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improve AbstractActor, #21717

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* Receive class that wraps PartialFunction, to avoid
  scary scala types
* move AbstractActorContext to AbstractActor.ActorContext
* converting docs, many, many UntypedActor
* removing UntypedActor docs
* add unit test for ReceiveBuilder
* MiMa filters
* consistent use of getContext(), self(), sender()
* rename cross references
* migration guide
* skip samples for now
* improve match type safetyi, add matchUnchecked
  * the `? extends P` caused code like this to compile:
    `match(String.class, (Integer i) -> {})`
  * added matchUnchecked, since it can still be useful (um, convenient)
    to be able to do:
    `matchUnchecked(List.class, (List<String> list) -> {})`
* eleminate some scala.Option
  * preRestart
  * findChild
  * ActorIdentity.getActorRef
This commit is contained in:
Patrik Nordwall 2016-12-13 10:59:29 +01:00
parent 3617fe8b41
commit 4bd6b7aab1
157 changed files with 3290 additions and 8882 deletions
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67
akka-docs/rst/java/code/docs/stream/ActorSubscriberDocTest.java
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@ -161,44 +161,49 @@ public class ActorSubscriberDocTest extends AbstractJavaTest {
public WorkerPool() {
final List<Routee> routees = new ArrayList<>();
for (int i = 0; i < 3; i++)
routees.add(new ActorRefRoutee(context().actorOf(Props.create(Worker.class))));
routees.add(new ActorRefRoutee(getContext().actorOf(Props.create(Worker.class))));
router = new Router(new RoundRobinRoutingLogic(), routees);
receive(ReceiveBuilder.
match(ActorSubscriberMessage.OnNext.class, on -> on.element() instanceof WorkerPoolProtocol.Msg,
onNext -> {
WorkerPoolProtocol.Msg msg = (WorkerPoolProtocol.Msg) onNext.element();
queue.put(msg.id, msg.replyTo);
if (queue.size() > MAX_QUEUE_SIZE)
throw new RuntimeException("queued too many: " + queue.size());
router.route(WorkerPoolProtocol.work(msg.id), self());
}).
match(ActorSubscriberMessage.onCompleteInstance().getClass(), complete -> {
if (queue.isEmpty()) {
context().stop(self());
}
}).
match(WorkerPoolProtocol.Reply.class, reply -> {
int id = reply.id;
queue.get(id).tell(WorkerPoolProtocol.done(id), self());
queue.remove(id);
if (canceled() && queue.isEmpty()) {
context().stop(self());
}
}).
build());
}
@Override
public Receive createReceive() {
return receiveBuilder()
.match(ActorSubscriberMessage.OnNext.class, on -> on.element() instanceof WorkerPoolProtocol.Msg,
onNext -> {
WorkerPoolProtocol.Msg msg = (WorkerPoolProtocol.Msg) onNext.element();
queue.put(msg.id, msg.replyTo);
if (queue.size() > MAX_QUEUE_SIZE)
throw new RuntimeException("queued too many: " + queue.size());
router.route(WorkerPoolProtocol.work(msg.id), self());
})
.match(ActorSubscriberMessage.onCompleteInstance().getClass(), complete -> {
if (queue.isEmpty()) {
getContext().stop(self());
}
})
.match(WorkerPoolProtocol.Reply.class, reply -> {
int id = reply.id;
queue.get(id).tell(WorkerPoolProtocol.done(id), self());
queue.remove(id);
if (canceled() && queue.isEmpty()) {
getContext().stop(self());
}
})
.build();
}
}
static class Worker extends AbstractActor {
public Worker() {
receive(ReceiveBuilder.
match(WorkerPoolProtocol.Work.class, work -> {
@Override
public Receive createReceive() {
return receiveBuilder()
.match(WorkerPoolProtocol.Work.class, work -> {
// ...
sender().tell(WorkerPoolProtocol.reply(work.id), self());
}).build());
})
.build();
}
}
//#worker-pool