trait GracefulStopSupport extends AnyRef
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- This member is added by an implicit conversion from GracefulStopSupport to any2stringadd[GracefulStopSupport] performed by method any2stringadd in scala.Predef.
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def
->[B](y: B): (GracefulStopSupport, B)
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- This member is added by an implicit conversion from GracefulStopSupport to ArrowAssoc[GracefulStopSupport] performed by method ArrowAssoc in scala.Predef.
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def
ensuring(cond: (GracefulStopSupport) ⇒ Boolean, msg: ⇒ Any): GracefulStopSupport
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- This member is added by an implicit conversion from GracefulStopSupport to Ensuring[GracefulStopSupport] performed by method Ensuring in scala.Predef.
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def
ensuring(cond: (GracefulStopSupport) ⇒ Boolean): GracefulStopSupport
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- This member is added by an implicit conversion from GracefulStopSupport to Ensuring[GracefulStopSupport] performed by method Ensuring in scala.Predef.
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def
ensuring(cond: Boolean, msg: ⇒ Any): GracefulStopSupport
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- This member is added by an implicit conversion from GracefulStopSupport to Ensuring[GracefulStopSupport] performed by method Ensuring in scala.Predef.
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def
ensuring(cond: Boolean): GracefulStopSupport
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- This member is added by an implicit conversion from GracefulStopSupport to Ensuring[GracefulStopSupport] performed by method Ensuring in scala.Predef.
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def
formatted(fmtstr: String): String
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- This member is added by an implicit conversion from GracefulStopSupport to StringFormat[GracefulStopSupport] performed by method StringFormat in scala.Predef.
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def
gracefulStop(target: ActorRef, timeout: FiniteDuration, stopMessage: Any = PoisonPill): Future[Boolean]
Returns a scala.concurrent.Future that will be completed with success (value
true
) when existing messages of the target actor has been processed and the actor has been terminated.Returns a scala.concurrent.Future that will be completed with success (value
true
) when existing messages of the target actor has been processed and the actor has been terminated.Useful when you need to wait for termination or compose ordered termination of several actors, which should only be done outside of the ActorSystem as blocking inside Actors is discouraged.
IMPORTANT NOTICE: the actor being terminated and its supervisor being informed of the availability of the deceased actor’s name are two distinct operations, which do not obey any reliable ordering. Especially the following will NOT work:
def receive = { case msg => Await.result(gracefulStop(someChild, timeout), timeout) context.actorOf(Props(...), "someChild") // assuming that that was someChild’s name, this will NOT work }
If the target actor isn't terminated within the timeout the scala.concurrent.Future is completed with failure akka.pattern.AskTimeoutException.
If you want to invoke specialized stopping logic on your target actor instead of PoisonPill, you can pass your stop command as a parameter:
gracefulStop(someChild, timeout, MyStopGracefullyMessage).onComplete { // Do something after someChild being stopped }
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wait(): Unit
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def
→[B](y: B): (GracefulStopSupport, B)
- Implicit
- This member is added by an implicit conversion from GracefulStopSupport to ArrowAssoc[GracefulStopSupport] performed by method ArrowAssoc in scala.Predef.
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