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

Example 11 with ICondition

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

the class ConditionAdvancedTest method testDestroyLock_whenOtherWaitingOnConditionAwait.

@Test(timeout = 60000, expected = DistributedObjectDestroyedException.class)
public void testDestroyLock_whenOtherWaitingOnConditionAwait() throws InterruptedException {
    final TestHazelcastInstanceFactory nodeFactory = createHazelcastInstanceFactory(2);
    final HazelcastInstance instance = nodeFactory.newHazelcastInstance();
    final ILock lock = instance.getLock(randomString());
    final ICondition condition = lock.newCondition("condition");
    final CountDownLatch latch = new CountDownLatch(1);
    new Thread(new Runnable() {

        public void run() {
            try {
                latch.await(30, TimeUnit.SECONDS);
                Thread.sleep(5000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            lock.destroy();
        }
    }).start();
    lock.lock();
    latch.countDown();
    condition.await();
    lock.unlock();
}

Example 12 with ICondition

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

the class ConditionAdvancedTest method testInterruptionDuringWaiting.

@Test(timeout = 60000)
public void testInterruptionDuringWaiting() throws InterruptedException {
    Config config = new Config();
    // the system should wait at most 5000 ms in order to determine the operation status
    config.setProperty(GroupProperty.OPERATION_CALL_TIMEOUT_MILLIS.getName(), "5000");
    HazelcastInstance instance = createHazelcastInstance(config);
    final ILock lock = instance.getLock(randomString());
    final ICondition condition0 = lock.newCondition(randomString());
    final CountDownLatch latch = new CountDownLatch(1);
    Thread thread = new Thread(new Runnable() {

        @Override
        public void run() {
            try {
                lock.lock();
                condition0.await();
            } catch (InterruptedException e) {
                latch.countDown();
            }
        }
    });
    thread.start();
    sleepSeconds(2);
    thread.interrupt();
    assertOpenEventually(latch);
}

Example 13 with ICondition

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

the class ConditionAbstractTest method testAwaitExpiration_whenLockIsNotAcquired.

@Test
public void testAwaitExpiration_whenLockIsNotAcquired() 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();
    }
    assertTrueEventually(new AssertTask() {

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

Example 14 with ICondition

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

the class ConditionAbstractTest method testAwaitTimeout_whenSuccess.

@Test(timeout = 60000)
public void testAwaitTimeout_whenSuccess() throws InterruptedException {
    final ILock lock = callerInstance.getLock(newName());
    final ICondition condition = lock.newCondition(newName());
    final CountDownLatch locked = new CountDownLatch(1);
    final AtomicBoolean signalledCorrectly = new AtomicBoolean(false);
    new Thread(new Runnable() {

        @Override
        public void run() {
            lock.lock();
            locked.countDown();
            try {
                if (condition.await(10, TimeUnit.SECONDS)) {
                    signalledCorrectly.set(true);
                }
            } catch (InterruptedException e) {
                ignore(e);
            }
        }
    }).start();
    locked.await();
    signal(lock, condition);
    assertAtomicEventually("awaiting thread should have been signalled", true, signalledCorrectly, THIRTY_SECONDS);
}

Example 15 with ICondition

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

the class ConditionAbstractTest method testSignalIsNotStored.

// A signal send to wake up threads is not a flag set on the condition
// Threads calling await() after signal() has been called will hand on waiting.
@Test(timeout = 60000)
public void testSignalIsNotStored() throws InterruptedException {
    ILock lock = callerInstance.getLock(newName());
    ICondition condition = lock.newCondition(newName());
    CountDownLatch signalled = new CountDownLatch(1);
    signal(lock, condition);
    startThreadWaitingOnCondition(lock, condition, new CountDownLatch(0), signalled);
    assertFalse("The time should elapse but the latch reached zero unexpectedly", signalled.await(3000, TimeUnit.MILLISECONDS));
}