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Implements actorRef source variant with backpressure #17610 (#26633)

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* Implements actorRef source variant with backpressure #17610

* Small improvements to documentation and source #17610

* Small improvements to test #17610

* Small improvements to implementation and tests #17610

* Adds API for akka-typed #17610

* Adds ack sender and java api for typed #17610
This commit is contained in:
Nicolas Vollmar 2019-05-20 12:19:44 +02:00 • committed by Patrik Nordwall
parent a9f4f2dd96
commit f37f41574d
14 changed files with 472 additions and 6 deletions
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27
akka-docs/src/test/java/jdocs/stream/operators/SourceDocExamples.java
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@ -8,8 +8,9 @@ package jdocs.stream.operators;
// #range-imports
import akka.NotUsed;
import akka.actor.ActorSystem;
import akka.actor.testkit.typed.javadsl.ManualTime;
import akka.actor.testkit.typed.javadsl.TestKitJunitResource;
import akka.stream.ActorMaterializer;
import akka.stream.CompletionStrategy;
import akka.stream.Materializer;
import akka.stream.javadsl.Source;
// #range-imports
@ -18,7 +19,9 @@ import akka.stream.javadsl.Source;
import akka.actor.ActorRef;
import akka.actor.Status.Success;
import akka.stream.OverflowStrategy;
import akka.stream.CompletionStrategy;
import akka.stream.javadsl.Sink;
import akka.testkit.TestProbe;
// #actor-ref-imports
import java.util.Arrays;
@ -27,6 +30,8 @@ import java.util.Arrays;
public class SourceDocExamples {
public static final TestKitJunitResource testKit = new TestKitJunitResource(ManualTime.config());
public static void fromExample() {
// #source-from-example
final ActorSystem system = ActorSystem.create("SourceFromExample");
@ -85,4 +90,24 @@ public class SourceDocExamples {
actorRef.tell(new Success(CompletionStrategy.draining()), ActorRef.noSender());
// #actor-ref
}
static void actorRefWithAck() {
final TestProbe probe = null;
// #actor-ref-with-ack
final ActorSystem system = ActorSystem.create();
final Materializer materializer = ActorMaterializer.create(system);
Source<Object, ActorRef> source = Source.actorRefWithAck("ack");
ActorRef actorRef = source.to(Sink.foreach(System.out::println)).run(materializer);
probe.send(actorRef, "hello");
probe.expectMsg("ack");
probe.send(actorRef, "hello");
probe.expectMsg("ack");
// The stream completes successfully with the following message
actorRef.tell(new Success(CompletionStrategy.draining()), ActorRef.noSender());
// #actor-ref-with-ack
}
}