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

Example 26 with ICondition

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

the class ConditionAdvancedTest method testLockConditionSignalAllShutDownKeyOwner.

@Test
public void testLockConditionSignalAllShutDownKeyOwner() throws InterruptedException {
    final TestHazelcastInstanceFactory nodeFactory = createHazelcastInstanceFactory(2);
    final String name = randomString();
    final HazelcastInstance instance = nodeFactory.newHazelcastInstance();
    final AtomicInteger count = new AtomicInteger(0);
    final int size = 50;
    final HazelcastInstance keyOwner = nodeFactory.newHazelcastInstance();
    warmUpPartitions(instance, keyOwner);
    final String key = generateKeyOwnedBy(keyOwner);
    final ILock lock = instance.getLock(key);
    final ICondition condition = lock.newCondition(name);
    final CountDownLatch awaitLatch = new CountDownLatch(size);
    final CountDownLatch finalLatch = new CountDownLatch(size);
    for (int i = 0; i < size; i++) {
        new Thread(new Runnable() {

            public void run() {
                lock.lock();
                try {
                    awaitLatch.countDown();
                    condition.await();
                    if (lock.isLockedByCurrentThread()) {
                        count.incrementAndGet();
                    }
                } catch (InterruptedException ignored) {
                } finally {
                    lock.unlock();
                    finalLatch.countDown();
                }
            }
        }).start();
    }
    ILock lock1 = keyOwner.getLock(key);
    ICondition condition1 = lock1.newCondition(name);
    awaitLatch.await(1, TimeUnit.MINUTES);
    lock1.lock();
    condition1.signalAll();
    lock1.unlock();
    keyOwner.shutdown();
    finalLatch.await(2, TimeUnit.MINUTES);
    assertEquals(size, count.get());
}

Example 27 with ICondition

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

the class ConditionAdvancedTest method testKeyOwnerDiesOnCondition.

// ====================== tests to make sure the condition can deal with cluster member failure ====================
@Test(timeout = 100000)
public void testKeyOwnerDiesOnCondition() throws Exception {
    final TestHazelcastInstanceFactory nodeFactory = createHazelcastInstanceFactory(3);
    final HazelcastInstance keyOwner = nodeFactory.newHazelcastInstance();
    final HazelcastInstance instance1 = nodeFactory.newHazelcastInstance();
    final HazelcastInstance instance2 = nodeFactory.newHazelcastInstance();
    final AtomicInteger signalCounter = new AtomicInteger(0);
    final String key = generateKeyOwnedBy(instance1);
    final ILock lock1 = instance1.getLock(key);
    final String conditionName = randomString();
    final ICondition condition1 = lock1.newCondition(conditionName);
    Thread t = new Thread(new Runnable() {

        public void run() {
            ILock lock = instance2.getLock(key);
            ICondition condition = lock.newCondition(conditionName);
            lock.lock();
            try {
                condition.await();
            } catch (InterruptedException e) {
                e.printStackTrace();
            } finally {
                lock.unlock();
            }
            signalCounter.incrementAndGet();
        }
    });
    t.start();
    Thread.sleep(1000);
    lock1.lock();
    keyOwner.shutdown();
    condition1.signal();
    lock1.unlock();
    Thread.sleep(1000);
    t.join();
    assertEquals(1, signalCounter.get());
}

Example 28 with ICondition

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

the class ConditionAbstractTest method testAwait_whenNegativeTimeout.

// https://github.com/hazelcast/hazelcast/issues/3262
@Test(timeout = 60000)
@Ignore
public void testAwait_whenNegativeTimeout() throws InterruptedException {
    ILock lock = callerInstance.getLock(newName());
    ICondition condition = lock.newCondition(newName());
    lock.lock();
    assertFalse(condition.await(-1, TimeUnit.MILLISECONDS));
}

Example 29 with ICondition

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

the class ConditionAbstractTest method testAwaitExpiration_whenLockIsAcquiredByAnotherThread.

@Test
public void testAwaitExpiration_whenLockIsAcquiredByAnotherThread() throws InterruptedException {
    String lockName = newName();
    String conditionName = newName();
    final ILock lock = callerInstance.getLock(lockName);
    final ICondition condition = lock.newCondition(conditionName);
    final AtomicInteger expires = new AtomicInteger(0);
    final int awaitCount = 10;
    final CountDownLatch awaitLatch = new CountDownLatch(awaitCount);
    for (int i = 0; i < awaitCount; i++) {
        new Thread(new Runnable() {

            public void run() {
                try {
                    lock.lock();
                    awaitLatch.countDown();
                    boolean signalled = condition.await(1, TimeUnit.SECONDS);
                    assertFalse(signalled);
                    expires.incrementAndGet();
                } catch (InterruptedException ignored) {
                } finally {
                    lock.unlock();
                }
            }
        }).start();
    }
    awaitLatch.await(2, TimeUnit.MINUTES);
    lock.lock();
    sleepSeconds(2);
    lock.unlock();
    assertTrueEventually(new AssertTask() {

        @Override
        public void run() throws Exception {
            assertEquals(awaitCount, expires.get());
        }
    });
}

Example 30 with ICondition

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

the class ConditionAbstractTest method testAwaitNanos_remainingTime.

@Test
public void testAwaitNanos_remainingTime() throws InterruptedException {
    String name = newName();
    ILock lock = callerInstance.getLock(name);
    ICondition condition = lock.newCondition(name);
    lock.lock();
    long remainingTimeout = condition.awaitNanos(1000L);
    assertTrue("Remaining timeout should be <= 0, but it's = " + remainingTimeout, remainingTimeout <= 0);
}