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#19440 replace Scala Future usage with CompletionStage in javadsl

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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
This commit is contained in:
Roland Kuhn 2016-01-21 16:37:26 +01:00
parent 396f4370e9
commit 4c72495581
118 changed files with 1646 additions and 1379 deletions
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14
akka-docs/rst/java/code/docs/stream/javadsl/cookbook/RecipeGlobalRateLimit.java
View file

@ -7,7 +7,7 @@ import akka.NotUsed;
import akka.actor.*;
import akka.dispatch.Mapper;
import akka.japi.pf.ReceiveBuilder;
import akka.pattern.Patterns;
import akka.pattern.PatternsCS;
import akka.stream.*;
import akka.stream.javadsl.*;
import akka.stream.testkit.TestSubscriber;
@ -25,6 +25,7 @@ import scala.runtime.BoxedUnit;
import java.util.*;
import java.util.concurrent.CompletionStage;
import java.util.concurrent.TimeUnit;
import static junit.framework.TestCase.assertTrue;
@ -150,14 +151,9 @@ public class RecipeGlobalRateLimit extends RecipeTest {
return f.mapAsync(parallelism, element -> {
final Timeout triggerTimeout = new Timeout(maxAllowedWait);
final Future<Object> limiterTriggerFuture =
Patterns.ask(limiter, Limiter.WANT_TO_PASS, triggerTimeout);
return limiterTriggerFuture.map(new Mapper<Object, T>() {
@Override
public T apply(Object parameter) {
return element;
}
}, system.dispatcher());
final CompletionStage<Object> limiterTriggerFuture =
PatternsCS.ask(limiter, Limiter.WANT_TO_PASS, triggerTimeout);
return limiterTriggerFuture.thenApplyAsync(response -> element, system.dispatcher());
});
}
//#global-limiter-flow