Package com.hazelcast.core

Examples of com.hazelcast.core.HazelcastInstance

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    // TODO: Can you come up with a better name. A name with a number is not very informative.
    @Test
    public void testQueueEviction2() throws Exception {
        final Config config = new Config();
        config.getQueueConfig("q2").setEmptyQueueTtl(0);
        final HazelcastInstance hz = createHazelcastInstance(config);

        final CountDownLatch latch = new CountDownLatch(2);
        hz.addDistributedObjectListener(new DistributedObjectListener() {
            public void distributedObjectCreated(DistributedObjectEvent event) {
                latch.countDown();
            }

            public void distributedObjectDestroyed(DistributedObjectEvent event) {
                latch.countDown();
            }
        });

        final IQueue<Object> q = hz.getQueue("q2");
        q.offer("item");
        q.poll();

        assertTrue(latch.await(10, TimeUnit.SECONDS));
    }
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    @Test
    public void testLatestUpdateMapMergePolicy() {
        String mapName = randomMapName();
        Config config = newConfig(LatestUpdateMapMergePolicy.class.getName(), mapName);
        HazelcastInstance h1 = Hazelcast.newHazelcastInstance(config);
        HazelcastInstance h2 = Hazelcast.newHazelcastInstance(config);

        TestMemberShipListener memberShipListener = new TestMemberShipListener(1);
        h2.getCluster().addMembershipListener(memberShipListener);
        TestLifeCycleListener lifeCycleListener = new TestLifeCycleListener(1);
        h2.getLifecycleService().addLifecycleListener(lifeCycleListener);

        closeConnectionBetween(h1, h2);

        assertOpenEventually(memberShipListener.latch);
        assertClusterSizeEventually(1, h1);
        assertClusterSizeEventually(1, h2);

        IMap<Object, Object> map1 = h1.getMap(mapName);
        IMap<Object, Object> map2 = h2.getMap(mapName);
        map1.put("key1", "value");
        //prevent updating at the same time
        sleepMillis(1);
        map2.put("key1", "LatestUpdatedValue");
        map2.put("key2", "value2");
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    @Test
    public void testHigherHitsMapMergePolicy() {
        String mapName = randomMapName();
        Config config = newConfig(HigherHitsMapMergePolicy.class.getName(), mapName);
        HazelcastInstance h1 = Hazelcast.newHazelcastInstance(config);
        HazelcastInstance h2 = Hazelcast.newHazelcastInstance(config);

        TestMemberShipListener memberShipListener = new TestMemberShipListener(1);
        h2.getCluster().addMembershipListener(memberShipListener);
        TestLifeCycleListener lifeCycleListener = new TestLifeCycleListener(1);
        h2.getLifecycleService().addLifecycleListener(lifeCycleListener);

        closeConnectionBetween(h1, h2);

        assertOpenEventually(memberShipListener.latch);
        assertClusterSizeEventually(1, h1);
        assertClusterSizeEventually(1, h2);

        IMap<Object, Object> map1 = h1.getMap(mapName);
        map1.put("key1", "higherHitsValue");
        map1.put("key2", "value2");
        //increase hits number
        map1.get("key1");
        map1.get("key1");

        IMap<Object, Object> map2 = h2.getMap(mapName);
        map2.put("key1", "value1");
        map2.put("key2", "higherHitsValue2");
        //increase hits number
        map2.get("key2");
        map2.get("key2");

        assertOpenEventually(lifeCycleListener.latch);
        assertClusterSizeEventually(2, h1);
        assertClusterSizeEventually(2, h2);

        IMap<Object, Object> mapTest = h2.getMap(mapName);
        assertEquals("higherHitsValue", mapTest.get("key1"));
        assertEquals("higherHitsValue2", mapTest.get("key2"));
    }
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@Category(QuickTest.class)
public class TransactionQueueTest extends HazelcastTestSupport {

