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System wide materializer (#27491)

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Introduces a materializer started through an extension and then an implicit
conversion for Scala turning an implicitly available ActorSystem into a
materializer. The Java APIs has been ammended with run-methods accepting
an ActorSystem.
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Johan Andrén 2019-08-23 18:19:27 +02:00 • committed by GitHub
parent 77d1d33dbc
commit 45c826a218
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196 changed files with 1148 additions and 1129 deletions
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36
akka-docs/src/test/java/jdocs/stream/IntegrationDocTest.java
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@ -43,7 +43,6 @@ public class IntegrationDocTest extends AbstractJavaTest {
private static final SilenceSystemOut.System System = SilenceSystemOut.get();
static ActorSystem system;
static Materializer mat;
static ActorRef ref;
@BeforeClass
@ -61,7 +60,6 @@ public class IntegrationDocTest extends AbstractJavaTest {
+ "akka.actor.default-mailbox.mailbox-type = akka.dispatch.UnboundedMailbox\n");
system = ActorSystem.create("ActorPublisherDocTest", config);
mat = ActorMaterializer.create(system);
ref = system.actorOf(Props.create(Translator.class));
}
@ -69,7 +67,6 @@ public class IntegrationDocTest extends AbstractJavaTest {
public static void tearDown() {
TestKit.shutdownActorSystem(system);
system = null;
mat = null;
ref = null;
}
@ -397,7 +394,7 @@ public class IntegrationDocTest extends AbstractJavaTest {
.ask(5, ref, String.class, askTimeout)
// continue processing of the replies from the actor
.map(elem -> elem.toLowerCase())
.runWith(Sink.ignore(), mat);
.runWith(Sink.ignore(), system);
// #ask
}
@ -418,7 +415,7 @@ public class IntegrationDocTest extends AbstractJavaTest {
new StreamCompleted(),
ex -> new StreamFailure(ex));
words.map(el -> el.toLowerCase()).runWith(sink, mat);
words.map(el -> el.toLowerCase()).runWith(sink, system);
probe.expectMsg("Stream initialized");
probe.expectMsg("hello");
@ -457,7 +454,7 @@ public class IntegrationDocTest extends AbstractJavaTest {
4, address -> emailServer.send(new Email(address, "Akka", "I like your tweet")))
.to(Sink.ignore());
sendEmails.run(mat);
sendEmails.run(system);
// #send-emails
probe.expectMsg("rolandkuhn@somewhere.com");
@ -519,7 +516,7 @@ public class IntegrationDocTest extends AbstractJavaTest {
4, address -> emailServer.send(new Email(address, "Akka", "I like your tweet")))
.to(Sink.ignore());
sendEmails.run(mat);
sendEmails.run(system);
// #external-service-mapAsyncUnordered
}
};
@ -555,7 +552,7 @@ public class IntegrationDocTest extends AbstractJavaTest {
blockingEc))
.to(Sink.ignore());
sendTextMessages.run(mat);
sendTextMessages.run(system);
// #blocking-mapAsync
final List<Object> got = receiveN(7);
@ -597,7 +594,7 @@ public class IntegrationDocTest extends AbstractJavaTest {
.withAttributes(ActorAttributes.dispatcher("blocking-dispatcher"));
final RunnableGraph<?> sendTextMessages = phoneNumbers.via(send).to(Sink.ignore());
sendTextMessages.run(mat);
sendTextMessages.run(system);
// #blocking-map
probe.expectMsg(String.valueOf("rolandkuhn".hashCode()));
@ -630,7 +627,7 @@ public class IntegrationDocTest extends AbstractJavaTest {
.to(Sink.ignore());
// #save-tweets
saveTweets.run(mat);
saveTweets.run(system);
probe.expectMsg("rolandkuhn");
probe.expectMsg("patriknw");
@ -677,7 +674,7 @@ public class IntegrationDocTest extends AbstractJavaTest {
return elem;
})
.mapAsync(4, service::convert)
.runForeach(elem -> System.out.println("after: " + elem), mat);
.runForeach(elem -> System.out.println("after: " + elem), system);
// #sometimes-slow-mapAsync
probe.expectMsg("after: A");
@ -716,10 +713,6 @@ public class IntegrationDocTest extends AbstractJavaTest {
final Executor blockingEc = system.dispatchers().lookup("blocking-dispatcher");
final SometimesSlowService service = new SometimesSlowService(blockingEc);
final ActorMaterializer mat =
ActorMaterializer.create(
ActorMaterializerSettings.create(system).withInputBuffer(4, 4), system);
Source.from(Arrays.asList("a", "B", "C", "D", "e", "F", "g", "H", "i", "J"))
.map(
elem -> {
@ -727,7 +720,9 @@ public class IntegrationDocTest extends AbstractJavaTest {
return elem;
})
.mapAsyncUnordered(4, service::convert)
.runForeach(elem -> System.out.println("after: " + elem), mat);
.to(Sink.foreach(elem -> System.out.println("after: " + elem)))
.withAttributes(Attributes.inputBuffer(4, 4))
.run(system);
// #sometimes-slow-mapAsyncUnordered
final List<Object> got = receiveN(10);
@ -760,11 +755,11 @@ public class IntegrationDocTest extends AbstractJavaTest {
.throttle(elementsToProcess, Duration.ofSeconds(3))
.map(x -> x * x)
.to(Sink.foreach(x -> System.out.println("got: " + x)))
.run(mat);
.run(system);
Source<Integer, NotUsed> source = Source.from(Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10));
source.map(x -> sourceQueue.offer(x)).runWith(Sink.ignore(), mat);
source.map(x -> sourceQueue.offer(x)).runWith(Sink.ignore(), system);
// #source-queue
}
@ -782,7 +777,10 @@ public class IntegrationDocTest extends AbstractJavaTest {
Source.actorRef(
bufferSize, OverflowStrategy.dropHead()); // note: backpressure is not supported
ActorRef actorRef =
source.map(x -> x * x).to(Sink.foreach(x -> System.out.println("got: " + x))).run(mat);
source
.map(x -> x * x)
.to(Sink.foreach(x -> System.out.println("got: " + x)))
.run(system);
actorRef.tell(1, ActorRef.noSender());
actorRef.tell(2, ActorRef.noSender());