opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/RegisterChangeListener.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.messages;
  10
  11 import akka.actor.ActorPath;
  12 import akka.actor.ActorRef;
  13 import akka.actor.ActorSystem;
  14 import akka.serialization.Serialization;
  15 import org.opendaylight.controller.cluster.datastore.util.InstanceIdentifierUtils;
  16 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker;
  17 import org.opendaylight.controller.protobuff.messages.registration.ListenerRegistrationMessages;
  18 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  19
  20 public class RegisterChangeListener implements SerializableMessage, ListenerRegistrationMessage {
  21     public static final Class<ListenerRegistrationMessages.RegisterChangeListener> SERIALIZABLE_CLASS =
  22             ListenerRegistrationMessages.RegisterChangeListener.class;
  23
  24     private final YangInstanceIdentifier path;
  25     private final ActorRef dataChangeListener;
  26     private final AsyncDataBroker.DataChangeScope scope;
  27     private final boolean registerOnAllInstances;
  28
  29
  30     public RegisterChangeListener(YangInstanceIdentifier path,
  31         ActorRef dataChangeListener,
  32         AsyncDataBroker.DataChangeScope scope, boolean registerOnAllInstances) {
  33         this.path = path;
  34         this.dataChangeListener = dataChangeListener;
  35         this.scope = scope;
  36         this.registerOnAllInstances = registerOnAllInstances;
  37     }
  38
  39     @Override
  40     public YangInstanceIdentifier getPath() {
  41         return path;
  42     }
  43
  44
  45     public AsyncDataBroker.DataChangeScope getScope() {
  46         return scope;
  47     }
  48
  49     public ActorPath getDataChangeListenerPath() {
  50         return dataChangeListener.path();
  51     }
  52
  53     @Override
  54     public boolean isRegisterOnAllInstances() {
  55         return registerOnAllInstances;
  56     }
  57
  58     @Override
  59     public ListenerRegistrationMessages.RegisterChangeListener toSerializable() {
  60       return ListenerRegistrationMessages.RegisterChangeListener.newBuilder()
  61           .setInstanceIdentifierPath(InstanceIdentifierUtils.toSerializable(path))
  62           .setDataChangeListenerActorPath(Serialization.serializedActorPath(dataChangeListener))
  63           .setDataChangeScope(scope.ordinal()).setRegisterOnAllInstances(registerOnAllInstances).build();
  64     }
  65
  66   public static RegisterChangeListener fromSerializable(ActorSystem actorSystem, Object serializable){
  67     ListenerRegistrationMessages.RegisterChangeListener o = (ListenerRegistrationMessages.RegisterChangeListener) serializable;
  68     return new RegisterChangeListener(InstanceIdentifierUtils.fromSerializable(o.getInstanceIdentifierPath()),
  69                                                 actorSystem.provider().resolveActorRef(o.getDataChangeListenerActorPath()),
  70                                               AsyncDataBroker.DataChangeScope.values()[o.getDataChangeScope()], o.getRegisterOnAllInstances());
  71   }
  72
  73
  74 }