Java Code Examples for java.util.concurrent.CompletionStage#thenRun()

The following examples show how to use java.util.concurrent.CompletionStage#thenRun() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: java-async-util   File: AsyncIterators.java    License: Apache License 2.0 6 votes vote down vote up 
@Override
public CompletionStage<Either<End, U>> nextStage() {
  final CompletableFuture<Either<End, U>> listener = new CompletableFuture<>();
  final CompletionStage<Void> nextFinished = attachListener(listener);

  nextFinished.thenRun(() -> {
    AsyncTrampoline
        .asyncWhile(() -> StageSupport.tryComposeWith(this.lock.acquireLock(), token -> {
          if (this.closed) {
            return StageSupport.completedStage(false);
          }
          return fillMore()
              .thenApply(Either::isRight)
              // exceptional futures get added to the queue same as normal ones,
              // we may continue filling
              .exceptionally(e -> true);
        }));
  });

  return listener;
}
Example 2
Source Project: openjdk-jdk9   File: MockChannel.java    License: GNU General Public License v2.0 6 votes vote down vote up 
@Override
public void registerEvent(RawEvent event) throws IOException {
    int ops = event.interestOps();
    if ((ops & SelectionKey.OP_WRITE) != 0) {
        synchronized (stateLock) {
            checkOpen();
            executor.execute(event::handle);
        }
    } else if ((ops & SelectionKey.OP_READ) != 0) {
        CompletionStage<?> cs;
        synchronized (readLock) {
            cs = currentRule().whenReady();
            synchronized (stateLock) {
                checkOpen();
                cs.thenRun(() -> executor.execute(event::handle));
            }
        }
    } else {
        throw new RuntimeException("Unexpected registration: " + ops);
    }
}
Example 3
Source Project: servicetalk   File: CompletableToCompletionStageTest.java    License: Apache License 2.0 5 votes vote down vote up 
private void verifyComplete(boolean completeBeforeListen) throws InterruptedException {
    CountDownLatch latch = new CountDownLatch(1);
    CompletionStage<Void> stage = source.toCompletionStage();
    if (completeBeforeListen) {
        source.onComplete();
        stage.thenRun(latch::countDown);
    } else {
        stage.thenRun(latch::countDown);
        source.onComplete();
    }
    latch.await();
}
Example 4
Source Project: java-async-util   File: CompletedStage.java    License: Apache License 2.0 5 votes vote down vote up 
@Override
public CompletionStage<Void> runAfterBoth(final CompletionStage<?> other, final Runnable action) {
  Objects.requireNonNull(action);
  return other.thenRun(
      this.exception == null
          ? action
          : () -> {
            throw CompletedStage.wrapIfNecessary(this.exception);
          });
}
Example 5
Source Project: reactive-code-workshop   File: AkkaApplication.java    License: Apache License 2.0 5 votes vote down vote up 
private void dumpSourceToStdOut(Source<?,NotUsed> src) throws InterruptedException, ExecutionException {
    final ActorSystem system = ActorSystem.create("QuickStart");
    final Materializer materializer = ActorMaterializer.create(system);

    final CompletionStage<Done> done = src.runWith(Sink.foreach(a -> System.out.println(a)),materializer);
    done.thenRun(()->system.terminate());

    // Make it happen
    done.toCompletableFuture().get();
}
Example 6
Source Project: reactive-code-workshop   File: AkkaApplicationTest.java    License: Apache License 2.0 5 votes vote down vote up 
private String dumpSourceToString(Source<?,NotUsed> f) throws InterruptedException, ExecutionException {
    final ActorSystem system = ActorSystem.create("QuickStart");
    final Materializer materializer = ActorMaterializer.create(system);

    StringBuilder s = new StringBuilder();
    final CompletionStage<Done> done = f.runWith(Sink.foreach(a -> s.append(a)),materializer);

    done.thenRun(()->system.terminate());
    done.toCompletableFuture().get();

    return s.toString();
}
Example 7
Source Project: completion-stage   File: AbstractCompletionStageTest.java    License: Apache License 2.0 5 votes vote down vote up 
@Test
public void thenRunShouldRun() {
    CompletionStage<String> completionStage = createCompletionStage(VALUE);

    Runnable runnable = mock(Runnable.class);
    completionStage.thenRun(runnable);

    finish(completionStage);

    verify(runnable).run();
}