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이것은 부모가 자식을 책임지는 AKKA의 기본 예외 처리모델과도 부합합니다.부합하며, OOP방식의 소멸순서와도 유사합니다.
다만 부모에게 발생한 예외를 자식에게 전가시키지 않습니다. ( 예외처리모델에 더 상세하게 설명)
| Code Block | ||||
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class StartStopActor1 extends Actor {
override def preStart(): Unit = {
println("first started")
context.actorOf(Props[StartStopActor2], "second")
}
override def postStop(): Unit = println("first stopped")
override def receive: Receive = {
case "stop" => context.stop(self)
}
}
class StartStopActor2 extends Actor {
override def preStart(): Unit = println("second started")
override def postStop(): Unit = println("second stopped")
// Actor.emptyBehavior is a useful placeholder when we don't
// want to handle any messages in the actor.
override def receive: Receive = Actor.emptyBehavior
}
val first = system.actorOf(Props[StartStopActor1], "first")
first ! "stop"
//OutPut
//first started
//second started
//second stopped
//first stopped |
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