Java Code Examples for org.apache.zookeeper.Watcher.Event.EventType

The following are top voted examples for showing how to use org.apache.zookeeper.Watcher.Event.EventType. These examples are extracted from open source projects. You can vote up the examples you like and your votes will be used in our system to generate more good examples.

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Example 1

Project: TakinRPC File: ZkClient.java View source code

6 votes

private void processDataOrChildChange(WatchedEvent event) {
    final String path = event.getPath();

    if (event.getType() == EventType.NodeChildrenChanged || event.getType() == EventType.NodeCreated || event.getType() == EventType.NodeDeleted) {
        Set<IZkChildListener> childListeners = _childListener.get(path);
        if (childListeners != null && !childListeners.isEmpty()) {
            fireChildChangedEvents(path, childListeners);
        }
    }

    if (event.getType() == EventType.NodeDataChanged || event.getType() == EventType.NodeDeleted || event.getType() == EventType.NodeCreated) {
        Set<IZkDataListener> listeners = _dataListener.get(path);
        if (listeners != null && !listeners.isEmpty()) {
            fireDataChangedEvents(event.getPath(), listeners);
        }
    }
}

Example 2

Project: ZooKeeper File: DataTree.java View source code

6 votes

public Stat setData(String path, byte data[], int version, long zxid,
        long time) throws KeeperException.NoNodeException {
    Stat s = new Stat();
    DataNode n = nodes.get(path);
    if (n == null) {
        throw new KeeperException.NoNodeException();
    }
    byte lastdata[] = null;
    synchronized (n) {
        lastdata = n.data;
        n.data = data;
        n.stat.setMtime(time);
        n.stat.setMzxid(zxid);
        n.stat.setVersion(version);
        n.copyStat(s);
    }
    // now update if the path is in a quota subtree.
    String lastPrefix;
    if((lastPrefix = getMaxPrefixWithQuota(path)) != null) {
      this.updateBytes(lastPrefix, (data == null ? 0 : data.length)
          - (lastdata == null ? 0 : lastdata.length));
    }
    dataWatches.triggerWatch(path, EventType.NodeDataChanged);
    return s;
}

Example 3

Project: TITAN File: MasterElection.java View source code

6 votes

@Override
public void process(WatchedEvent event) {
	ZooKeeper zkClient = zookeeperConnManager.getZkClient();
	try {
		/* 重新注册节点 */
		zkClient.exists(nodePath, this);
		EventType eventType = event.getType();
		switch (eventType) {
		case NodeDeleted:
			election();
			break;
		default:
			break;
		}
	} catch (Exception e) {
		log.error("error", e);
	}
}

Example 4

Project: TITAN File: WatchAgents.java View source code

6 votes

@Override
public void process(WatchedEvent event) {
	ZooKeeper zkClient = zookeeperConnManager.getZkClient();
	try {
		/* 重新注册节点 */
		List<String> childrens = zkClient.getChildren(nodePath, this);
		EventType eventType = event.getType();
		switch (eventType) {
		case NodeChildrenChanged:
			log.info("当前注册中心内的成功注册的agent数量-->"
					+ childrens.stream().filter(children -> children.startsWith("agent")).count());
			break;
		default:
			break;
		}
	} catch (Exception e) {
		log.error("error", e);
	}
}

Example 5

Project: fuck_zookeeper File: DataTree.java View source code

6 votes

public Stat setData(String path, byte data[], int version, long zxid,
        long time) throws KeeperException.NoNodeException {
    Stat s = new Stat();
    DataNode n = nodes.get(path);
    if (n == null) {
        throw new KeeperException.NoNodeException();
    }
    byte lastdata[] = null;
    synchronized (n) {
        lastdata = n.data;
        n.data = data;
        n.stat.setMtime(time);
        n.stat.setMzxid(zxid);
        n.stat.setVersion(version);
        n.copyStat(s);
    }
    // now update if the path is in a quota subtree.
    String lastPrefix;
    if((lastPrefix = getMaxPrefixWithQuota(path)) != null) {
      this.updateBytes(lastPrefix, (data == null ? 0 : data.length)
          - (lastdata == null ? 0 : lastdata.length));
    }
    dataWatches.triggerWatch(path, EventType.NodeDataChanged);
    return s;
}

Example 6

Project: ZooKeeper File: WatchEventWhenAutoReset.java View source code

6 votes

@Test
public void testNodeCreated() throws Exception {
    QuorumUtil qu = new QuorumUtil(1);
    qu.startAll();

    EventsWatcher watcher = new EventsWatcher();
    ZooKeeper zk1 = createClient(qu, 1, watcher);
    ZooKeeper zk2 = createClient(qu, 2);

