cd8e97c060
* deprecates awaitTermination, shutdown and isTerminated * introduces a terminate-method that returns a Future[Unit] * introduces a whenTerminated-method that returns a Future[Unit] * simplifies the implementation by removing blocking constructs * adds tests for terminate() and whenTerminated
40 lines
1 KiB
Java
40 lines
1 KiB
Java
package sample.hello;
|
|
|
|
import akka.actor.ActorRef;
|
|
import akka.actor.ActorSystem;
|
|
import akka.actor.Props;
|
|
import akka.actor.Terminated;
|
|
import akka.actor.UntypedActor;
|
|
import akka.event.Logging;
|
|
import akka.event.LoggingAdapter;
|
|
|
|
public class Main2 {
|
|
|
|
public static void main(String[] args) {
|
|
ActorSystem system = ActorSystem.create("Hello");
|
|
ActorRef a = system.actorOf(Props.create(HelloWorld.class), "helloWorld");
|
|
system.actorOf(Props.create(Terminator.class, a), "terminator");
|
|
}
|
|
|
|
public static class Terminator extends UntypedActor {
|
|
|
|
private final LoggingAdapter log = Logging.getLogger(getContext().system(), this);
|
|
private final ActorRef ref;
|
|
|
|
public Terminator(ActorRef ref) {
|
|
this.ref = ref;
|
|
getContext().watch(ref);
|
|
}
|
|
|
|
@Override
|
|
public void onReceive(Object msg) {
|
|
if (msg instanceof Terminated) {
|
|
log.info("{} has terminated, shutting down system", ref.path());
|
|
getContext().system().terminate();
|
|
} else {
|
|
unhandled(msg);
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|