Package com.hazelcast.core

Examples of com.hazelcast.core.ILock

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    // ======================== lock ==================================================

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

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

    @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);

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

        t.start();
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    // ======================== try lock ==============================================

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

        boolean result = lock.tryLock();

        assertTrue(result);
        assertTrue(lock.isLockedByCurrentThread());
        assertEquals(1, lock.getLockCount());
    }
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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());
        assertEquals(2, lock.getLockCount());
    }
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    }

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

        boolean result = lock.tryLock();

        assertFalse(result);
        assertFalse(lock.isLockedByCurrentThread());
        assertTrue(lock.isLocked());
        assertEquals(1, lock.getLockCount());
    }
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    // ======================== try lock with timeout ==============================================

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

        boolean result = lock.tryLock(1, TimeUnit.SECONDS);

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

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

        boolean result = lock.tryLock(1, TimeUnit.SECONDS);

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

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

        boolean result = lock.tryLock(1, TimeUnit.SECONDS);

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

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

        final CountDownLatch latch = new CountDownLatch(1);
        new Thread(new Runnable() {
            @Override
            public void run() {
                lock.lock();
                latch.countDown();
                sleepSeconds(1);
                lock.unlock();
            }
        }).start();
        latch.await();
        assertTrue(lock.tryLock(3, TimeUnit.SECONDS));

        assertTrue(lock.isLocked());
        assertTrue(lock.isLockedByCurrentThread());

    }
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Related Classes of com.hazelcast.core.ILock

  • com.hazelcast.client.ClientRegressionTest
  • com.hazelcast.client.lock.ClientConcurrentLockTest
  • com.hazelcast.client.lock.ClientLockTest
  • com.hazelcast.client.lock.ClientLockWithTerminationTest
  • com.hazelcast.concurrent.lock.ConditionTest
  • com.hazelcast.concurrent.lock.LockTest
  • com.hazelcast.concurrent.lock.ProducerConsumerConditionStressTest
  • com.hazelcast.partition.PartitionControlledIdTest
  • com.hazelcast.spi.InvocationTest
  • org.apache.tuscany.sca.endpoint.hazelcast.HazelcastEndpointRegistry
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