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