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Scala example source code file (ActorCanReply.scala)
The Scala ActorCanReply.scala source code/* __ *\ ** ________ ___ / / ___ Scala API ** ** / __/ __// _ | / / / _ | (c) 2005-2011, LAMP/EPFL ** ** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ ** ** /____/\___/_/ |_/____/_/ | | ** ** |/ ** \* */ package scala.actors import scala.concurrent.SyncVar /** * Provides message send operations that * may result in a response from the receiver. * * @author Philipp Haller */ private[actors] trait ActorCanReply extends ReactorCanReply { this: AbstractActor with ReplyReactor => override def !?(msg: Any): Any = { val replyCh = new Channel[Any](Actor.self(scheduler)) send(msg, replyCh) replyCh.? } override def !?(msec: Long, msg: Any): Option[Any] = { val replyCh = new Channel[Any](Actor.self(scheduler)) send(msg, replyCh) replyCh.receiveWithin(msec) { case TIMEOUT => None case x => Some(x) } } override def !![A](msg: Any, handler: PartialFunction[Any, A]): Future[A] = { val c = new Channel[A](Actor.self(scheduler)) val fun = (res: SyncVar[A]) => { val ftch = new Channel[A](Actor.self(scheduler)) send(msg, new OutputChannel[Any] { def !(msg: Any) = ftch ! handler(msg) def send(msg: Any, replyTo: OutputChannel[Any]) = ftch.send(handler(msg), replyTo) def forward(msg: Any) = ftch.forward(handler(msg)) def receiver = ftch.receiver }) ftch.react { case any => res.set(any) } } val a = new FutureActor[A](fun, c) a.start() a } override def !!(msg: Any): Future[Any] = { val noTransform: PartialFunction[Any, Any] = { case x => x } this !! (msg, noTransform) } } Other Scala examples (source code examples)Here is a short list of links related to this Scala ActorCanReply.scala source code file: |
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