Examples with CopyOnWriteArrayList java.util.concurrent.CopyOnWriteArrayList used on opensource projects

Example 31 with CopyOnWriteArrayList

use of java.util.concurrent.CopyOnWriteArrayList in project geode by apache.

the class AlertAppenderJUnitTest method testListenerHandling.

/**
   * Verify that adding/removing/replacing listeners works correctly.
   */
@Test
public void testListenerHandling() throws Exception {
    DistributedMember member1 = createTestDistributedMember("Member1");
    DistributedMember member2 = createTestDistributedMember("Member2");
    DistributedMember member3 = createTestDistributedMember("Member3");
    DistributedMember member4 = createTestDistributedMember("Member4");
    DistributedMember member5 = createTestDistributedMember("Member5");
    DistributedMember member6 = createTestDistributedMember("Member6");
    LogService.setBaseLogLevel(Level.WARN);
    AlertAppender.getInstance().addAlertListener(member1, Alert.SEVERE);
    AlertAppender.getInstance().addAlertListener(member2, Alert.WARNING);
    AlertAppender.getInstance().addAlertListener(member3, Alert.ERROR);
    AlertAppender.getInstance().addAlertListener(member4, Alert.ERROR);
    AlertAppender.getInstance().addAlertListener(member5, Alert.WARNING);
    AlertAppender.getInstance().addAlertListener(member6, Alert.SEVERE);
    Field listenersField = AlertAppender.getInstance().getClass().getDeclaredField("listeners");
    listenersField.setAccessible(true);
    @SuppressWarnings("unchecked") final CopyOnWriteArrayList<AlertAppender.Listener> listeners = (CopyOnWriteArrayList<AlertAppender.Listener>) listenersField.get(AlertAppender.getInstance());
    // Verify add
    assertSame(member5, listeners.get(0).getMember());
    assertSame(member2, listeners.get(1).getMember());
    assertSame(member4, listeners.get(2).getMember());
    assertSame(member3, listeners.get(3).getMember());
    assertSame(member6, listeners.get(4).getMember());
    assertSame(member1, listeners.get(5).getMember());
    assertSame(6, listeners.size());
    // Verify replace with same level
    AlertAppender.getInstance().addAlertListener(member5, Alert.WARNING);
    assertSame(member5, listeners.get(0).getMember());
    assertSame(member2, listeners.get(1).getMember());
    assertSame(member4, listeners.get(2).getMember());
    assertSame(member3, listeners.get(3).getMember());
    assertSame(member6, listeners.get(4).getMember());
    assertSame(member1, listeners.get(5).getMember());
    assertSame(6, listeners.size());
    // Verify replace with difference level
    AlertAppender.getInstance().addAlertListener(member5, Alert.SEVERE);
    assertSame(member2, listeners.get(0).getMember());
    assertSame(member4, listeners.get(1).getMember());
    assertSame(member3, listeners.get(2).getMember());
    assertSame(member5, listeners.get(3).getMember());
    assertSame(member6, listeners.get(4).getMember());
    assertSame(member1, listeners.get(5).getMember());
    assertSame(6, listeners.size());
    // Verify remove
    assertTrue(AlertAppender.getInstance().removeAlertListener(member3));
    assertSame(member2, listeners.get(0).getMember());
    assertSame(member4, listeners.get(1).getMember());
    assertSame(member5, listeners.get(2).getMember());
    assertSame(member6, listeners.get(3).getMember());
    assertSame(member1, listeners.get(4).getMember());
    assertSame(5, listeners.size());
    assertTrue(AlertAppender.getInstance().removeAlertListener(member1));
    assertTrue(AlertAppender.getInstance().removeAlertListener(member2));
    assertFalse(AlertAppender.getInstance().removeAlertListener(member3));
    assertTrue(AlertAppender.getInstance().removeAlertListener(member4));
    assertTrue(AlertAppender.getInstance().removeAlertListener(member5));
    assertTrue(AlertAppender.getInstance().removeAlertListener(member6));
}

Example 32 with CopyOnWriteArrayList

use of java.util.concurrent.CopyOnWriteArrayList in project Shuttle by timusus.

the class VideoCastManager method onQueueUpdated.

