我想避免一纸空文消息到终止演员和避免发送消息到演员检查演员的终止和避免发送消息到演员
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没有工作,最后从平发送的消息还是结束到死字母:
[INFO] [2016年9月16日00:47:46.237] [MyActorSystem-akka.actor.default-调度-4] [阿卡://MyActorSystem/user/pingActor/pongActor]消息 [com.example演员[演员:// MyActorSystem/user/pingActor/pongActor#524615423]并非 已发送。演员[演员:// MyActorSystem/user/pingActor#1697177867]演员[PingActor $ PingMessage] 演员[akka: [1]遇到了死信。此日志记录可以关闭 或使用配置设置'akka.log-dead-letters' 和'akka.log-dead-letters-during-shutdown'进行调整。