opendaylight/netconf/netconf-topology/src/main/java/org/opendaylight/netconf/topology/pipeline/MasterSourceProviderImpl.java

   1 /*
   2  * Copyright (c) 2015 Cisco 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.netconf.topology.pipeline;
   9
  10 import akka.actor.ActorRef;
  11 import akka.actor.ActorSystem;
  12 import akka.actor.PoisonPill;
  13 import akka.actor.TypedActor;
  14 import akka.cluster.Cluster;
  15 import akka.cluster.Member;
  16 import java.util.Set;
  17 import org.opendaylight.controller.cluster.schema.provider.impl.RemoteYangTextSourceProviderImpl;
  18 import org.opendaylight.netconf.topology.pipeline.messages.AnnounceClusteredDeviceSourcesResolverUp;
  19 import org.opendaylight.netconf.topology.pipeline.messages.AnnounceMasterOnSameNodeUp;
  20 import org.opendaylight.netconf.topology.pipeline.messages.AnnounceMasterSourceProviderUp;
  21 import org.opendaylight.yangtools.yang.model.repo.api.SchemaRepository;
  22 import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25
  26 public class MasterSourceProviderImpl extends RemoteYangTextSourceProviderImpl
  27         implements MasterSourceProvider {
  28
  29     private static Logger LOG = LoggerFactory.getLogger(MasterSourceProviderImpl.class);
  30
  31     private final ActorSystem actorSystem;
  32     private final String topologyId;
  33     private final String nodeId;
  34
  35     public MasterSourceProviderImpl(SchemaRepository schemaRepo, Set<SourceIdentifier> providedSources, ActorSystem actorSystem, String topologyId, String nodeId) {
  36         super(schemaRepo, providedSources);
  37         this.actorSystem = actorSystem;
  38         this.topologyId = topologyId;
  39         this.nodeId = nodeId;
  40     }
  41
  42     @Override
  43     public void onReceive(Object o, ActorRef actorRef) {
  44         if(o instanceof AnnounceClusteredDeviceSourcesResolverUp) {
  45             LOG.debug("Received source resolver up");
  46             actorRef.tell(new AnnounceMasterSourceProviderUp(), TypedActor.context().self());
  47         }
  48     }
  49
  50     @Override
  51     public void preStart() {
  52         Cluster cluster = Cluster.get(actorSystem);
  53         cluster.join(cluster.selfAddress());
  54         LOG.debug("Notifying members master schema source provider is up.");
  55         for(Member node : cluster.state().getMembers()) {
  56             final String path = node.address() + "/user/" + topologyId + "/" + nodeId + "/clusteredDeviceSourcesResolver";
  57             if(node.address().equals(cluster.selfAddress())) {
  58                 actorSystem.actorSelection(path).tell(new AnnounceMasterOnSameNodeUp(), TypedActor.context().self());
  59                 actorSystem.actorSelection(path).tell(PoisonPill.getInstance(), TypedActor.context().self());
  60             } else {
  61                 //TODO extract string constant to util class
  62                 actorSystem.actorSelection(path).tell(new AnnounceMasterSourceProviderUp(), TypedActor.context().self());
  63             }
  64         }
  65     }
  66 }