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Introducing watching for completion earlier

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So we can terminate the ActorSystem
This commit is contained in:
Arnout Engelen 2017-04-06 11:17:10 +02:00
parent 952fa34c70
commit 18eee18b8c
5 changed files with 71 additions and 36 deletions
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38
akka-docs/rst/java/code/jdocs/stream/QuickStartDocTest.java
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@ -32,19 +32,13 @@ import org.junit.*;
*/
public class QuickStartDocTest extends AbstractJavaTest {
static
//#create-materializer
final ActorSystem system = ActorSystem.create("QuickStart");
final Materializer materializer = ActorMaterializer.create(system);
//#create-materializer
@AfterClass
public static void teardown() {
system.terminate();
}
@Test
public void demonstrateSource() throws InterruptedException, ExecutionException {
//#create-materializer
final ActorSystem system = ActorSystem.create("QuickStart");
final Materializer materializer = ActorMaterializer.create(system);
//#create-materializer
//#create-source
final Source<Integer, NotUsed> source = Source.range(1, 100);
//#create-source
@ -69,16 +63,22 @@ public class QuickStartDocTest extends AbstractJavaTest {
//#use-transformed-sink
//#add-streams
final CompletionStage<Done> done =
factorials
.zipWith(Source.range(0, 99), (num, idx) -> String.format("%d! = %s", idx, num))
.throttle(1, Duration.create(1, TimeUnit.SECONDS), 1, ThrottleMode.shaping())
//#add-streams
.take(2)
//#add-streams
.runForeach(s -> System.out.println(s), materializer);
factorials
.zipWith(Source.range(0, 99), (num, idx) -> String.format("%d! = %s", idx, num))
.throttle(1, Duration.create(1, TimeUnit.SECONDS), 1, ThrottleMode.shaping())
//#add-streams
.take(2)
//#add-streams
.runForeach(s -> System.out.println(s), materializer);
//#add-streams
//#run-source-and-terminate
final CompletionStage<Done> done =
source.runForeach(i -> System.out.println(i), materializer);
done.thenRun(() -> system.terminate());
//#run-source-and-terminate
done.toCompletableFuture().get();
}