Package com.hazelcast.core

Examples of com.hazelcast.core.ILock.lock()

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    public void testLock() throws Exception {
        String partitionKey = "hazelcast";
        HazelcastInstance hz = getHazelcastInstance(partitionKey);

        ILock lock = hz.getLock("lock@" + partitionKey);
        lock.lock();
        assertEquals("lock@" + partitionKey, lock.getName());
        assertEquals(partitionKey, lock.getPartitionKey());

        Node node = getNode(hz);
        LockServiceImpl lockService = node.nodeEngine.getService(LockServiceImpl.SERVICE_NAME);
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    @Test
    public void testObtainLock_FromDiffClients() throws InterruptedException {

        HazelcastInstance clientA = HazelcastClient.newHazelcastClient();
        ILock lockA = clientA.getLock(name);
        lockA.lock();

        HazelcastInstance clientB = HazelcastClient.newHazelcastClient();
        ILock lockB = clientB.getLock(name);
        boolean lockObtained = lockB.tryLock();
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    }

    @Test
    public void testLockOnClientCrash() throws InterruptedException {
        ILock lock = client1.getLock(keyOwnedByNode2);
        lock.lock();

        client1.getLifecycleService().terminate();

        lock = client2.getLock(keyOwnedByNode2);
        boolean lockObtained = lock.tryLock(120, TimeUnit.SECONDS);
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    }

    @Test
    public void testLockOnClient_withNodeCrash() throws InterruptedException {
        ILock lock = client1.getLock(keyOwnedByNode2);
        lock.lock();

        node2.getLifecycleService().terminate();

        lock = client2.getLock(keyOwnedByNode2);
        boolean lockObtained = lock.tryLock();
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    @Test(timeout = 60000)
    public void testLock_whenNotLocked() {
        HazelcastInstance instance = createHazelcastInstance();
        ILock lock = instance.getLock(randomString());

        lock.lock();
        assertTrue(lock.isLockedByCurrentThread());
        assertEquals(1, lock.getLockCount());
    }

    @Test(timeout = 60000)
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    @Test(timeout = 60000)
    public void testLock_whenLockedBySelf() {
        HazelcastInstance instance = createHazelcastInstance();
        ILock lock = instance.getLock(randomString());

        lock.lock();
        lock.lock();
        assertTrue(lock.isLockedByCurrentThread());
        assertEquals(2, lock.getLockCount());
    }
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    public void testLock_whenLockedBySelf() {
        HazelcastInstance instance = createHazelcastInstance();
        ILock lock = instance.getLock(randomString());

        lock.lock();
        lock.lock();
        assertTrue(lock.isLockedByCurrentThread());
        assertEquals(2, lock.getLockCount());
    }

    @Test(timeout = 60000)
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    @Test(timeout = 60000)
    public void testLock_whenLockedByOther() throws InterruptedException {
        HazelcastInstance instance = createHazelcastInstance();
        final ILock lock = instance.getLock(randomString());

        lock.lock();
        assertTrue(lock.isLocked());
        assertEquals(1, lock.getLockCount());
        assertTrue(lock.isLockedByCurrentThread());

        final CountDownLatch latch = new CountDownLatch(1);
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        final CountDownLatch latch = new CountDownLatch(1);

        Thread t = new Thread() {
            public void run() {
                lock.lock();
                latch.countDown();
            }
        };

        t.start();
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    @Test(timeout = 60000)
    public void testTryLock_whenLockedBySelf() {
        HazelcastInstance instance = createHazelcastInstance();
        ILock lock = instance.getLock(randomString());
        lock.lock();

        boolean result = lock.tryLock();

        assertTrue(result);
        assertTrue(lock.isLockedByCurrentThread());
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