【转】Akka 快速入门

原文链接  http://ibruce.info/2014/05/20/hello-akka/

 

package test.akka.hh

import akka.actor.Actor
import akka.actor.ActorSystem
import scala.concurrent.Await
import akka.actor.ActorRef
import akka.actor.Props

class Heng(name: String, ha: ActorRef) extends Actor {
  
  val selfStr = self.toString()
  
  implicit val to = akka.util.Timeout.apply(3, java.util.concurrent.TimeUnit.SECONDS)
  
  var haAR: ActorRef = null
  val haActorRefFuture = context.actorSelection("akka://HengHaSystem/user/ha").resolveOne
  val result = Await.result(haActorRefFuture, to.duration)

  def receive: Actor.Receive = {
    case "start" => ha ! "heng"
    case "ha" =>
      val from = result.toString()
      println(result)
      println(s"[$selfStr] received 哈 from[$from]")
      ha ! "heng"
    case _ => println("heng what?")
  }

}

class Ha(name: String) extends Actor {
  
  val selfStr = self.toString()
  
  def receive = {
    case "heng" =>
      val from = sender.toString()
      println(s"[$selfStr] received 哼 from[$from]")
      sender ! "ha"
    case _ => println("ha what?")
  }
}

object HengHa {

  def main(args: Array[String]): Unit = {
    test
  }

  def test = {
    val system = ActorSystem("HengHaSystem")
    val ha = system.actorOf(Props(classOf[Ha], "HA"), name = "ha")
    val heng = system.actorOf(Props(new Heng("HENG", ha)), name = "heng")

    heng ! "start"
  }

}