Examples of com.hazelcast.core.ILock

com.hazelcast.core.ILock
Distributed implementation of {@link Lock}. @see Lock

    }


    @Test(timeout = 60000, expected = NullPointerException.class)
    public void testTryLockTimeout_whenNullTimeout() throws InterruptedException {
        HazelcastInstance instance = createHazelcastInstance();
        ILock lock = instance.getLock("testTryLockTimeout_whenNullTimeout");
        lock.tryLock(1, null);
    }

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    // ======================== unlock ==============================================


    @Test(expected = IllegalMonitorStateException.class)
    public void testUnlock_whenFree() {
        HazelcastInstance instance = createHazelcastInstance();
        ILock lock = instance.getLock("testIllegalUnlock");
        lock.unlock();
    }

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    }


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


        lock.unlock();


        assertFalse(lock.isLocked());
        assertEquals(0, lock.getLockCount());
    }

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    }


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


        lock.unlock();


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

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    }


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


        lock.lock();
        final CountDownLatch latch = new CountDownLatch(1);
        Thread thread = new Thread(new Runnable() {
            @Override
            public void run() {
                lock.lock();
                latch.countDown();


            }
        });
        thread.start();


        lock.unlock();
        latch.await();


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




    }

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    }


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


        try {
            lock.unlock();
            fail();
        } catch (IllegalMonitorStateException expected) {
        }


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

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    // ======================== force unlock ==============================================


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


        lock.forceUnlock();


        assertFalse(lock.isLocked());
        assertEquals(0, lock.getLockCount());
    }

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    }


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


        lock.forceUnlock();


        assertFalse(lock.isLocked());
        assertEquals(0, lock.getLockCount());
    }

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    }


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


        lock.forceUnlock();


        assertFalse(lock.isLocked());
        assertEquals(0, lock.getLockCount());
    }

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    }


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


        lock.forceUnlock();


        assertFalse(lock.isLocked());
        assertEquals(0, lock.getLockCount());
    }

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com.hazelcast.concurrent.lock.ConditionTest

com.hazelcast.concurrent.lock.LockTest

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