/*
    * This is called by onQueueStatusUpdated() of RemoteMediaPlayer
    */
private void onQueueUpdated(List<MediaQueueItem> queueItems, MediaQueueItem item, int repeatMode, boolean shuffle) {
    LOGD(TAG, "onQueueUpdated() reached");
    LOGD(TAG, String.format("Queue Items size: %d, Item: %s, Repeat Mode: %d, Shuffle: %s", queueItems == null ? 0 : queueItems.size(), item, repeatMode, shuffle));
    if (queueItems != null) {
        mMediaQueue = new MediaQueue(new CopyOnWriteArrayList<>(queueItems), item, shuffle, repeatMode);
    } else {
        mMediaQueue = new MediaQueue(new CopyOnWriteArrayList<MediaQueueItem>(), null, false, MediaStatus.REPEAT_MODE_REPEAT_OFF);
    }
    for (VideoCastConsumer consumer : mVideoConsumers) {
        consumer.onMediaQueueUpdated(queueItems, item, repeatMode, shuffle);
    }
}

Example 33 with CopyOnWriteArrayList

use of java.util.concurrent.CopyOnWriteArrayList in project hazelcast by hazelcast.

the class XAResourceProxy method start.

@Override
public void start(Xid xid, int flags) throws XAException {
    long threadId = currentThreadId();
    TransactionContext threadContext = threadContextMap.get(currentThreadId());
    switch(flags) {
        case TMNOFLAGS:
            List<TransactionContext> contexts = new CopyOnWriteArrayList<TransactionContext>();
            List<TransactionContext> currentContexts = xidContextMap.putIfAbsent(xid, contexts);
            if (currentContexts != null) {
                throw new XAException("There is already TransactionContexts for the given xid: " + xid);
            }
            TransactionContext context = createTransactionContext(xid);
            contexts.add(context);
            threadContextMap.put(threadId, context);
            break;
        case TMRESUME:
        case TMJOIN:
            List<TransactionContext> contextList = xidContextMap.get(xid);
            if (contextList == null) {
                throw new XAException("There is no TransactionContexts for the given xid: " + xid);
            }
            if (threadContext == null) {
                threadContext = createTransactionContext(xid);
                threadContextMap.put(threadId, threadContext);
                contextList.add(threadContext);
            }
            break;
        default:
            throw new XAException("Unknown flag!" + flags);
    }
}

Example 34 with CopyOnWriteArrayList

use of java.util.concurrent.CopyOnWriteArrayList in project hazelcast by hazelcast.

the class ClientDiscoverySpiTest method testNodeStartup.

@Test
public void testNodeStartup() {
    Config config = new Config();
    config.setProperty("hazelcast.discovery.enabled", "true");
    config.getNetworkConfig().setPort(50001);
    InterfacesConfig interfaces = config.getNetworkConfig().getInterfaces();
    interfaces.clear();
    interfaces.setEnabled(true);
    interfaces.addInterface("127.0.0.1");
    List<DiscoveryNode> discoveryNodes = new CopyOnWriteArrayList<DiscoveryNode>();
    DiscoveryStrategyFactory factory = new CollectingDiscoveryStrategyFactory(discoveryNodes);
    JoinConfig join = config.getNetworkConfig().getJoin();
    join.getTcpIpConfig().setEnabled(false);
    join.getMulticastConfig().setEnabled(false);
    DiscoveryConfig discoveryConfig = join.getDiscoveryConfig();
    discoveryConfig.getDiscoveryStrategyConfigs().clear();
    DiscoveryStrategyConfig strategyConfig = new DiscoveryStrategyConfig(factory, Collections.<String, Comparable>emptyMap());
    discoveryConfig.addDiscoveryStrategyConfig(strategyConfig);
    final HazelcastInstance hazelcastInstance1 = Hazelcast.newHazelcastInstance(config);
    final HazelcastInstance hazelcastInstance2 = Hazelcast.newHazelcastInstance(config);
    final HazelcastInstance hazelcastInstance3 = Hazelcast.newHazelcastInstance(config);
    try {
        ClientConfig clientConfig = new ClientConfig();
        clientConfig.setProperty("hazelcast.discovery.enabled", "true");
        discoveryConfig = clientConfig.getNetworkConfig().getDiscoveryConfig();
        discoveryConfig.getDiscoveryStrategyConfigs().clear();
        strategyConfig = new DiscoveryStrategyConfig(factory, Collections.<String, Comparable>emptyMap());
        discoveryConfig.addDiscoveryStrategyConfig(strategyConfig);
        final HazelcastInstance client = HazelcastClient.newHazelcastClient(clientConfig);
        assertNotNull(hazelcastInstance1);
        assertNotNull(hazelcastInstance2);
        assertNotNull(hazelcastInstance3);
        assertNotNull(client);
        assertTrueEventually(new AssertTask() {

