/** * Copyright (C) 2009-2012 Typesafe Inc. */ package docs.transactor; //#class import akka.actor.ActorRef; public class Increment { private ActorRef friend = null; public Increment() {} public Increment(ActorRef friend) { this.friend = friend; } public boolean hasFriend() { return friend != null; } public ActorRef getFriend() { return friend; } } //#class