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener;
16 import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
17 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
18
19 public class DataChangeListenerRegistration extends AbstractUntypedActor{
20
21   private final org.opendaylight.yangtools.concepts.ListenerRegistration<AsyncDataChangeListener<InstanceIdentifier, NormalizedNode<?, ?>>> registration;
22
23   public DataChangeListenerRegistration(
24       org.opendaylight.yangtools.concepts.ListenerRegistration<AsyncDataChangeListener<InstanceIdentifier, NormalizedNode<?, ?>>> registration) {
25     this.registration = registration;
26   }
27
28   @Override
29   public void handleReceive(Object message) throws Exception {
30     if(message instanceof CloseDataChangeListenerRegistration){
31       closeListenerRegistration((CloseDataChangeListenerRegistration) message);
32     }
33   }
34
35   public static Props props(final org.opendaylight.yangtools.concepts.ListenerRegistration<AsyncDataChangeListener<InstanceIdentifier, NormalizedNode<?, ?>>> registration){
36     return Props.create(new Creator<DataChangeListenerRegistration>(){
37
38       @Override
39       public DataChangeListenerRegistration create() throws Exception {
40         return new DataChangeListenerRegistration(registration);
41       }
42     });
43   }
44
45   private void closeListenerRegistration(CloseDataChangeListenerRegistration message){
46     registration.close();
47     getSender().tell(new CloseDataChangeListenerRegistrationReply(), getSelf());
48   }
49 }

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