opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardDataChangeListenerPublisherActorProxy.java

   1 /*
   2  * Copyright (c) 2016 Brocade Communications 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 package org.opendaylight.controller.cluster.datastore;
   9
  10 import akka.actor.ActorContext;
  11 import javax.annotation.concurrent.NotThreadSafe;
  12 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
  13 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener;
  14 import org.opendaylight.controller.md.sal.dom.store.impl.DataChangeListenerRegistration;
  15 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  16 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  17
  18 /**
  19  * Implementation of ShardDataChangeListenerPublisher that offloads the generation and publication
  20  * of data change notifications to an actor.
  21  *
  22  * @author Thomas Pantelis
  23  */
  24 @NotThreadSafe
  25 class ShardDataChangeListenerPublisherActorProxy extends AbstractShardDataTreeNotificationPublisherActorProxy
  26         implements ShardDataChangeListenerPublisher {
  27
  28     private final ShardDataChangeListenerPublisher delegatePublisher = new DefaultShardDataChangeListenerPublisher();
  29
  30     ShardDataChangeListenerPublisherActorProxy(ActorContext actorContext, String actorName) {
  31         super(actorContext, actorName);
  32     }
  33
  34     private ShardDataChangeListenerPublisherActorProxy(ShardDataChangeListenerPublisherActorProxy other) {
  35         super(other);
  36     }
  37
  38     @Override
  39     public <L extends AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>>> DataChangeListenerRegistration<L> registerDataChangeListener(
  40             YangInstanceIdentifier path, L listener, DataChangeScope scope) {
  41         return delegatePublisher.registerDataChangeListener(path, listener, scope);
  42     }
  43
  44     @Override
  45     public ShardDataChangeListenerPublisher newInstance() {
  46         return new ShardDataChangeListenerPublisherActorProxy(this);
  47     }
  48
  49     @Override
  50     protected ShardDataTreeNotificationPublisher getDelegatePublisher() {
  51         return delegatePublisher;
  52     }
  53 }