Scala example source code file (t3365.scala)

This example Scala source code file (t3365.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Scala tags/keywords

actor, actor, array, channel, channel, channelmsg, channelmsg, future, myactor, replyreactor, test, throwable, throwable

The Scala t3365.scala source code

import scala.actors.{ReplyReactor, Channel, Actor, Future}

case class ChannelMsg(chan: Channel[Any])

class MyActor extends Actor {
  def act() {
    try {
    val chan = new Channel[Any](this)
    loop {
      react {
        case other: ReplyReactor =>
          other ! ChannelMsg(chan)
          loop {
            chan.react {
              case 'hello =>
                reply('hello)
              case 'stop =>
                exit()
            }
          }
      }
    }
    } catch {
      case e: Throwable if !e.isInstanceOf[scala.util.control.ControlThrowable] =>
        e.printStackTrace()
    }
  }
}

object Test {
  def main(args: Array[String]) {
    val a = new MyActor
    a.start()

    val b = new Actor {
      def act() {
        try {
        react {
          case ChannelMsg(c) =>
            var i = 0
            loop {
              i += 1
              val ft: Future[Any] = c !! 'hello
              ft.inputChannel.react {
                case msg =>
                  if (i % 10000 == 0)
                    println(msg)
                  if (i >= 50000) {
                    c ! 'stop
                    exit()
                  }
              }
            }
        }
        } catch {
          case e: Throwable if !e.isInstanceOf[scala.util.control.ControlThrowable] =>
            e.printStackTrace()
        }
      }
    }
    b.start()

    a ! b
  }
}