Examples with CountDownLatchView org.apache.ignite.spi.systemview.view.datastructures.CountDownLatchView used on opensource projects

Example 1 with CountDownLatchView

use of org.apache.ignite.spi.systemview.view.datastructures.CountDownLatchView in project ignite by apache.

the class SystemViewSelfTest method testCountDownLatch.

/**
 */
@Test
public void testCountDownLatch() throws Exception {
    try (IgniteEx g0 = startGrid(0);
        IgniteEx g1 = startGrid(1)) {
        IgniteCountDownLatch l1 = g0.countDownLatch("c1", 3, false, true);
        IgniteCountDownLatch l2 = g0.countDownLatch("c2", 1, true, true);
        SystemView<CountDownLatchView> latches0 = g0.context().systemView().view(LATCHES_VIEW);
        SystemView<CountDownLatchView> latches1 = g1.context().systemView().view(LATCHES_VIEW);
        assertEquals(2, latches0.size());
        assertEquals(0, latches1.size());
        String grpName = DEFAULT_VOLATILE_DS_GROUP_NAME + "@" + VOLATILE_DATA_REGION_NAME;
        for (CountDownLatchView l : latches0) {
            if ("c1".equals(l.name())) {
                assertEquals(3, l.count());
                assertEquals(3, l.initialCount());
                assertFalse(l.autoDelete());
                l1.countDown();
                assertEquals(2, l.count());
                assertEquals(3, l.initialCount());
                assertFalse(l.removed());
            } else {
                assertEquals("c2", l.name());
                assertEquals(1, l.count());
                assertEquals(1, l.initialCount());
                assertTrue(l.autoDelete());
                assertFalse(l.removed());
                l2.countDown();
                l2.close();
                assertTrue(waitForCondition(l::removed, getTestTimeout()));
            }
            assertEquals(grpName, l.groupName());
            assertEquals(CU.cacheId(grpName), l.groupId());
        }
        IgniteCountDownLatch l3 = g1.countDownLatch("c1", 10, true, true);
        assertEquals(1, latches1.size());
        CountDownLatchView l = latches1.iterator().next();
        assertEquals(2, l.count());
        assertEquals(3, l.initialCount());
        assertEquals(grpName, l.groupName());
        assertEquals(CU.cacheId(grpName), l.groupId());
        assertFalse(l.removed());
        assertFalse(l.autoDelete());
        l3.countDown();
        l3.countDown();
        l3.close();
        assertTrue(waitForCondition(l::removed, getTestTimeout()));
        assertEquals(0, latches0.size());
        assertEquals(0, latches1.size());
    }
}

Example 2 with CountDownLatchView

use of org.apache.ignite.spi.systemview.view.datastructures.CountDownLatchView in project ignite by apache.

the class DataStructuresProcessor method registerSystemViews.

/**
 * Register system views.
 */
private void registerSystemViews() {
    ctx.systemView().registerView(SEQUENCES_VIEW, SEQUENCES_VIEW_DESC, new AtomicSequenceViewWalker(), new PredicateCollectionView<>(dsMap.values(), v -> v instanceof IgniteAtomicSequence), AtomicSequenceView::new);
    ctx.systemView().registerView(LONGS_VIEW, LONGS_VIEW_DESC, new AtomicLongViewWalker(), new PredicateCollectionView<>(dsMap.values(), v -> v instanceof IgniteAtomicLong), AtomicLongView::new);
    ctx.systemView().registerView(REFERENCES_VIEW, REFERENCES_VIEW_DESC, new AtomicReferenceViewWalker(), new PredicateCollectionView<>(dsMap.values(), v -> v instanceof IgniteAtomicReference), AtomicReferenceView::new);
    ctx.systemView().registerView(STAMPED_VIEW, STAMPED_VIEW_DESC, new AtomicStampedViewWalker(), new PredicateCollectionView<>(dsMap.values(), v -> v instanceof IgniteAtomicStamped), AtomicStampedView::new);
    ctx.systemView().registerView(LATCHES_VIEW, LATCHES_VIEW_DESC, new CountDownLatchViewWalker(), new PredicateCollectionView<>(dsMap.values(), v -> v instanceof IgniteCountDownLatch), CountDownLatchView::new);
    ctx.systemView().registerView(SEMAPHORES_VIEW, SEMAPHORES_VIEW_DESC, new SemaphoreViewWalker(), new PredicateCollectionView<>(dsMap.values(), v -> v instanceof IgniteSemaphore), SemaphoreView::new);
    ctx.systemView().registerView(LOCKS_VIEW, LOCKS_VIEW_DESC, new ReentrantLockViewWalker(), new PredicateCollectionView<>(dsMap.values(), v -> v instanceof IgniteLock), ReentrantLockView::new);
    ctx.systemView().registerInnerCollectionView(QUEUES_VIEW, QUEUES_VIEW_DESC, new QueueViewWalker(), new TransformCollectionView<>(ctx.cache().cacheDescriptors().values(), desc -> ctx.cache().cache(desc.cacheName()).context().dataStructures(), desc -> desc.cacheType() == CacheType.DATA_STRUCTURES), cctx -> cctx.queues().values(), (cctx, queue) -> new QueueView(queue));
    ctx.systemView().registerInnerCollectionView(SETS_VIEW, SETS_VIEW_DESC, new SetViewWalker(), F.viewReadOnly(ctx.cache().cacheDescriptors().values(), desc -> ctx.cache().cache(desc.cacheName()).context().dataStructures(), desc -> desc.cacheType() == CacheType.DATA_STRUCTURES), cctx -> cctx.sets().values(), (cctx, set) -> new SetView(set));
}