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 akka.actor.ActorRef;
  12 import akka.actor.Props;
  13 import com.google.common.base.Optional;
  14 import java.util.function.Consumer;
  15 import javax.annotation.concurrent.NotThreadSafe;
  16 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
  17 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener;
  18 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  19 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  20 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  21 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
  22
  23 /**
  24  * Implementation of ShardDataChangeListenerPublisher that offloads the generation and publication
  25  * of data change notifications to an actor.
  26  *
  27  * @author Thomas Pantelis
  28  */
  29 @NotThreadSafe
  30 class ShardDataChangeListenerPublisherActorProxy extends AbstractShardDataTreeNotificationPublisherActorProxy
  31         implements ShardDataChangeListenerPublisher {
  32
  33     ShardDataChangeListenerPublisherActorProxy(ActorContext actorContext, String actorName, String logContext) {
  34         super(actorContext, actorName, logContext);
  35     }
  36
  37     @Override
  38     public void registerDataChangeListener(YangInstanceIdentifier path,
  39             AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>> listener, DataChangeScope scope,
  40             Optional<DataTreeCandidate> initialState,
  41             Consumer<ListenerRegistration<AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>>>>
  42                 onRegistration) {
  43         notifierActor().tell(new ShardDataChangePublisherActor.RegisterListener(path, listener, scope, initialState,
  44                 onRegistration), ActorRef.noSender());
  45     }
  46
  47     @Override
  48     protected Props props() {
  49         return ShardDataChangePublisherActor.props(actorName(), logContext());
  50     }
  51 }