package org.opendaylight.controller.cluster.datastore;
import akka.actor.ActorSystem;
+import akka.actor.Props;
+import akka.osgi.BundleDelegatingClassLoader;
+import com.typesafe.config.ConfigFactory;
+import org.opendaylight.controller.cluster.datastore.config.ConfigurationReader;
import org.opendaylight.controller.cluster.datastore.shardstrategy.ShardStrategyFactory;
import org.opendaylight.controller.sal.core.api.model.SchemaService;
+import org.osgi.framework.BundleContext;
+
+import java.util.concurrent.atomic.AtomicReference;
public class DistributedDataStoreFactory {
- public static DistributedDataStore createInstance(String name, SchemaService schemaService){
- ActorSystem actorSystem = ActorSystemFactory.getInstance();
+
+ public static final String ACTOR_SYSTEM_NAME = "opendaylight-cluster-data";
+
+ public static final String CONFIGURATION_NAME = "odl-cluster-data";
+
+ private static AtomicReference<ActorSystem> persistentActorSystem = new AtomicReference<>();
+
+ public static DistributedDataStore createInstance(String name, SchemaService schemaService,
+ DatastoreContext datastoreContext, BundleContext bundleContext) {
+
+ ActorSystem actorSystem = getOrCreateInstance(bundleContext, datastoreContext.getConfigurationReader());
Configuration config = new ConfigurationImpl("module-shards.conf", "modules.conf");
final DistributedDataStore dataStore =
- new DistributedDataStore(actorSystem, name, new ClusterWrapperImpl(actorSystem),config );
- ShardStrategyFactory.setConfiguration(config);
- schemaService
- .registerSchemaContextListener(dataStore);
+ new DistributedDataStore(actorSystem, name, new ClusterWrapperImpl(actorSystem),
+ config, datastoreContext);
+
+ ShardStrategyFactory.setConfiguration(config);
+ schemaService.registerSchemaContextListener(dataStore);
return dataStore;
+ }
+
+ synchronized private static final ActorSystem getOrCreateInstance(final BundleContext bundleContext, ConfigurationReader configurationReader) {
+
+ AtomicReference<ActorSystem> actorSystemReference = persistentActorSystem;
+ String configurationName = CONFIGURATION_NAME;
+ String actorSystemName = ACTOR_SYSTEM_NAME;
+
+ if (actorSystemReference.get() != null){
+ return actorSystemReference.get();
+ }
+ // Create an OSGi bundle classloader for actor system
+ BundleDelegatingClassLoader classLoader = new BundleDelegatingClassLoader(bundleContext.getBundle(),
+ Thread.currentThread().getContextClassLoader());
+
+ ActorSystem system = ActorSystem.create(actorSystemName,
+ ConfigFactory.load(configurationReader.read()).getConfig(configurationName), classLoader);
+ system.actorOf(Props.create(TerminationMonitor.class), "termination-monitor");
+
+ actorSystemReference.set(system);
+ return system;
}
+
}