/** * Copyright (C) 2009-2013 Typesafe Inc. */ package docs.actor.japi; import akka.actor.UntypedActor; import java.io.Serializable; //#greeter public class Greeter extends UntypedActor { public static enum Msg { GREET, DONE; } @Override public void onReceive(Object msg) { if (msg == Msg.GREET) { System.out.println("Hello World!"); getSender().tell(Msg.DONE, getSelf()); } else unhandled(msg); } } //#greeter