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

Example 31 with ICondition

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

the class ConditionAbstractTest method testAwaitUntil_whenSuccess.

@Test(timeout = 60000)
public void testAwaitUntil_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.awaitUntil(currentTimeAfterGivenMillis(10000))) {
                    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 32 with ICondition

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

the class ConditionAbstractTest method testSignalOnConditionOfFreeLock.

@Test(timeout = 60000, expected = IllegalMonitorStateException.class)
public void testSignalOnConditionOfFreeLock() {
    ILock lock = callerInstance.getLock(newName());
    ICondition condition = lock.newCondition("condition");
    condition.signal();
}

Example 33 with ICondition

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

the class ConditionAbstractTest method testContendedLockUnlockWithVeryShortAwait.

/**
     * Testcase for #3025. Tests that an await with short duration in a highly-contended lock does not generate an
     * IllegalStateException (previously due to a race condition in the waiter list for the condition).
     */
@Test(timeout = 60000)
public void testContendedLockUnlockWithVeryShortAwait() throws InterruptedException {
    String lockName = newName();
    String conditionName = newName();
    final ILock lock = callerInstance.getLock(lockName);
    final ICondition condition = lock.newCondition(conditionName);
    final AtomicBoolean running = new AtomicBoolean(true);
    final AtomicReference<Exception> errorRef = new AtomicReference<Exception>();
    final int numberOfThreads = 8;
    final CountDownLatch allFinished = new CountDownLatch(numberOfThreads);
    ExecutorService ex = Executors.newCachedThreadPool();
    for (int i = 0; i < numberOfThreads; i++) {
        ex.execute(new Runnable() {

            @Override
            public void run() {
                try {
                    while (running.get()) {
                        lock.lock();
                        try {
                            condition.await(1, TimeUnit.MILLISECONDS);
                        } catch (InterruptedException ignored) {
                        } catch (IllegalStateException e) {
                            errorRef.set(e);
                            running.set(false);
                        } finally {
                            lock.unlock();
                        }
                    }
                } finally {
                    allFinished.countDown();
                }
            }
        });
    }
    ex.execute(new Runnable() {

        @Override
        public void run() {
            LockSupport.parkNanos(TimeUnit.SECONDS.toNanos(10));
            running.set(false);
        }
    });
    try {
        allFinished.await(30, TimeUnit.SECONDS);
        assertNull("await() on condition threw IllegalStateException!", errorRef.get());
    } finally {
        ex.shutdownNow();
    }
}

Example 34 with ICondition

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

the class ConditionAbstractTest method testSignalAll.

@Test(timeout = 60000)
public void testSignalAll() throws InterruptedException {
    ILock lock = callerInstance.getLock(newName());
    ICondition condition = lock.newCondition(newName());
    CountDownLatch allAwaited = new CountDownLatch(2);
    CountDownLatch allSignalled = new CountDownLatch(2);
    startThreadWaitingOnCondition(lock, condition, allAwaited, allSignalled);
    startThreadWaitingOnCondition(lock, condition, allAwaited, allSignalled);
    assertOpenEventually("All threads should have been reached await", allAwaited);
    signalAll(lock, condition);
    assertOpenEventually("All threads should have been signalled", allSignalled);
}

Example 35 with ICondition

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

the class ConditionAbstractTest method testAwaitUntil_whenDeadLineInThePast.

@Test(timeout = 60000)
public void testAwaitUntil_whenDeadLineInThePast() throws InterruptedException {
    ILock lock = callerInstance.getLock(newName());
    ICondition condition = lock.newCondition(newName());
    lock.lock();
    assertFalse(condition.awaitUntil(currentTimeAfterGivenMillis(-1000)));
}