    @Test(expected = IllegalStateException.class)
    public void nestedTransactionTest() {
        final HazelcastInstance instance = createHazelcastInstanceFactory(1).newHazelcastInstance();
        TransactionContext outerTnx = instance.newTransactionContext();
        outerTnx.beginTransaction();
        final String name = randomString();
        final String item = randomString();
        outerTnx.getQueue(name).offer(item);
        try {
            TransactionContext innerTnx = instance.newTransactionContext();
            innerTnx.beginTransaction();
            innerTnx.getQueue(name).offer(item);
            innerTnx.commitTransaction();
        } finally {
            outerTnx.rollbackTransaction();
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    @Test
    public void testPutIfAbsentMapMergePolicy() {
        String mapName = randomMapName();
        Config config = newConfig(PutIfAbsentMapMergePolicy.class.getName(), mapName);
        HazelcastInstance h1 = Hazelcast.newHazelcastInstance(config);
        HazelcastInstance h2 = Hazelcast.newHazelcastInstance(config);

        TestMemberShipListener memberShipListener = new TestMemberShipListener(1);
        h2.getCluster().addMembershipListener(memberShipListener);
        TestLifeCycleListener lifeCycleListener = new TestLifeCycleListener(1);
        h2.getLifecycleService().addLifecycleListener(lifeCycleListener);

        closeConnectionBetween(h1, h2);

        assertOpenEventually(memberShipListener.latch);
        assertClusterSizeEventually(1, h1);
        assertClusterSizeEventually(1, h2);

        IMap<Object, Object> map1 = h1.getMap(mapName);
        map1.put("key1", "PutIfAbsentValue1");

        IMap<Object, Object> map2 = h2.getMap(mapName);
        map2.put("key1", "value");
        map2.put("key2", "PutIfAbsentValue2");

        assertOpenEventually(lifeCycleListener.latch);
        assertClusterSizeEventually(2, h1);
        assertClusterSizeEventually(2, h2);

        IMap<Object, Object> mapTest = h2.getMap(mapName);
        assertEquals("PutIfAbsentValue1", mapTest.get("key1"));
        assertEquals("PutIfAbsentValue2", mapTest.get("key2"));
    }
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    }

    @Test
    public void testRollbackQueue() throws Throwable {
        final TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(4);
        final HazelcastInstance h1 = factory.newHazelcastInstance();

        final TransactionContext transactionContext = h1.newTransactionContext();

        transactionContext.beginTransaction();

        TransactionalQueue<String> queue = transactionContext.getQueue("testq");

        queue.offer("offered-val");

        transactionContext.rollbackTransaction();

        assertNull(h1.getQueue("testq").poll());

    }
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        assertTrue(safe2);
    }

    @Test
    public void isMemberSafe_localMember() throws Exception {
        final HazelcastInstance node = createHazelcastInstance();
        final Member localMember = node.getCluster().getLocalMember();
        final boolean safe = node.getPartitionService().isMemberSafe(localMember);

        assertTrue(safe);
    }
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        assertTrue(safe);
    }

    @Test
    public void test_forceLocalMemberToBeSafe() throws Exception {
        final HazelcastInstance node = createHazelcastInstance();
        final boolean safe = node.getPartitionService().forceLocalMemberToBeSafe(5, TimeUnit.SECONDS);

        assertTrue(safe);
    }
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@Category(QuickTest.class)
public class SystemOperationPrecedenseTest extends HazelcastTestSupport {

    @Test
    public void testPartitionAware() {
        HazelcastInstance hz = createHazelcastInstance();
        OperationService opService = getNode(hz).nodeEngine.getOperationService();

        int pendingOperations = 10000;
        final CountDownLatch latch = new CountDownLatch(1);
        int partitionid = 1;
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        });
    }

    @Test
    public void testPartitionUnaware() {
        HazelcastInstance hz = createHazelcastInstance();
        OperationService opService = getNode(hz).nodeEngine.getOperationService();

        int pendingOperations = 10000;
        final CountDownLatch latch = new CountDownLatch(1);
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