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package examples.actors
import scala.actors.Actor
import scala.actors.Actor._
case object SendPing
case object Ping
case object Pong
case object Stop
class Ping(count: int, pong: Actor) extends Actor {
def act() {
var pingsLeft = count
loop {
react {
case SendPing =>
pong ! Ping
pingsLeft = pingsLeft - 1
case Pong =>
if (pingsLeft % 1000 == 0)
Console.println("Ping: pong")
if (pingsLeft > 0)
self ! SendPing
else {
Console.println("Ping: stop")
pong ! Stop
exit('stop)
}
}
}
}
}
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 = pongCount + 1
case Stop =>
Console.println("Pong: stop")
exit('stop)
}
}
}
}
object pingpong extends Application {
val pong = new Pong
val ping = new Ping(100000, pong)
ping.start
pong.start
ping ! SendPing
}
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