2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.controller.cluster.datastore;
10 import akka.actor.ActorSystem;
11 import org.opendaylight.controller.cluster.ActorSystemProvider;
12 import org.opendaylight.controller.cluster.databroker.ClientBackedDataStore;
13 import org.opendaylight.controller.cluster.datastore.config.Configuration;
14 import org.opendaylight.controller.cluster.datastore.config.ConfigurationImpl;
15 import org.opendaylight.controller.cluster.datastore.persisted.DatastoreSnapshot;
16 import org.opendaylight.controller.sal.core.api.model.SchemaService;
17 import org.osgi.framework.BundleContext;
18 import org.slf4j.Logger;
19 import org.slf4j.LoggerFactory;
21 public class DistributedDataStoreFactory {
22 private static final Logger LOG = LoggerFactory.getLogger(DistributedDataStoreFactory.class);
24 public static AbstractDataStore createInstance(final SchemaService schemaService,
25 final DatastoreContext initialDatastoreContext, final DatastoreSnapshotRestore datastoreSnapshotRestore,
26 final ActorSystemProvider actorSystemProvider, final BundleContext bundleContext) {
28 final String datastoreName = initialDatastoreContext.getDataStoreName();
29 LOG.info("Create data store instance of type : {}", datastoreName);
31 final ActorSystem actorSystem = actorSystemProvider.getActorSystem();
32 final DatastoreSnapshot restoreFromSnapshot = datastoreSnapshotRestore.getAndRemove(datastoreName);
33 final DatastoreContextIntrospector introspector = new DatastoreContextIntrospector(initialDatastoreContext);
34 final DatastoreContextConfigAdminOverlay overlay = new DatastoreContextConfigAdminOverlay(
35 introspector, bundleContext);
37 final Configuration config = new ConfigurationImpl("module-shards.conf", "modules.conf");
38 final ClusterWrapper clusterWrapper = new ClusterWrapperImpl(actorSystem);
39 final DatastoreContextFactory contextFactory = introspector.newContextFactory();
41 // This is the potentially-updated datastore context, distinct from the initial one
42 final DatastoreContext datastoreContext = contextFactory.getBaseDatastoreContext();
44 final AbstractDataStore dataStore;
45 if (datastoreContext.isUseTellBasedProtocol()) {
46 dataStore = new ClientBackedDataStore(actorSystem, clusterWrapper, config, contextFactory,
48 LOG.info("Data store {} is using tell-based protocol", datastoreName);
50 dataStore = new DistributedDataStore(actorSystem, clusterWrapper, config, contextFactory,
52 LOG.info("Data store {} is using ask-based protocol", datastoreName);
55 overlay.setListener(dataStore);
57 schemaService.registerSchemaContextListener(dataStore);
59 dataStore.setCloseable(overlay);
60 dataStore.waitTillReady();