opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/akka/impl/ActorSystemProviderImpl.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.akka.impl;
   9
  10 import akka.actor.ActorSystem;
  11 import akka.actor.Props;
  12 import com.typesafe.config.Config;
  13 import java.util.concurrent.TimeUnit;
  14 import org.opendaylight.controller.cluster.ActorSystemProvider;
  15 import org.opendaylight.controller.cluster.ActorSystemProviderListener;
  16 import org.opendaylight.controller.cluster.common.actor.QuarantinedMonitorActor;
  17 import org.opendaylight.controller.cluster.datastore.TerminationMonitor;
  18 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  19 import org.opendaylight.yangtools.util.ListenerRegistry;
  20 import org.slf4j.Logger;
  21 import org.slf4j.LoggerFactory;
  22 import scala.concurrent.Await;
  23 import scala.concurrent.duration.Duration;
  24
  25 public class ActorSystemProviderImpl implements ActorSystemProvider, AutoCloseable {
  26     private static final String ACTOR_SYSTEM_NAME = "opendaylight-cluster-data";
  27     static final Logger LOG = LoggerFactory.getLogger(ActorSystemProviderImpl.class);
  28     private final ActorSystem actorSystem;
  29     private final ListenerRegistry<ActorSystemProviderListener> listeners = new ListenerRegistry<>();
  30
  31     public ActorSystemProviderImpl(
  32             final ClassLoader classLoader, final Props quarantinedMonitorActorProps, final Config akkaConfig) {
  33         LOG.info("Creating new ActorSystem");
  34
  35         actorSystem = ActorSystem.create(ACTOR_SYSTEM_NAME, akkaConfig, classLoader);
  36
  37         actorSystem.actorOf(Props.create(TerminationMonitor.class), TerminationMonitor.ADDRESS);
  38         actorSystem.actorOf(quarantinedMonitorActorProps, QuarantinedMonitorActor.ADDRESS);
  39     }
  40
  41     @Override
  42     public ActorSystem getActorSystem() {
  43         return actorSystem;
  44     }
  45
  46     @Override
  47     public ListenerRegistration<ActorSystemProviderListener> registerActorSystemProviderListener(
  48             final ActorSystemProviderListener listener) {
  49         return listeners.register(listener);
  50     }
  51
  52     @Override
  53     @SuppressWarnings("checkstyle:IllegalCatch")
  54     public void close() {
  55         LOG.info("Shutting down ActorSystem");
  56
  57         try {
  58             Await.result(actorSystem.terminate(), Duration.create(10, TimeUnit.SECONDS));
  59         } catch (final Exception e) {
  60             LOG.warn("Error awaiting actor termination", e);
  61         }
  62     }
  63 }