Hi, Akka newbie here, I try the sample on Akka web site and notice the
ActorSystem still runs after the Actors have finished, and I have to hit
Enter to quit. Is there a way to shut down ActorSystem object once
everything is done? I already tried the suggestion to override the
reference.conf file with "akka.actor.guardian-supervisor-strategy = \"
akka.actor.StoppingSupervisorStrategy\"\n" but still no luck. I also
checked with folks on the other Akka chat room and they suggest using Akka
Streams instead of Akka Actors?? Any insight is greatly appreciated!
My public static void main()code:
=================================
Config myConfig =
ConfigFactory.parseString("akka.actor.guardian-supervisor-strategy =
\"akka.actor.StoppingSupervisorStrategy\"\n");
// load the normal config stack (system props, then application.conf, then
reference.conf)
Config regularConfig = ConfigFactory.load();
// override regular stack with myConfig
Config combined = myConfig.withFallback(regularConfig);
// put the result in between the overrides (system props) and defaults again
Config complete = ConfigFactory.load(combined);
// create ActorSystem
ActorSystem system = ActorSystem.create("actorSystem", complete);
final ActorRef taskManagerActor = system
.actorOf(TaskManager.props(taskListList.size(),
new FiniteDuration(30000, TimeUnit.MILLISECONDS)));
for (List<String> taskList : taskListList) {
taskManagerActor.tell(new TaskActor.RunTaskMsg(taskList),
ActorRef.noSender());
}//end for
My TaskManager Actor has a match() to shut itself down and the system down:
===========================================================================
...
.match(TaskManager.TaskCompletedMsg.class, o -> {
if (taskCounter == totalNumTasks) {
System.out.println("\nAll child Actors have been stopped. Shutting down
TaskManager Actor...");
getContext().stop(getSelf());
System.out.println("\nAnd shutting down ActorSystem...");
getContext().getSystem().terminate();
}//end if
})
...
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