Package com.alibaba.otter.node.etl.load.loader.weight

Examples of com.alibaba.otter.node.etl.load.loader.weight.WeightBarrier

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public class WeightBarrierTest extends BaseOtterTest {

    @Test
    public void test_simple() {
        final WeightBarrier barrier = new WeightBarrier(10);
        try {
            barrier.await(10);// 可以成功通过
        } catch (InterruptedException e1) {
            want.fail();
        }

        try {
            final CountDownLatch count = new CountDownLatch(1);
            ExecutorService executor = Executors.newCachedThreadPool();

            executor.submit(new Callable() {

                public Object call() throws Exception {
                    Thread.sleep(1000);
                    barrier.single(11);
                    count.countDown();
                    return null;
                }
            });

            barrier.await(11);// 会被阻塞
            count.await();
            executor.shutdown();
        } catch (InterruptedException e) {
            want.fail();
        }
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        }
    }

    @Test
    public void test_cocurrent() {
        final WeightBarrier barrier = new WeightBarrier(-1);

        try {
            final CountDownLatch count = new CountDownLatch(10);
            ExecutorService executor = Executors.newCachedThreadPool();
            for (int i = 0; i < 10; i++) {
                final long index = i;
                executor.submit(new Callable() {

                    public Object call() throws Exception {
                        barrier.await(index);
                        want.number(index).isLe(barrier.state());
                        count.countDown();
                        return null;
                    }
                });
            }
            Thread.sleep(1000);
            for (int i = 0; i < 10; i++) {
                barrier.single(i);
            }
            count.await();
            executor.shutdown();
        } catch (InterruptedException e) {
            want.fail();
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Related Classes of com.alibaba.otter.node.etl.load.loader.weight.WeightBarrier

  • com.alibaba.otter.node.etl.load.WeightBarrierTest
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