Scala example source code file (channels.scala)

This example Scala source code file (channels.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

application, ch1, ch2, ch2, channel, channel, ich1, ich2, ich2, int, msg, msg

The Scala channels.scala source code

package examples.actors

import scala.actors._
import scala.actors.Actor._

object channels extends Application {
  case class Msg(ch1: Channel[Int], ch2: Channel[String])

  val a = actor {
    val Ch1 = new Channel[Int]
    val Ch2 = new Channel[String]

    b ! Msg(Ch1, Ch2)

    val ICh1 = Ch1.asInstanceOf[InputChannel[Int]]
    val ICh2 = Ch2.asInstanceOf[InputChannel[String]]

    react {
      case ICh1 ! (x: Int) =>
        val r = x + 21
        println("result: "+r)
      case ICh2 ! y =>
        println("received: "+y)
    }
  }

  val b = actor {
    react {
      case Msg(ch1, ch2) => ch1 ! 21
    }
  }
}