actors-example.scala

class BadActor extends Actor {
  def recieve = {
    case Process(id: Int) => process(id)
  }

  private def process(id: Int) = {
    val result = SomeService.get(id)
    result onComplete { value =>
      sender ! value
    }
  }
}

class GoodActor extends Actor {
  def receive = {
    case Process(id: Int) = process(id).map(sender ! _)
  }

  def process(id: Int): Future[String] =
    SomeService.get(id)
}