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

   1 /*
   2  * Copyright (c) 2015 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.entityownership;
   9
  10 import akka.actor.ActorRef;
  11 import akka.dispatch.OnComplete;
  12 import akka.util.Timeout;
  13 import java.util.concurrent.TimeUnit;
  14 import org.opendaylight.controller.cluster.datastore.DistributedDataStore;
  15 import org.opendaylight.controller.cluster.datastore.messages.CreateShard;
  16 import org.opendaylight.controller.md.sal.common.api.clustering.CandidateAlreadyRegisteredException;
  17 import org.opendaylight.controller.md.sal.common.api.clustering.Entity;
  18 import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipCandidate;
  19 import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipCandidateRegistration;
  20 import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipListener;
  21 import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipListenerRegistration;
  22 import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipService;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25 import scala.concurrent.Future;
  26
  27 /**
  28  * The distributed implementation of the EntityOwnershipService.
  29  *
  30  * @author Thomas Pantelis
  31  */
  32 public class DistributedEntityOwnershipService implements EntityOwnershipService, AutoCloseable {
  33     private static final Logger LOG = LoggerFactory.getLogger(DistributedEntityOwnershipService.class);
  34     static final String ENTITY_OWNERSHIP_SHARD_NAME = "entity-ownership";
  35     private static final Timeout MESSAGE_TIMEOUT = new Timeout(1, TimeUnit.MINUTES);
  36
  37     private final DistributedDataStore datastore;
  38
  39     public DistributedEntityOwnershipService(DistributedDataStore datastore) {
  40         this.datastore = datastore;
  41     }
  42
  43     public void start() {
  44         ActorRef shardManagerActor = datastore.getActorContext().getShardManager();
  45
  46         CreateShard createShard = new CreateShard(ENTITY_OWNERSHIP_SHARD_NAME,
  47                 datastore.getActorContext().getConfiguration().getUniqueMemberNamesForAllShards(),
  48                 new EntityOwnershipShardPropsCreator(), null);
  49
  50         Future<Object> createFuture = datastore.getActorContext().executeOperationAsync(shardManagerActor,
  51                 createShard, MESSAGE_TIMEOUT);
  52
  53         createFuture.onComplete(new OnComplete<Object>() {
  54             @Override
  55             public void onComplete(Throwable failure, Object response) {
  56                 if(failure != null) {
  57                     LOG.error("Failed to create {} shard", ENTITY_OWNERSHIP_SHARD_NAME);
  58                 } else {
  59                     LOG.info("Successfully created {} shard", ENTITY_OWNERSHIP_SHARD_NAME);
  60                 }
  61             }
  62         }, datastore.getActorContext().getClientDispatcher());
  63     }
  64
  65     @Override
  66     public EntityOwnershipCandidateRegistration registerCandidate(Entity entity, EntityOwnershipCandidate candidate)
  67             throws CandidateAlreadyRegisteredException {
  68         // TODO Auto-generated method stub
  69         return null;
  70     }
  71
  72     @Override
  73     public EntityOwnershipListenerRegistration registerListener(Entity entity, EntityOwnershipListener listener) {
  74         // TODO Auto-generated method stub
  75         return null;
  76     }
  77
  78     @Override
  79     public void close() {
  80     }
  81 }