throw new NullPointerException();
_linkFactory = linkFactory;
_actor = actor;
PassthroughBroker inboundBroker = new PassthroughBroker();
PassthroughBroker outboundBroker = new PassthroughBroker();
Actor inboundStream = actor.getActor();
SimpleActorSender sender = new SimpleActorSender(inboundStream,
outboundBroker);
_sender = sender;
Mailbox inboundMailbox = createInboundMailbox(sender.getActor(),
outboundBroker);
inboundBroker.setMailbox(inboundMailbox);
MessageStream outboundStream
= new OutboundMessageStream(_linkFactory, inboundBroker);
Mailbox outboundMailbox = createOutboundMailbox(outboundStream,
inboundBroker);
outboundBroker.setMailbox(outboundMailbox);
actor.setMailbox(inboundMailbox);
actor.setBroker(outboundBroker);
_outboundBroker = outboundBroker;