@After
public void tearDown() throws Exception {
for (DelayedEventHandler delayedEventHandler : delayedEventHandlers) {
delayedEventHandler.stopWaiting();
}
disruptor.halt();
executor.joinAllThreads();
}
private void ensureTwoEventsProcessedAccordingToDependencies(
final CountDownLatch countDownLatch, final DelayedEventHandler... dependencies)
throws InterruptedException {
publishEvent();
publishEvent();
for (DelayedEventHandler dependency : dependencies) {
assertThatCountDownLatchEquals(countDownLatch, 2L);
dependency.processEvent();
dependency.processEvent();
}
assertThatCountDownLatchIsZero(countDownLatch);
}
@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();
}
}