Exemplo n.º 1
0
  private void assertProducerReaches(
      final StubPublisher stubPublisher, final int expectedPublicationCount, boolean strict) {
    long loopStart = System.currentTimeMillis();
    while (stubPublisher.getPublicationCount() < expectedPublicationCount
        && System.currentTimeMillis() - loopStart < 5000) {
      yield();
    }

    if (strict) {
      assertThat(
          Integer.valueOf(stubPublisher.getPublicationCount()),
          equalTo(Integer.valueOf(expectedPublicationCount)));
    } else {
      final int actualPublicationCount = stubPublisher.getPublicationCount();
      assertTrue(
          "Producer reached unexpected count. Expected at least "
              + expectedPublicationCount
              + " but only reached "
              + actualPublicationCount,
          actualPublicationCount >= expectedPublicationCount);
    }
  }
Exemplo n.º 2
0
  @Test
  public void shouldBlockProducerUntilAllEventProcessorsHaveAdvanced() throws Exception {
    final DelayedEventHandler delayedEventHandler = createDelayedEventHandler();
    disruptor.handleEventsWith(delayedEventHandler);

    final RingBuffer<TestEvent> ringBuffer = disruptor.start();

    final StubPublisher stubPublisher = new StubPublisher(ringBuffer);
    try {
      executor.execute(stubPublisher);

      assertProducerReaches(stubPublisher, 4, true);

      delayedEventHandler.processEvent();
      delayedEventHandler.processEvent();
      delayedEventHandler.processEvent();
      delayedEventHandler.processEvent();
      delayedEventHandler.processEvent();

      assertProducerReaches(stubPublisher, 5, false);
    } finally {
      stubPublisher.halt();
    }
  }