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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.
* <p/>
*
* If invoked from within an actor then the actor reference is implicitly passed on as the implicit 'sender' argument.
* <p/>
*
* 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.
* <pre>
* actor ! message
* </pre>
* <p/>
*/
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.
* <p/>
* 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.
*/
@deprecated("Use the akka.actor package instead. For migration from the scala.actors package refer to the Actors Migration Guide.", "2.11.0")
class AskTimeoutException(message: String, cause: Throwable) extends TimeoutException {
def this(message: String) = this(message, null: Throwable)
}
@deprecated("Use the akka.actor package instead. For migration from the scala.actors package refer to the Actors Migration Guide.", "2.11.0")
object PoisonPill
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