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 }