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package scala.actors

import java.util.concurrent.TimeoutException
import scala.concurrent.duration.Duration

/**
 * Trait used for migration of Scala actors to Akka.
 */
@deprecated("ActorRef ought to be used only with the Actor Migration Kit.", "2.10.0")
trait ActorRef {

  /**
   * Sends a one-way asynchronous message. E.g. fire-and-forget semantics.
   * 

* * If invoked from within an actor then the actor reference is implicitly passed on as the implicit 'sender' argument. *

* * This actor 'sender' reference is then available in the receiving actor in the 'sender' member variable, * if invoked from within an Actor. If not then no sender is available. *

   *   actor ! message
   * 
*

*/ def !(message: Any)(implicit sender: ActorRef = null): Unit /** * Sends a message asynchronously, returning a future which may eventually hold the reply. */ private[actors] def ?(message: Any, timeout: Duration): scala.concurrent.Future[Any] /** * Forwards the message and passes the original sender actor as the sender. *

* Works with '!' and '?'. */ def forward(message: Any) private[actors] def localActor: AbstractActor } /** * This is what is used to complete a Future that is returned from an ask/? call, * when it times out. */ class AskTimeoutException(message: String, cause: Throwable) extends TimeoutException { def this(message: String) = this(message, null: Throwable) } object PoisonPill





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