+ /**
+ * Finds a local shard async given its shard name and return a Future from which to obtain the
+ * ActorRef.
+ *
+ * @param shardName the name of the local shard that needs to be found
+ */
+ public Future<ActorRef> findLocalShardAsync( final String shardName, Timeout timeout) {
+ Future<Object> future = executeOperationAsync(shardManager,
+ new FindLocalShard(shardName, true), timeout);
+
+ return future.map(new Mapper<Object, ActorRef>() {
+ @Override
+ public ActorRef checkedApply(Object response) throws Throwable {
+ if(response instanceof LocalShardFound) {
+ LocalShardFound found = (LocalShardFound)response;
+ LOG.debug("Local shard found {}", found.getPath());
+ return found.getPath();
+ } else if(response instanceof ActorNotInitialized) {
+ throw new NotInitializedException(
+ String.format("Found local shard for %s but it's not initialized yet.",
+ shardName));
+ } else if(response instanceof LocalShardNotFound) {
+ throw new LocalShardNotFoundException(
+ String.format("Local shard for %s does not exist.", shardName));
+ }
+
+ throw new UnknownMessageException(String.format(
+ "FindLocalShard returned unkown response: %s", response));
+ }
+ }, getActorSystem().dispatcher());
+ }