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.mdsal.dom.api.DOMSchemaService;
17 import org.slf4j.Logger;
18 import org.slf4j.LoggerFactory;
20 public final class DistributedDataStoreFactory {
22 private static final Logger LOG = LoggerFactory.getLogger(DistributedDataStoreFactory.class);
23 private static final String DEFAULT_MODULE_SHARDS_PATH = "./configuration/initial/module-shards.conf";
24 private static final String DEFAULT_MODULES_PATH = "./configuration/initial/modules.conf";
26 private DistributedDataStoreFactory() {
29 public static AbstractDataStore createInstance(final DOMSchemaService schemaService,
30 final DatastoreContext initialDatastoreContext, final DatastoreSnapshotRestore datastoreSnapshotRestore,
31 final ActorSystemProvider actorSystemProvider, final DatastoreContextIntrospector introspector,
32 final DatastoreContextPropertiesUpdater updater) {
33 return createInstance(schemaService, initialDatastoreContext, datastoreSnapshotRestore, actorSystemProvider,
34 introspector, updater, null);
37 public static AbstractDataStore createInstance(final DOMSchemaService schemaService,
38 final DatastoreContext initialDatastoreContext, final DatastoreSnapshotRestore datastoreSnapshotRestore,
39 final ActorSystemProvider actorSystemProvider, final DatastoreContextIntrospector introspector,
40 final DatastoreContextPropertiesUpdater updater, final Configuration orgConfig) {
42 final String datastoreName = initialDatastoreContext.getDataStoreName();
43 LOG.info("Create data store instance of type : {}", datastoreName);
45 final ActorSystem actorSystem = actorSystemProvider.getActorSystem();
46 final DatastoreSnapshot restoreFromSnapshot = datastoreSnapshotRestore.getAndRemove(datastoreName);
49 if (orgConfig == null) {
50 config = new ConfigurationImpl(DEFAULT_MODULE_SHARDS_PATH, DEFAULT_MODULES_PATH);
54 final ClusterWrapper clusterWrapper = new ClusterWrapperImpl(actorSystem);
55 final DatastoreContextFactory contextFactory = introspector.newContextFactory();
57 // This is the potentially-updated datastore context, distinct from the initial one
58 final DatastoreContext datastoreContext = contextFactory.getBaseDatastoreContext();
60 final AbstractDataStore dataStore;
61 if (datastoreContext.isUseTellBasedProtocol()) {
62 dataStore = new ClientBackedDataStore(actorSystem, clusterWrapper, config, contextFactory,
64 LOG.info("Data store {} is using tell-based protocol", datastoreName);
66 dataStore = new DistributedDataStore(actorSystem, clusterWrapper, config, contextFactory,
68 LOG.info("Data store {} is using ask-based protocol", datastoreName);
70 updater.setListener(dataStore);
72 schemaService.registerSchemaContextListener(dataStore);
74 dataStore.setCloseable(updater);
75 dataStore.waitTillReady();