+ private static final Logger LOG = LoggerFactory.getLogger(DistributedDataStore.class);
+ private static final String UNKNOWN_TYPE = "unknown";
+
+ private static final long READY_WAIT_FACTOR = 3;
+
+ private final ActorContext actorContext;
+ private final long waitTillReadyTimeInMillis;
+
+
+ private AutoCloseable closeable;
+
+ private DatastoreConfigurationMXBeanImpl datastoreConfigMXBean;
+
+ private DatastoreInfoMXBeanImpl datastoreInfoMXBean;
+
+ private final CountDownLatch waitTillReadyCountDownLatch = new CountDownLatch(1);
+
+ private final String type;
+
+ public DistributedDataStore(ActorSystem actorSystem, ClusterWrapper cluster,
+ Configuration configuration, DatastoreContext datastoreContext) {
+ Preconditions.checkNotNull(actorSystem, "actorSystem should not be null");
+ Preconditions.checkNotNull(cluster, "cluster should not be null");
+ Preconditions.checkNotNull(configuration, "configuration should not be null");
+ Preconditions.checkNotNull(datastoreContext, "datastoreContext should not be null");
+
+ this.type = datastoreContext.getDataStoreType();
+
+ String shardManagerId = ShardManagerIdentifier.builder().type(type).build().toString();
+
+ LOG.info("Creating ShardManager : {}", shardManagerId);
+
+ String shardDispatcher =
+ new Dispatchers(actorSystem.dispatchers()).getDispatcherPath(Dispatchers.DispatcherType.Shard);
+
+ actorContext = new ActorContext(actorSystem, actorSystem.actorOf(
+ ShardManager.props(cluster, configuration, datastoreContext, waitTillReadyCountDownLatch)
+ .withDispatcher(shardDispatcher).withMailbox(ActorContext.MAILBOX), shardManagerId ),
+ cluster, configuration, datastoreContext);
+
+ this.waitTillReadyTimeInMillis =
+ actorContext.getDatastoreContext().getShardLeaderElectionTimeout().duration().toMillis() * READY_WAIT_FACTOR;
+
+
+ datastoreConfigMXBean = new DatastoreConfigurationMXBeanImpl(datastoreContext.getDataStoreMXBeanType());
+ datastoreConfigMXBean.setContext(datastoreContext);
+ datastoreConfigMXBean.registerMBean();
+
+ datastoreInfoMXBean = new DatastoreInfoMXBeanImpl(datastoreContext.getDataStoreMXBeanType(), actorContext);
+ datastoreInfoMXBean.registerMBean();
+ }
+
+ public DistributedDataStore(ActorContext actorContext) {
+ this.actorContext = Preconditions.checkNotNull(actorContext, "actorContext should not be null");
+ this.type = UNKNOWN_TYPE;
+ this.waitTillReadyTimeInMillis =
+ actorContext.getDatastoreContext().getShardLeaderElectionTimeout().duration().toMillis() * READY_WAIT_FACTOR;
+
+ }
+
+ public void setCloseable(AutoCloseable closeable) {
+ this.closeable = closeable;
+ }
+
+ @SuppressWarnings("unchecked")