scala.actors.CanReply.scala Maven / Gradle / Ivy
/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2005-2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
package scala.actors
import scala.language.higherKinds
/**
* Defines result-bearing message send operations.
*
* @author Philipp Haller
*
* @define actor `CanReply`
*/
@deprecated("Use the akka.actor package instead. For migration from the scala.actors package refer to the Actors Migration Guide.", "2.11.0")
trait CanReply[-T, +R] {
type Future[+P] <: () => P
/**
* Sends `msg` to this $actor and awaits reply (synchronous).
*
* @param msg the message to be sent
* @return the reply
*/
def !?(msg: T): R
/**
* Sends `msg` to this $actor and awaits reply (synchronous) within
* `msec` milliseconds.
*
* @param msec the time span before timeout
* @param msg the message to be sent
* @return `None` in case of timeout, otherwise
* `Some(x)` where `x` is the reply
*/
def !?(msec: Long, msg: T): Option[R]
/**
* Sends `msg` to this $actor and immediately returns a future representing
* the reply value.
*
* @param msg the message to be sent
* @return the future
*/
def !!(msg: T): Future[R]
/**
* Sends `msg` to this $actor and immediately returns a future representing
* the reply value. The reply is post-processed using the partial function
* `handler`. This also allows to recover a more precise type for the reply
* value.
*
* @param msg the message to be sent
* @param handler the function to be applied to the response
* @return the future
*/
def !: Future[P]
}