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 java.util.Optional;
  14 import java.util.function.Consumer;
  15 import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener;
  16 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  17 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  18 import org.opendaylight.yangtools.yang.data.tree.api.DataTreeCandidate;
  19
  20 /**
  21  * Implementation of ShardDataTreeChangeListenerPublisher that offloads the generation and publication of data tree
  22  * change notifications to an actor. This class is NOT thread-safe.
  23  *
  24  * @author Thomas Pantelis
  25  */
  26 class ShardDataTreeChangeListenerPublisherActorProxy extends AbstractShardDataTreeNotificationPublisherActorProxy
  27         implements ShardDataTreeChangeListenerPublisher {
  28
  29     ShardDataTreeChangeListenerPublisherActorProxy(final ActorContext actorContext, final String actorName,
  30         final String logContext) {
  31         super(actorContext, actorName, logContext);
  32     }
  33
  34     @Override
  35     public void registerTreeChangeListener(final YangInstanceIdentifier treeId,
  36             final DOMDataTreeChangeListener listener, final Optional<DataTreeCandidate> currentState,
  37             final Consumer<ListenerRegistration<DOMDataTreeChangeListener>> onRegistration) {
  38         final ShardDataTreeChangePublisherActor.RegisterListener regMessage =
  39                 new ShardDataTreeChangePublisherActor.RegisterListener(treeId, listener, currentState, onRegistration);
  40         log.debug("{}: Sending {} to publisher actor {}", logContext(), regMessage, publisherActor());
  41         publisherActor().tell(regMessage, ActorRef.noSender());
  42     }
  43
  44     @Override
  45     protected Props props() {
  46         return ShardDataTreeChangePublisherActor.props(actorName(), logContext());
  47     }
  48 }