我想避免一紙空文消息到終止演員和避免發送消息到演員檢查演員的終止和避免發送消息到演員
class PingActor extends Actor with ActorLogging {
import PingActor._
var counter = 0
var sendMessages = true
val pongActor = context.actorOf(PongActor.props, "pongActor")
context.watch(pongActor)
def receive = {
case Terminated(pong) =>
sendMessages = false
case Initialize =>
println("In PingActor - starting ping-pong")
pongActor ! PingMessage("ping")
case PongActor.PongMessage(text) =>
println("In PingActor - received message: {}", text)
counter += 1
if (counter == 10) context.system.shutdown()
else {
context.actorSelection(pongActor.path) ! PingMessage("ping")
}
}
}
class PongActor extends Actor with ActorLogging {
import PongActor._
var counter = 0
def receive = {
case PingActor.PingMessage(text) =>
println(s"In PongActor - received message: $text counter = $counter \n reply with pong message")
if (counter < 5) {
counter = counter + 1
}
else
{
println("Oh crap , bye bye ")
context.stop(self)
}
sender() ! PongMessage("pong")
}
如我所料的actorSelection沒有工作,最後從平發送的消息還是結束到死字母:
[INFO] [2016年9月16日00:47:46.237] [MyActorSystem-akka.actor.default-調度-4] [阿卡://MyActorSystem/user/pingActor/pongActor]消息 [com.example演員[演員:// MyActorSystem/user/pingActor/pongActor#524615423]並非 已發送。演員[演員:// MyActorSystem/user/pingActor#1697177867]演員[PingActor $ PingMessage] 演員[akka: [1]遇到了死信。此日誌記錄可以關閉 或使用配置設置'akka.log-dead-letters' 和'akka.log-dead-letters-during-shutdown'進行調整。