@Override
public void onReceive(Object message) {
if (message instanceof TransformationJob) {
TransformationJob job = (TransformationJob) message;
getSender().tell(new TransformationResult(job.getText().toUpperCase()),
getSelf());
} else if (message instanceof CurrentClusterState) {
CurrentClusterState state = (CurrentClusterState) message;
for (Member member : state.getMembers()) {