Complete implementation of DataChangeListenerRegistration and related classes
[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.actor.UntypedActor;
13 import akka.japi.Creator;
14 import org.opendaylight.controller.cluster.datastore.messages.CloseDataChangeListenerRegistration;
15 import org.opendaylight.controller.cluster.datastore.messages.CloseDataChangeListenerRegistrationReply;
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;
19
20 public class DataChangeListenerRegistration extends UntypedActor{
21
22   private final org.opendaylight.yangtools.concepts.ListenerRegistration<AsyncDataChangeListener<InstanceIdentifier, NormalizedNode<?, ?>>> registration;
23
24   public DataChangeListenerRegistration(
25       org.opendaylight.yangtools.concepts.ListenerRegistration<AsyncDataChangeListener<InstanceIdentifier, NormalizedNode<?, ?>>> registration) {
26     this.registration = registration;
27   }
28
29   @Override
30   public void onReceive(Object message) throws Exception {
31     if(message instanceof CloseDataChangeListenerRegistration){
32       closeListenerRegistration((CloseDataChangeListenerRegistration) message);
33     }
34   }
35
36   public static Props props(final org.opendaylight.yangtools.concepts.ListenerRegistration<AsyncDataChangeListener<InstanceIdentifier, NormalizedNode<?, ?>>> registration){
37     return Props.create(new Creator<DataChangeListenerRegistration>(){
38
39       @Override
40       public DataChangeListenerRegistration create() throws Exception {
41         return new DataChangeListenerRegistration(registration);
42       }
43     });
44   }
45
46   private void closeListenerRegistration(CloseDataChangeListenerRegistration message){
47     registration.close();
48     getSender().tell(new CloseDataChangeListenerRegistrationReply(), getSelf());
49   }
50 }

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