opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/akka/osgi/impl/OSGiActorSystemProvider.java

   1 /*
   2  * Copyright (c) 2020 PANTHEON.tech, s.r.o. 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.osgi.impl;
   9
  10 import akka.actor.ActorSystem;
  11 import com.typesafe.config.Config;
  12 import java.util.concurrent.TimeoutException;
  13 import org.opendaylight.controller.cluster.ActorSystemProvider;
  14 import org.opendaylight.controller.cluster.ActorSystemProviderListener;
  15 import org.opendaylight.controller.cluster.akka.impl.ActorSystemProviderImpl;
  16 import org.opendaylight.controller.cluster.akka.impl.AkkaConfigFactory;
  17 import org.opendaylight.controller.cluster.common.actor.AkkaConfigurationReader;
  18 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  19 import org.osgi.framework.BundleContext;
  20 import org.osgi.service.component.annotations.Activate;
  21 import org.osgi.service.component.annotations.Component;
  22 import org.osgi.service.component.annotations.Deactivate;
  23 import org.osgi.service.component.annotations.Reference;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26 import scala.concurrent.Await;
  27 import scala.concurrent.duration.Duration;
  28
  29 @Component(immediate = true)
  30 public final class OSGiActorSystemProvider implements ActorSystemProvider {
  31     private static final Logger LOG = LoggerFactory.getLogger(OSGiActorSystemProvider.class);
  32
  33     @Reference
  34     AkkaConfigurationReader reader = null;
  35
  36     private ActorSystemProviderImpl delegate;
  37
  38     @Override
  39     public ActorSystem getActorSystem() {
  40         return delegate.getActorSystem();
  41     }
  42
  43     @Override
  44     public ListenerRegistration<ActorSystemProviderListener> registerActorSystemProviderListener(
  45             final ActorSystemProviderListener listener) {
  46         return delegate.registerActorSystemProviderListener(listener);
  47     }
  48
  49     @Activate
  50     void activate(final BundleContext bundleContext) {
  51         LOG.info("Actor System provider starting");
  52         final Config akkaConfig = AkkaConfigFactory.createAkkaConfig(reader);
  53         delegate = new ActorSystemProviderImpl(BundleClassLoaderFactory.createClassLoader(bundleContext),
  54             QuarantinedMonitorActorPropsFactory.createProps(bundleContext, akkaConfig), akkaConfig);
  55         LOG.info("Actor System provider started");
  56     }
  57
  58     @Deactivate
  59     void deactivate() throws TimeoutException, InterruptedException {
  60         LOG.info("Actor System provider stopping");
  61         Await.result(delegate.asyncClose(), Duration.Inf());
  62         delegate = null;
  63         LOG.info("Actor System provider stopped");
  64     }
  65 }
  66