Examples with BarrierEvent com.baidu.hugegraph.concurrent.BarrierEvent used on opensource projects

Example 11 with BarrierEvent

use of com.baidu.hugegraph.concurrent.BarrierEvent in project hugegraph-common by hugegraph.

the class BarrierEventTest method testSignal.

@Test
public void testSignal() throws InterruptedException {
    BarrierEvent barrierEvent = new BarrierEvent();
    boolean signaled = barrierEvent.await(1L);
    Assert.assertFalse(signaled);
    barrierEvent.signal();
    signaled = barrierEvent.await(1L);
    Assert.assertTrue(signaled);
}

Example 12 with BarrierEvent

use of com.baidu.hugegraph.concurrent.BarrierEvent in project hugegraph-common by hugegraph.

the class BarrierEventTest method testSignalAllByMultiThreadWithSignalFirst.

@Test
public void testSignalAllByMultiThreadWithSignalFirst() throws InterruptedException {
    BarrierEvent barrierEvent = new BarrierEvent();
    AtomicInteger eventCount = new AtomicInteger(0);
    AtomicInteger waitThreadInterruptedCount = new AtomicInteger(0);
    ExecutorService executorService = Executors.newFixedThreadPool(WAIT_THREADS_COUNT + 1);
    CountDownLatch waitLatch = new CountDownLatch(WAIT_THREADS_COUNT);
    CountDownLatch signalLatch = new CountDownLatch(1);
    for (int i = 0; i < WAIT_THREADS_COUNT; i++) {
        executorService.submit(() -> {
            try {
                signalLatch.await();
                waitLatch.countDown();
                barrierEvent.await();
                eventCount.incrementAndGet();
            } catch (InterruptedException e) {
                waitThreadInterruptedCount.incrementAndGet();
            }
        });
    }
    executorService.submit(() -> {
        barrierEvent.signalAll();
        signalLatch.countDown();
    });
    executorService.shutdown();
    executorService.awaitTermination(1L, TimeUnit.SECONDS);
    Assert.assertEquals(10, eventCount.get());
    Assert.assertEquals(0, waitThreadInterruptedCount.get());
}