BUG-5280: add frontend state lifecycle

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / DistributedDataStoreFactory.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DistributedDataStoreFactory.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DistributedDataStoreFactory.java
index 004faf2de1a42b833877a16efdac1f35ef9c086f..8ecb1df70a0c436da6a859f0f105b5e7a2482c9c 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DistributedDataStoreFactory.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DistributedDataStoreFactory.java
@@ -5,62 +5,50 @@
  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
  * and is available at http://www.eclipse.org/legal/epl-v10.html
  */
-
 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.cluster.ActorSystemProvider;
+import org.opendaylight.controller.cluster.databroker.ClientBackedDataStore;
+import org.opendaylight.controller.cluster.datastore.config.Configuration;
+import org.opendaylight.controller.cluster.datastore.config.ConfigurationImpl;
+import org.opendaylight.controller.cluster.datastore.persisted.DatastoreSnapshot;
 import org.opendaylight.controller.sal.core.api.model.SchemaService;
 import org.osgi.framework.BundleContext;
-
-import java.util.concurrent.atomic.AtomicReference;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class DistributedDataStoreFactory {
+    private static final Logger LOG = LoggerFactory.getLogger(DistributedDataStoreFactory.class);
 
-    public static final String ACTOR_SYSTEM_NAME = "opendaylight-cluster-data";
-
-    public static final String CONFIGURATION_NAME = "odl-cluster-data";
+    public static AbstractDataStore createInstance(final SchemaService schemaService,
+            final DatastoreContext datastoreContext, final DatastoreSnapshotRestore datastoreSnapshotRestore,
+            final ActorSystemProvider actorSystemProvider, final BundleContext bundleContext) {
 
-    private static AtomicReference<ActorSystem> persistentActorSystem = new AtomicReference<>();
+        LOG.info("Create data store instance of type : {}", datastoreContext.getDataStoreName());
 
-    public static DistributedDataStore createInstance(String name, SchemaService schemaService,
-                                                      DatastoreContext datastoreContext, BundleContext bundleContext) {
+        ActorSystem actorSystem = actorSystemProvider.getActorSystem();
+        DatastoreSnapshot restoreFromSnapshot = datastoreSnapshotRestore.getAndRemove(
+                datastoreContext.getDataStoreName());
+        DatastoreContextIntrospector introspector = new DatastoreContextIntrospector(datastoreContext);
+        DatastoreContextConfigAdminOverlay overlay = new DatastoreContextConfigAdminOverlay(
+                introspector, 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, datastoreContext);
+        ClusterWrapper clusterWrapper = new ClusterWrapperImpl(actorSystem);
+        DatastoreContextFactory contextFactory = introspector.newContextFactory();
 
-        ShardStrategyFactory.setConfiguration(config);
-        schemaService.registerSchemaContextListener(dataStore);
-        return dataStore;
-    }
+        final AbstractDataStore dataStore = datastoreContext.isUseTellBasedProtocol()
+                ? new ClientBackedDataStore(actorSystem, clusterWrapper, config, contextFactory, restoreFromSnapshot) :
+                    new DistributedDataStore(actorSystem, clusterWrapper, config, contextFactory, restoreFromSnapshot);
 
-    synchronized private static final ActorSystem getOrCreateInstance(final BundleContext bundleContext, ConfigurationReader configurationReader) {
+        overlay.setListener(dataStore);
 
-        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());
+        schemaService.registerSchemaContextListener(dataStore);
 
-        ActorSystem system = ActorSystem.create(actorSystemName,
-                ConfigFactory.load(configurationReader.read()).getConfig(configurationName), classLoader);
-        system.actorOf(Props.create(TerminationMonitor.class), "termination-monitor");
+        dataStore.setCloseable(overlay);
+        dataStore.waitTillReady();
 
-        actorSystemReference.set(system);
-        return system;
+        return dataStore;
     }
-
 }