Examples with Subscriber java.util.concurrent.Flow.Subscriber used on opensource projects

Example 11 with Subscriber

use of java.util.concurrent.Flow.Subscriber in project helidon by oracle.

the class MultiPartEncoderTest method testRequests.

@Test
public void testRequests() throws Exception {
    MultiPartEncoder enc = MultiPartEncoder.create("boundary", MEDIA_CONTEXT.writerContext());
    Multi.create(LongStream.range(1, 500).mapToObj(i -> WriteableBodyPart.builder().entity("part" + i).build())).subscribe(enc);
    final CountDownLatch latch = new CountDownLatch(3);
    Subscriber<DataChunk> subscriber = new Subscriber<DataChunk>() {

        @Override
        public void onSubscribe(final Flow.Subscription subscription) {
            subscription.request(3L);
        }

        @Override
        public void onNext(final DataChunk item) {
            latch.countDown();
        }

        @Override
        public void onComplete() {
        }

        @Override
        public void onError(Throwable throwable) {
        }
    };
    enc.subscribe(subscriber);
    waitOnLatch(latch);
}