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

Example 1 with ReentrantLockView

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

the class SystemViewSelfTest method testLocks.

/**
 */
@Test
public void testLocks() throws Exception {
    try (IgniteEx g0 = startGrid(0);
        IgniteEx g1 = startGrid(1)) {
        IgniteLock l1 = g0.reentrantLock("l1", false, true, true);
        IgniteLock l2 = g0.reentrantLock("l2", true, false, true);
        SystemView<ReentrantLockView> locks0 = g0.context().systemView().view(LOCKS_VIEW);
        SystemView<ReentrantLockView> locks1 = g1.context().systemView().view(LOCKS_VIEW);
        assertEquals(2, locks0.size());
        assertEquals(0, locks1.size());
        String grpName = DEFAULT_VOLATILE_DS_GROUP_NAME + "@" + VOLATILE_DATA_REGION_NAME;
        IgniteInternalFuture<?> lockFut = null;
        Runnable lockNSleep = () -> {
            l1.lock();
            try {
                Thread.sleep(getTestTimeout());
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            } finally {
                l1.unlock();
            }
        };
        for (ReentrantLockView l : locks0) {
            if ("l1".equals(l.name())) {
                assertFalse(l.locked());
                assertFalse(l.hasQueuedThreads());
                assertFalse(l.failoverSafe());
                assertTrue(l.fair());
                assertFalse(l.broken());
                assertFalse(l.removed());
                lockFut = runAsync(lockNSleep);
                assertTrue(waitForCondition(l::locked, getTestTimeout()));
            } else {
                assertFalse(l.hasQueuedThreads());
                assertTrue(l.failoverSafe());
                assertFalse(l.fair());
                assertFalse(l.broken());
                assertFalse(l.removed());
                l2.close();
                assertTrue(waitForCondition(l::removed, getTestTimeout()));
            }
            assertEquals(grpName, l.groupName());
            assertEquals(CU.cacheId(grpName), l.groupId());
        }
        IgniteLock l3 = g1.reentrantLock("l1", true, false, true);
        assertEquals(1, locks1.size());
        ReentrantLockView s = locks1.iterator().next();
        assertTrue(s.locked());
        assertFalse(s.hasQueuedThreads());
        assertFalse(s.failoverSafe());
        assertTrue(s.fair());
        assertFalse(s.broken());
        assertFalse(s.removed());
        lockFut.cancel();
        assertTrue(waitForCondition(() -> !s.locked(), getTestTimeout()));
        assertFalse(s.hasQueuedThreads());
        l3.close();
        assertTrue(waitForCondition(s::removed, getTestTimeout()));
        assertEquals(0, locks0.size());
        assertEquals(0, locks1.size());
    }
}

Example 2 with ReentrantLockView

use of org.apache.ignite.spi.systemview.view.datastructures.ReentrantLockView 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));
}