Examples with IgniteSemaphore org.apache.ignite.IgniteSemaphore used on opensource projects

Example 16 with IgniteSemaphore

use of org.apache.ignite.IgniteSemaphore in project ignite by apache.

the class IgnitePersistentStoreDataStructuresTest method testSemaphoreVolatility.

/**
 * @throws Exception If failed.
 */
public void testSemaphoreVolatility() throws Exception {
    Ignite ignite = startGrids(4);
    ignite.active(true);
    IgniteSemaphore sem = ignite.semaphore("test", 10, false, true);
    assert sem != null;
    stopAllGrids();
    ignite = startGrids(4);
    ignite.active(true);
    sem = ignite.semaphore("test", 10, false, false);
    assert sem == null;
}

Example 17 with IgniteSemaphore

use of org.apache.ignite.IgniteSemaphore in project ignite by apache.

the class IgniteDataStructureUniqueNameTest method testUniqueName.

/**
 * @param singleGrid If {@code true} uses single grid.
 * @throws Exception If failed.
 */
private void testUniqueName(final boolean singleGrid) throws Exception {
    final String name = IgniteUuid.randomUuid().toString();
    final int DS_TYPES = 6;
    final int THREADS = DS_TYPES * 3;
    for (int iter = 0; iter < 20; iter++) {
        log.info("Iteration: " + iter);
        List<IgniteInternalFuture<Object>> futs = new ArrayList<>(THREADS);
        final CyclicBarrier barrier = new CyclicBarrier(THREADS);
        for (int i = 0; i < THREADS; i++) {
            final int idx = i;
            IgniteInternalFuture<Object> fut = GridTestUtils.runAsync(new Callable<Object>() {

                @Override
                public Object call() throws Exception {
                    try {
                        Thread.currentThread().setName("test thread-" + idx);
                        barrier.await();
                        Ignite ignite = singleGrid ? ignite(0) : ignite(idx % gridCount());
                        Object res;
                        switch(idx % DS_TYPES) {
                            case 0:
                                log.info("Create atomic long, grid: " + ignite.name());
                                res = ignite.atomicLong(name, 0, true);
                                break;
                            case 1:
                                log.info("Create atomic sequence, grid: " + ignite.name());
                                res = ignite.atomicSequence(name, 0, true);
                                break;
                            case 2:
                                log.info("Create atomic stamped, grid: " + ignite.name());
                                res = ignite.atomicStamped(name, 0, true, true);
                                break;
                            case 3:
                                log.info("Create atomic reference, grid: " + ignite.name());
                                res = ignite.atomicReference(name, null, true);
                                break;
                            case 4:
                                log.info("Create queue, grid: " + ignite.name());
                                res = ignite.queue(name, 0, config(false));
                                break;
                            case 5:
                                log.info("Create set, grid: " + ignite.name());
                                res = ignite.set(name, config(false));
                                break;
                            default:
                                fail();
                                return null;
                        }
                        log.info("Thread created: " + res);
                        return res;
                    } catch (IgniteException e) {
                        log.info("Failed: " + e);
                        return e;
                    }
                }
            });
            futs.add(fut);
        }
        Closeable dataStructure = null;
        int createdCnt = 0;
        for (IgniteInternalFuture<Object> fut : futs) {
            Object res = fut.get();
            if (res instanceof IgniteException || res instanceof IgniteCheckedException)
                continue;
            assertTrue("Unexpected object: " + res, res instanceof IgniteAtomicLong || res instanceof IgniteAtomicSequence || res instanceof IgniteAtomicReference || res instanceof IgniteAtomicStamped || res instanceof IgniteCountDownLatch || res instanceof IgniteQueue || res instanceof IgniteSet || res instanceof IgniteSemaphore || res instanceof IgniteLock);
            log.info("Data structure created: " + dataStructure);
            createdCnt++;
            if (dataStructure != null)
                assertEquals(dataStructure.getClass(), res.getClass());
            else
                dataStructure = (Closeable) res;
        }
        assertNotNull(dataStructure);
        assertEquals(3, createdCnt);
        dataStructure.close();
    }
}

Example 18 with IgniteSemaphore

use of org.apache.ignite.IgniteSemaphore in project ignite by apache.

the class IgniteClientDataStructuresAbstractTest method testSemaphore.

/**
 * @param creator Creator node.
 * @param other Other node.
 * @throws Exception If failed.
 */
private void testSemaphore(Ignite creator, final Ignite other) throws Exception {
    assertNull(creator.semaphore("semaphore1", 1, true, false));
    assertNull(other.semaphore("semaphore1", 1, true, false));
    try (IgniteSemaphore semaphore = creator.semaphore("semaphore1", -1, true, true)) {
        assertNotNull(semaphore);
        assertEquals(-1, semaphore.availablePermits());
        IgniteInternalFuture<?> fut = GridTestUtils.runAsync(new Callable<Object>() {

            @Override
            public Object call() throws Exception {
                U.sleep(1000);
                IgniteSemaphore semaphore0 = other.semaphore("semaphore1", -1, true, false);
                assertEquals(-1, semaphore0.availablePermits());
                log.info("Release semaphore.");
                semaphore0.release(2);
                return null;
            }
        });
        log.info("Acquire semaphore.");
        assertTrue(semaphore.tryAcquire(1, 5000, TimeUnit.MILLISECONDS));
        log.info("Finished wait.");
        fut.get();
        assertEquals(0, semaphore.availablePermits());
    }
    assertNull(creator.semaphore("semaphore1", 1, true, false));
    assertNull(other.semaphore("semaphore1", 1, true, false));
}

Example 19 with IgniteSemaphore

use of org.apache.ignite.IgniteSemaphore in project ignite by apache.

the class IgniteSemaphoreAbstractSelfTest method checkAcquire.

/**
 * @throws Exception Exception.
 */
private void checkAcquire() throws Exception {
    // Check only 'false' cases here. Successful await is tested over the grid.
    IgniteSemaphore semaphore = createSemaphore("acquire", 5, false);
    assert !semaphore.tryAcquire(10);
    assert !semaphore.tryAcquire(10, 10, MICROSECONDS);
    removeSemaphore("acquire");
}

Example 20 with IgniteSemaphore

use of org.apache.ignite.IgniteSemaphore in project ignite by apache.

the class IgniteSemaphoreAbstractSelfTest method checkSemaphoreSerialization.

/**
 * @throws Exception If failed.
 */
private void checkSemaphoreSerialization() throws Exception {
    final IgniteSemaphore sem = grid(0).semaphore("semaphore", -gridCount() + 1, true, true);
    assertEquals(-gridCount() + 1, sem.availablePermits());
    grid(0).compute().broadcast(new IgniteCallable<Object>() {

        @Nullable
        @Override
        public Object call() throws Exception {
            sem.release();
            return null;
        }
    });
    assert sem.availablePermits() == 1;
    sem.acquire();
    assert sem.availablePermits() == 0;
    sem.release();
    // Test operations on removed semaphore.
    sem.close();
    checkRemovedSemaphore(sem);
}