4c72495581
This entails:
* adding akka.pattern.PatternCS.* to enable ask etc. with
CompletionStage
* changing RequestContext to offer an ExecutionContextExecutor for the
CompletionStage.*Async combinators
* splitting up akka.stream.Queue for JavaDSL consistency
58 lines
1.5 KiB
Java
58 lines
1.5 KiB
Java
/**
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* Copyright (C) 2015 Typesafe <http://typesafe.com/>
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*/
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package docs.stream.javadsl.cookbook;
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import akka.NotUsed;
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import akka.actor.ActorSystem;
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import akka.stream.ActorMaterializer;
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import akka.stream.Materializer;
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import akka.stream.javadsl.Sink;
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import akka.stream.javadsl.Source;
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import akka.testkit.JavaTestKit;
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import org.junit.AfterClass;
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import org.junit.BeforeClass;
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import org.junit.Test;
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import scala.concurrent.Await;
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import scala.concurrent.Future;
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import scala.concurrent.duration.FiniteDuration;
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import java.util.Arrays;
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import java.util.List;
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import java.util.concurrent.CompletionStage;
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import java.util.concurrent.TimeUnit;
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public class RecipeToStrict extends RecipeTest {
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static ActorSystem system;
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@BeforeClass
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public static void setup() {
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system = ActorSystem.create("RecipeLoggingElements");
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}
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@AfterClass
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public static void tearDown() {
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JavaTestKit.shutdownActorSystem(system);
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system = null;
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}
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final Materializer mat = ActorMaterializer.create(system);
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@Test
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public void workWithPrintln() throws Exception {
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new JavaTestKit(system) {
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{
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final Source<String, NotUsed> myData = Source.from(Arrays.asList("1", "2", "3"));
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final int MAX_ALLOWED_SIZE = 100;
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//#draining-to-list
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final CompletionStage<List<String>> strings = myData
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.grouped(MAX_ALLOWED_SIZE).runWith(Sink.head(), mat);
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//#draining-to-list
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strings.toCompletableFuture().get(3, TimeUnit.SECONDS);
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}
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};
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}
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}
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