How to use

instance

method

in

co.vaughnvernon.actormodel.actor.NullActorAgent

  /**
   * Constructs my default state.
   */
  private NullFuture() {
    super();

    this.nullActorAgent = NullActorAgent.instance();
  }
}

/**
 * @see co.vaughnvernon.actormodel.actor.Actor#sender()
 */
@Override
public ActorAgent sender() {
  return NullActorAgent.instance();
}

protected void sendTo(Message aMessage, boolean isForFuture) {
  ActorAgent agent = NullActorAgent.instance();
  this.sendTo(agent, aMessage, isForFuture);
}

/**
 * @see co.vaughnvernon.actormodel.actor.ActorRegistry#actorRegisteredAs(java.lang.Class, co.vaughnvernon.actormodel.actor.Address)
 */
public ActorAgent actorRegisteredAs(Class<? extends Actor> anActorType, Address anAddress) {
  ActorAgent agent = null;
  Actor actor = this.readActor(anActorType, anAddress);
  if (actor == null) {
    agent = NullActorAgent.instance();
  } else {
    agent = this.actorAgentFor(anActorType, actor);
  }
  return agent;
}

public void testCreateNullActorAgent() throws Exception {
  ActorAgent agent = NullActorAgent.instance();
  assertNotNull(agent);
}