            @Override
            public void run() throws Exception {
                assertEquals(3, hazelcastInstance1.getCluster().getMembers().size());
                assertEquals(3, hazelcastInstance2.getCluster().getMembers().size());
                assertEquals(3, hazelcastInstance3.getCluster().getMembers().size());
                assertEquals(3, client.getCluster().getMembers().size());
            }
        });
    } finally {
        HazelcastClient.shutdownAll();
        Hazelcast.shutdownAll();
    }
}

Example 35 with CopyOnWriteArrayList

use of java.util.concurrent.CopyOnWriteArrayList in project hazelcast by hazelcast.

the class ClientDiscoverySpiTest method testDiscoveryServiceLifecycleMethodsCalledWhenClientAndServerStartAndShutdown.

@Test
public void testDiscoveryServiceLifecycleMethodsCalledWhenClientAndServerStartAndShutdown() {
    //Given
    Config config = new Config();
    config.setProperty("hazelcast.discovery.enabled", "true");
    config.getNetworkConfig().setPort(50001);
    InterfacesConfig interfaces = config.getNetworkConfig().getInterfaces();
    interfaces.clear();
    interfaces.setEnabled(true);
    interfaces.addInterface("127.0.0.1");
    //Both server and client are using the same LifecycleDiscoveryStrategyFactory so latch count is set to 2.
    CountDownLatch startLatch = new CountDownLatch(2);
    CountDownLatch stopLatch = new CountDownLatch(2);
    List<DiscoveryNode> discoveryNodes = new CopyOnWriteArrayList<DiscoveryNode>();
    DiscoveryStrategyFactory factory = new LifecycleDiscoveryStrategyFactory(startLatch, stopLatch, discoveryNodes);
    JoinConfig join = config.getNetworkConfig().getJoin();
    join.getTcpIpConfig().setEnabled(false);
    join.getMulticastConfig().setEnabled(false);
    DiscoveryConfig discoveryConfig = join.getDiscoveryConfig();
    discoveryConfig.getDiscoveryStrategyConfigs().clear();
    DiscoveryStrategyConfig strategyConfig = new DiscoveryStrategyConfig(factory, Collections.<String, Comparable>emptyMap());
    discoveryConfig.addDiscoveryStrategyConfig(strategyConfig);
    final HazelcastInstance hazelcastInstance = Hazelcast.newHazelcastInstance(config);
    ClientConfig clientConfig = new ClientConfig();
    clientConfig.setProperty("hazelcast.discovery.enabled", "true");
    discoveryConfig = clientConfig.getNetworkConfig().getDiscoveryConfig();
    discoveryConfig.getDiscoveryStrategyConfigs().clear();
    strategyConfig = new DiscoveryStrategyConfig(factory, Collections.<String, Comparable>emptyMap());
    discoveryConfig.addDiscoveryStrategyConfig(strategyConfig);
    final HazelcastInstance client = HazelcastClient.newHazelcastClient(clientConfig);
    assertNotNull(hazelcastInstance);
    assertNotNull(client);
    //When
    HazelcastClient.shutdownAll();
    Hazelcast.shutdownAll();
    //Then
    assertOpenEventually(startLatch);
    assertOpenEventually(stopLatch);
}