A to B to C

gistfile1.scala

package actor.actor

import akka.actor.{Actor, FSM}
import java.util.concurrent.TimeUnit

sealed trait ExampleState
case object A extends ExampleState
case object B extends ExampleState
case object C extends ExampleState

case object Move

class ABC extends Actor with FSM[ExampleState,Unit] {

  when(A) {
    case Event(Move, _) =>
      log.info("Go to B and move on after 5 seconds")
      goto(B) until 5000
  }

  when(B) {
    case Event(StateTimeout, _) =>
      log.info("Moving to C")
      goto(C)
  }

  when(C) {
    case Event(Move, _) =>
      log.info("Stopping")
      stop
  }
  startWith(A, Unit)
}

object ABC {
  def main(args: Array[String]) {
    val abc = Actor.actorOf[ABC].start
    abc ! Move
    TimeUnit.SECONDS.sleep(6)
    abc ! Move
    System.exit(0)
  }
}