/*
* Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* 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 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 org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class DistributedDataStoreFactory {
private static final Logger LOG = LoggerFactory.getLogger(DistributedDataStoreFactory.class);
public static AbstractDataStore createInstance(final SchemaService schemaService,
final DatastoreContext initialDatastoreContext, final DatastoreSnapshotRestore datastoreSnapshotRestore,
final ActorSystemProvider actorSystemProvider, final BundleContext bundleContext) {
final String datastoreName = initialDatastoreContext.getDataStoreName();
LOG.info("Create data store instance of type : {}", datastoreName);
final ActorSystem actorSystem = actorSystemProvider.getActorSystem();
final DatastoreSnapshot restoreFromSnapshot = datastoreSnapshotRestore.getAndRemove(datastoreName);
final DatastoreContextIntrospector introspector = new DatastoreContextIntrospector(initialDatastoreContext);
final DatastoreContextConfigAdminOverlay overlay = new DatastoreContextConfigAdminOverlay(
introspector, bundleContext);
final Configuration config = new ConfigurationImpl("module-shards.conf", "modules.conf");
final ClusterWrapper clusterWrapper = new ClusterWrapperImpl(actorSystem);
final DatastoreContextFactory contextFactory = introspector.newContextFactory();
// This is the potentially-updated datastore context, distinct from the initial one
final DatastoreContext datastoreContext = contextFactory.getBaseDatastoreContext();
final AbstractDataStore dataStore;
if (datastoreContext.isUseTellBasedProtocol()) {
dataStore = new ClientBackedDataStore(actorSystem, clusterWrapper, config, contextFactory,
restoreFromSnapshot);
LOG.info("Data store {} is using tell-based protocol", datastoreName);
} else {
dataStore = new DistributedDataStore(actorSystem, clusterWrapper, config, contextFactory,
restoreFromSnapshot);
LOG.info("Data store {} is using ask-based protocol", datastoreName);
}
overlay.setListener(dataStore);
schemaService.registerSchemaContextListener(dataStore);
dataStore.setCloseable(overlay);
dataStore.waitTillReady();
return dataStore;
}
}