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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.
This commit is contained in:
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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24
akka-docs/src/test/java/jdocs/stream/StreamTestKitDocTest.java
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@ -29,19 +29,16 @@ import akka.stream.testkit.javadsl.*;
public class StreamTestKitDocTest extends AbstractJavaTest {
static ActorSystem system;
static Materializer mat;
@BeforeClass
public static void setup() {
system = ActorSystem.create("StreamTestKitDocTest");
mat = ActorMaterializer.create(system);
}
@AfterClass
public static void tearDown() {
TestKit.shutdownActorSystem(system);
system = null;
mat = null;
}
@Test
@ -53,7 +50,7 @@ public class StreamTestKitDocTest extends AbstractJavaTest {
.toMat(Sink.fold(0, (agg, next) -> agg + next), Keep.right());
final CompletionStage<Integer> future =
Source.from(Arrays.asList(1, 2, 3, 4)).runWith(sinkUnderTest, mat);
Source.from(Arrays.asList(1, 2, 3, 4)).runWith(sinkUnderTest, system);
final Integer result = future.toCompletableFuture().get(3, TimeUnit.SECONDS);
assert (result == 20);
// #strict-collection
@ -64,7 +61,8 @@ public class StreamTestKitDocTest extends AbstractJavaTest {
// #grouped-infinite
final Source<Integer, NotUsed> sourceUnderTest = Source.repeat(1).map(i -> i * 2);
final CompletionStage<List<Integer>> future = sourceUnderTest.take(10).runWith(Sink.seq(), mat);
final CompletionStage<List<Integer>> future =
sourceUnderTest.take(10).runWith(Sink.seq(), system);
final List<Integer> result = future.toCompletableFuture().get(3, TimeUnit.SECONDS);
assertEquals(result, Collections.nCopies(10, 2));
// #grouped-infinite
@ -79,7 +77,7 @@ public class StreamTestKitDocTest extends AbstractJavaTest {
final CompletionStage<Integer> future =
Source.from(Arrays.asList(1, 2, 3, 4, 5, 6))
.via(flowUnderTest)
.runWith(Sink.fold(0, (agg, next) -> agg + next), mat);
.runWith(Sink.fold(0, (agg, next) -> agg + next), system);
final Integer result = future.toCompletableFuture().get(3, TimeUnit.SECONDS);
assert (result == 10);
// #folded-stream
@ -93,7 +91,7 @@ public class StreamTestKitDocTest extends AbstractJavaTest {
final TestKit probe = new TestKit(system);
final CompletionStage<List<List<Integer>>> future =
sourceUnderTest.grouped(2).runWith(Sink.head(), mat);
sourceUnderTest.grouped(2).runWith(Sink.head(), system);
akka.pattern.Patterns.pipe(future, system.dispatcher()).to(probe.getRef());
probe.expectMsg(Duration.ofSeconds(3), Arrays.asList(Arrays.asList(1, 2), Arrays.asList(3, 4)));
// #pipeto-testprobe
@ -112,7 +110,7 @@ public class StreamTestKitDocTest extends AbstractJavaTest {
final TestKit probe = new TestKit(system);
final Cancellable cancellable =
sourceUnderTest.to(Sink.actorRef(probe.getRef(), Tick.COMPLETED)).run(mat);
sourceUnderTest.to(Sink.actorRef(probe.getRef(), Tick.COMPLETED)).run(system);
probe.expectMsg(Duration.ofSeconds(3), Tick.TOCK);
probe.expectNoMessage(Duration.ofMillis(100));
probe.expectMsg(Duration.ofSeconds(3), Tick.TOCK);
@ -132,7 +130,7 @@ public class StreamTestKitDocTest extends AbstractJavaTest {
final Pair<ActorRef, CompletionStage<String>> refAndCompletionStage =
Source.<Integer>actorRef(8, OverflowStrategy.fail())
.toMat(sinkUnderTest, Keep.both())
.run(mat);
.run(system);
final ActorRef ref = refAndCompletionStage.first();
final CompletionStage<String> future = refAndCompletionStage.second();
@ -153,7 +151,7 @@ public class StreamTestKitDocTest extends AbstractJavaTest {
Source.from(Arrays.asList(1, 2, 3, 4)).filter(elem -> elem % 2 == 0).map(elem -> elem * 2);
sourceUnderTest
.runWith(TestSink.probe(system), mat)
.runWith(TestSink.probe(system), system)
.request(2)
.expectNext(4, 8)
.expectComplete();
@ -167,7 +165,7 @@ public class StreamTestKitDocTest extends AbstractJavaTest {
TestSource.<Integer>probe(system)
.toMat(sinkUnderTest, Keep.left())
.run(mat)
.run(system)
.expectCancellation();
// #test-source-probe
}
@ -178,7 +176,7 @@ public class StreamTestKitDocTest extends AbstractJavaTest {
final Sink<Integer, CompletionStage<Integer>> sinkUnderTest = Sink.head();
final Pair<TestPublisher.Probe<Integer>, CompletionStage<Integer>> probeAndCompletionStage =
TestSource.<Integer>probe(system).toMat(sinkUnderTest, Keep.both()).run(mat);
TestSource.<Integer>probe(system).toMat(sinkUnderTest, Keep.both()).run(system);
final TestPublisher.Probe<Integer> probe = probeAndCompletionStage.first();
final CompletionStage<Integer> future = probeAndCompletionStage.second();
probe.sendError(new Exception("boom"));
@ -211,7 +209,7 @@ public class StreamTestKitDocTest extends AbstractJavaTest {
TestSource.<Integer>probe(system)
.via(flowUnderTest)
.toMat(TestSink.<Integer>probe(system), Keep.both())
.run(mat);
.run(system);
final TestPublisher.Probe<Integer> pub = pubAndSub.first();
final TestSubscriber.Probe<Integer> sub = pubAndSub.second();