opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardDataTreeNotificationPublisherActor.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.Props;
  11 import org.opendaylight.controller.cluster.common.actor.AbstractUntypedActor;
  12 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
  13
  14 /**
  15  * Actor used to generate and publish data tree notifications. This is used to offload the potentially
  16  * expensive notification generation from the Shard actor.
  17  *
  18  * @author Thomas Pantelis
  19  */
  20 public class ShardDataTreeNotificationPublisherActor extends AbstractUntypedActor {
  21
  22     @Override
  23     protected void handleReceive(Object message) {
  24         if(message instanceof PublishNotifications) {
  25             ((PublishNotifications)message).publish();
  26         }
  27     }
  28
  29     static Props props() {
  30         return Props.create(ShardDataTreeNotificationPublisherActor.class);
  31     }
  32
  33     static class PublishNotifications {
  34         private final ShardDataTreeNotificationPublisher publisher;
  35         private final DataTreeCandidate candidate;
  36         private final String logContext;
  37
  38         PublishNotifications(ShardDataTreeNotificationPublisher publisher, DataTreeCandidate candidate,
  39                 String logContext) {
  40             this.publisher = publisher;
  41             this.candidate = candidate;
  42             this.logContext = logContext;
  43         }
  44
  45         private void publish() {
  46             publisher.publishChanges(candidate, logContext);
  47         }
  48     }
  49 }