How to write a timer actor in Scala?

Question

I need an actor to send a message every minute. How do I best achieve this behaviour? I am afraid of using java.lang.Thread.sleep(long millis) as a thread can b

Answer 1

Or as @Daniel mentioned, here a running example:

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

class TimerActor(val timeout: Long,val who: Actor,val reply: Any) extends Actor {
  def act {
    loop {
      reactWithin(timeout) {
        case TIMEOUT => who ! reply
      }
    }
  }
}

val a = actor {
  loop {
    react {
      case x => println(x)
    }
  }
}

val t = new TimerActor(1000, a, "Go for it")

a.start
t.start