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

Example 11 with ILock

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

the class LockAdvancedTest method testScheduledLockActionForDeadMember.

@Test(timeout = 100000)
public void testScheduledLockActionForDeadMember() throws Exception {
    final TestHazelcastInstanceFactory nodeFactory = createHazelcastInstanceFactory(2);
    final HazelcastInstance h1 = nodeFactory.newHazelcastInstance();
    final ILock lock1 = h1.getLock("default");
    final HazelcastInstance h2 = nodeFactory.newHazelcastInstance();
    final ILock lock2 = h2.getLock("default");
    assertTrue(lock1.tryLock());
    final AtomicBoolean error = new AtomicBoolean(false);
    Thread thread = new Thread(new Runnable() {

        public void run() {
            try {
                lock2.lock();
                error.set(true);
            } catch (Throwable ignored) {
            }
        }
    });
    thread.start();
    Thread.sleep(5000);
    assertTrue(lock1.isLocked());
    h2.shutdown();
    thread.join(10000);
    assertFalse(thread.isAlive());
    assertFalse(error.get());
    assertTrue(lock1.isLocked());
    lock1.unlock();
    assertFalse(lock1.isLocked());
    assertTrue(lock1.tryLock());
}

Example 12 with ILock

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

the class LockAdvancedTest method testLockFail_whenGreaterThanMaxLeaseTimeUsed.

@Test(expected = IllegalArgumentException.class)
public void testLockFail_whenGreaterThanMaxLeaseTimeUsed() {
    Config config = new Config();
    config.setProperty(GroupProperty.LOCK_MAX_LEASE_TIME_SECONDS.getName(), "1");
    TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(1);
    HazelcastInstance hz = factory.newHazelcastInstance(config);
    ILock lock = hz.getLock(randomName());
    lock.lock(10, TimeUnit.SECONDS);
}

Example 13 with ILock

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

the class LockAdvancedTest method testIsLocked.

/**
     * Test for issue #39
     */
@Test
public void testIsLocked() throws InterruptedException {
    final TestHazelcastInstanceFactory nodeFactory = createHazelcastInstanceFactory(3);
    final HazelcastInstance h1 = nodeFactory.newHazelcastInstance();
    final HazelcastInstance h2 = nodeFactory.newHazelcastInstance();
    final HazelcastInstance h3 = nodeFactory.newHazelcastInstance();
    final String key = "testLockIsLocked";
    final ILock lock = h1.getLock(key);
    final ILock lock2 = h2.getLock(key);
    assertFalse(lock.isLocked());
    assertFalse(lock2.isLocked());
    lock.lock();
    assertTrue(lock.isLocked());
    assertTrue(lock2.isLocked());
    final CountDownLatch latch = new CountDownLatch(1);
    final CountDownLatch latch2 = new CountDownLatch(1);
    Thread thread = new Thread(new Runnable() {

        public void run() {
            ILock lock3 = h3.getLock(key);
            assertTrue(lock3.isLocked());
            try {
                latch2.countDown();
                while (lock3.isLocked()) {
                    Thread.sleep(100);
                }
                latch.countDown();
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }
        }
    });
    thread.start();
    latch2.await(3, TimeUnit.SECONDS);
    Thread.sleep(500);
    lock.unlock();
    assertOpenEventually(latch, 5);
}

Example 14 with ILock

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

the class LockAdvancedTest method testLockLeaseTime_whenKeyOwnerMemberDies.

@Test
public void testLockLeaseTime_whenKeyOwnerMemberDies() {
    TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(2);
    HazelcastInstance hz1 = factory.newHazelcastInstance();
    HazelcastInstance hz2 = factory.newHazelcastInstance();
    warmUpPartitions(hz1, hz2);
    String key = generateKeyOwnedBy(hz1);
    final ILock lock = hz2.getLock(key);
    lock.lock(3, TimeUnit.SECONDS);
    terminateInstance(hz1);
    assertTrueEventually(new AssertTask() {

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

Example 15 with ILock

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

the class LockAdvancedTest method testLockInterruptibly.

@Test
public void testLockInterruptibly() throws Exception {
    Config config = new Config();
    config.setProperty(GroupProperty.OPERATION_CALL_TIMEOUT_MILLIS.getName(), "5000");
    final TestHazelcastInstanceFactory nodeFactory = createHazelcastInstanceFactory(1);
    final HazelcastInstance h1 = nodeFactory.newHazelcastInstance(config);
    final ILock lock = h1.getLock(randomString());
    final CountDownLatch latch = new CountDownLatch(1);
    lock.lock();
    Thread t = new Thread() {

        public void run() {
            try {
                lock.lockInterruptibly();
            } catch (InterruptedException e) {
                latch.countDown();
            }
        }
    };
    t.start();
    sleepMillis(5000);
    t.interrupt();
    assertOpenEventually(latch, 30);
}