Examples with ILock com.hazelcast.core.ILock used on opensource projects

Example 46 with ILock

use of com.hazelcast.core.ILock in project hazelcast by hazelcast.

the class LockSplitBrainTest method testLockSplitBrain_acquireSameLock.

@Test
public void testLockSplitBrain_acquireSameLock() throws InterruptedException {
    TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory();
    Config config = newConfig();
    HazelcastInstance h1 = factory.newHazelcastInstance(config);
    HazelcastInstance h2 = factory.newHazelcastInstance(config);
    HazelcastInstance h3 = factory.newHazelcastInstance(config);
    warmUpPartitions(h1, h2, h3);
    String key = generateKeyOwnedBy(h3);
    ILock lock1 = h1.getLock(key);
    ILock lock3 = h3.getLock(key);
    lock3.lock();
    waitAllForSafeState(h1, h2, h3);
    // create split: [h1, h2] & [h3]
    closeConnectionBetween(h1, h3);
    closeConnectionBetween(h2, h3);
    assertClusterSizeEventually(2, h1);
    assertClusterSizeEventually(2, h2);
    assertClusterSizeEventually(1, h3);
    // acquire lock on [h1, h2] side
    lock1.lock();
    // release lock on h3 side
    lock3.forceUnlock();
    // merge back
    getNode(h3).getClusterService().merge(getAddress(h1));
    assertClusterSizeEventually(3, h1);
    assertClusterSizeEventually(3, h2);
    assertClusterSizeEventually(3, h3);
    // h3 observes lock as acquired
    assertTrue(lock3.isLocked());
}

Example 47 with ILock

use of com.hazelcast.core.ILock in project hazelcast by hazelcast.

the class LockAdvancedTest method testLockCleanup_whenInvokingMemberDies.

@Test
public void testLockCleanup_whenInvokingMemberDies() {
    TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(2);
    HazelcastInstance hz = factory.newHazelcastInstance();
    HazelcastInstance hz2 = factory.newHazelcastInstance();
    NodeEngineImpl nodeEngine = getNodeEngineImpl(hz2);
    InternalOperationService operationService = getOperationService(hz2);
    warmUpPartitions(hz2);
    String name = randomNameOwnedBy(hz);
    Data key = nodeEngine.toData(name);
    int partitionId = nodeEngine.getPartitionService().getPartitionId(key);
    operationService.invokeOnPartition(LockService.SERVICE_NAME, new SlowLockOperation(name, key, 2000), partitionId);
    sleepMillis(500);
    terminateInstance(hz2);
    final ILock lock = hz.getLock(name);
    assertTrueEventually(new AssertTask() {

        @Override
        public void run() throws Exception {
            assertFalse("Lock owned by dead member should have been released!", lock.isLocked());
        }
    }, 30);
}

Example 48 with ILock

use of com.hazelcast.core.ILock in project hazelcast by hazelcast.

the class LockAdvancedTest method testMaxLockLeaseTime.

@Test
public void testMaxLockLeaseTime() {
    Config config = new Config();
    config.setProperty(GroupProperty.LOCK_MAX_LEASE_TIME_SECONDS.getName(), "1");
    TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(1);
    HazelcastInstance hz = factory.newHazelcastInstance(config);
    final ILock lock = hz.getLock(randomName());
    lock.lock();
    assertTrueEventually(new AssertTask() {

        @Override
        public void run() throws Exception {
            assertFalse("Lock should be released after lease expires!", lock.isLocked());
        }
    }, 30);
}

Example 49 with ILock

use of com.hazelcast.core.ILock in project hazelcast by hazelcast.

the class LockAdvancedTest method testKeyOwnerDies.

@Test(timeout = 100000)
public void testKeyOwnerDies() throws Exception {
    final TestHazelcastInstanceFactory nodeFactory = createHazelcastInstanceFactory(3);
    final HazelcastInstance keyOwner = nodeFactory.newHazelcastInstance();
    final HazelcastInstance instance1 = nodeFactory.newHazelcastInstance();
    final HazelcastInstance instance2 = nodeFactory.newHazelcastInstance();
    warmUpPartitions(keyOwner, instance1, instance2);
    final String key = generateKeyOwnedBy(keyOwner);
    final ILock lock1 = instance1.getLock(key);
    lock1.lock();
    final CountDownLatch latch = new CountDownLatch(1);
    new Thread(new Runnable() {

        public void run() {
            final ILock lock = instance2.getLock(key);
            lock.lock();
            latch.countDown();
        }
    }).start();
    Thread.sleep(1000);
    keyOwner.shutdown();
    assertTrue(lock1.isLocked());
    assertTrue(lock1.isLockedByCurrentThread());
    assertTrue(lock1.tryLock());
    lock1.unlock();
    lock1.unlock();
    assertOpenEventually(latch, 10);
}

Example 50 with ILock

use of com.hazelcast.core.ILock in project hazelcast by hazelcast.

the class ConditionAbstractTest method testAwaitTime_whenTimeout.

@Test
public void testAwaitTime_whenTimeout() throws InterruptedException {
    ILock lock = callerInstance.getLock(newName());
    ICondition condition = lock.newCondition(newName());
    lock.lock();
    boolean success = condition.await(1, TimeUnit.MILLISECONDS);
    assertFalse(success);
    assertTrue(lock.isLockedByCurrentThread());
}