opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardDataTreeChangeListenerPublisherActorProxy.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.dom.api.DOMDataTreeChangeListener;
  17 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  18 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  19 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
  20
  21 /**
  22  * Implementation of ShardDataTreeChangeListenerPublisher that offloads the generation and publication
  23  * of data tree change notifications to an actor.
  24  *
  25  * @author Thomas Pantelis
  26  */
  27 @NotThreadSafe
  28 class ShardDataTreeChangeListenerPublisherActorProxy extends AbstractShardDataTreeNotificationPublisherActorProxy
  29         implements ShardDataTreeChangeListenerPublisher {
  30
  31     ShardDataTreeChangeListenerPublisherActorProxy(ActorContext actorContext, String actorName, String logContext) {
  32         super(actorContext, actorName, logContext);
  33     }
  34
  35     @Override
  36     public void registerTreeChangeListener(YangInstanceIdentifier treeId,
  37             DOMDataTreeChangeListener listener, Optional<DataTreeCandidate> currentState,
  38             Consumer<ListenerRegistration<DOMDataTreeChangeListener>> onRegistration) {
  39         final ShardDataTreeChangePublisherActor.RegisterListener regMessage =
  40                 new ShardDataTreeChangePublisherActor.RegisterListener(treeId, listener, currentState, onRegistration);
  41         log.debug("{}: Sending {} to publisher actor {}", logContext(), regMessage, publisherActor());
  42         publisherActor().tell(regMessage, ActorRef.noSender());
  43     }
  44
  45     @Override
  46     protected Props props() {
  47         return ShardDataTreeChangePublisherActor.props(actorName(), logContext());
  48     }
  49 }