Created
September 21, 2009 14:38
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import scala.actors.Actor | |
import scala.actors.Actor._ | |
case object Ping | |
case object Pong | |
case object Stop | |
class Ping(count: Int, pong: Actor) extends Actor { | |
def act() { | |
var pingsLeft = count - 1 | |
pong ! Ping | |
loop { | |
react { | |
case Pong => | |
if (pingsLeft % 1000 == 0) | |
Console.println("Ping: pong") | |
if (pingsLeft > 0) { | |
pong ! Ping | |
pingsLeft -= 1 | |
} else { | |
Console.println("Ping: stop") | |
pong ! Stop | |
exit() | |
} | |
} | |
} | |
} | |
} | |
class Pong extends Actor { | |
def act() { | |
var pongCount = 0 | |
loop { | |
react { | |
case Ping => | |
if (pongCount % 1000 == 0) | |
Console.println("Pong: ping " + pongCount) | |
sender ! Pong | |
pongCount += 1 | |
case Stop => | |
Console.println("Pong: stop") | |
exit() | |
} | |
} | |
} | |
} | |
object pingpong extends Application { | |
val pong = new Pong | |
val ping = new Ping(100000, pong) | |
ping.start | |
pong.start | |
} |
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