    String path = "/test1-created";

    zk1.exists(path, watcher);
    qu.shutdown(1);
    zk2.create(path, new byte[2], ZooDefs.Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT);
    qu.start(1);
    watcher.waitForConnected(TIMEOUT * 1000L);
    watcher.assertEvent(TIMEOUT, EventType.NodeCreated);

    qu.shutdownAll();
}

Example 7

Project: fuck_zookeeper File: WatcherFuncTest.java View source code

6 votes

public void process(WatchedEvent event) {
    if (event.getState() == KeeperState.SyncConnected) {
        if (latch != null) {
            latch.countDown();
        }
    }

    if (event.getType() == EventType.None) {
        return;
    }
    try {
        events.put(event);
    } catch (InterruptedException e) {
        Assert.assertTrue("interruption unexpected", false);
    }
}

Example 8

Project: fuck_zookeeper File: WatchEventWhenAutoReset.java View source code

6 votes

@Test
public void testNodeCreated() throws Exception {
    QuorumUtil qu = new QuorumUtil(1);
    qu.startAll();

    EventsWatcher watcher = new EventsWatcher();
    ZooKeeper zk1 = createClient(qu, 1, watcher);
    ZooKeeper zk2 = createClient(qu, 2);

    String path = "/test1-created";

    zk1.exists(path, watcher);
    qu.shutdown(1);
    zk2.create(path, new byte[2], ZooDefs.Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT);
    qu.start(1);
    watcher.waitForConnected(TIMEOUT * 1000L);
    watcher.assertEvent(TIMEOUT, EventType.NodeCreated);

    qu.shutdownAll();
}

Example 9

Project: fuck_zookeeper File: WatchEventWhenAutoReset.java View source code

6 votes

@Test
public void testNodeChildrenChanged() throws Exception {
    QuorumUtil qu = new QuorumUtil(1);
    qu.startAll();

    EventsWatcher watcher = new EventsWatcher();
    ZooKeeper zk1 = createClient(qu, 1, watcher);
    ZooKeeper zk2 = createClient(qu, 2);

    String path = "/test-children-changed";

    zk1.create(path, new byte[1], ZooDefs.Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT);
    zk1.getChildren(path, watcher);
    qu.shutdown(1);
    zk2.create(path + "/children-1", new byte[2],
            ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
    qu.start(1);
    watcher.waitForConnected(TIMEOUT * 1000L);
    watcher.assertEvent(TIMEOUT, EventType.NodeChildrenChanged);

    qu.shutdownAll();
}

Example 10

Project: fuck_zookeeper File: ZooInspectorManagerImpl.java View source code

6 votes

public void process(WatchedEvent event) {
    if (!closed) {
        try {
            if (event.getType() != EventType.NodeDeleted) {

                Stat s = zooKeeper.exists(nodePath, this);
                if (s != null) {
                    zookeeper.getChildren(nodePath, this);
                }
            }
        } catch (Exception e) {
            LoggerFactory.getLogger().error(
                    "Error occured re-adding node watcherfor node "
                            + nodePath, e);
        }
        nodeListener.processEvent(event.getPath(), event.getType()
                .name(), null);
    }
}

Example 11

Project: otter-G File: ZkClientx.java View source code

6 votes

private void processDataOrChildChange(WatchedEvent event) {
    final String path = event.getPath();

    if (event.getType() == EventType.NodeChildrenChanged || event.getType() == EventType.NodeCreated
        || event.getType() == EventType.NodeDeleted) {
        Set<IZkChildListener> childListeners = _childListener.get(path);
        if (childListeners != null && !childListeners.isEmpty()) {
            fireChildChangedEvents(path, childListeners);
        }
    }

    if (event.getType() == EventType.NodeDataChanged || event.getType() == EventType.NodeDeleted
        || event.getType() == EventType.NodeCreated) {
        Set<IZkDataListener> listeners = _dataListener.get(path);
        if (listeners != null && !listeners.isEmpty()) {
            fireDataChangedEvents(event.getPath(), listeners);
        }
    }
}

Example 12

Project: https-github.com-apache-zookeeper File: ClientCnxn.java View source code

6 votes

private void queueEvent(WatchedEvent event,
        Set<Watcher> materializedWatchers) {
    if (event.getType() == EventType.None
            && sessionState == event.getState()) {
        return;
    }
    sessionState = event.getState();
    final Set<Watcher> watchers;
    if (materializedWatchers == null) {
        // materialize the watchers based on the event
        watchers = watcher.materialize(event.getState(),
                event.getType(), event.getPath());
    } else {
        watchers = new HashSet<Watcher>();
        watchers.addAll(materializedWatchers);
    }
    WatcherSetEventPair pair = new WatcherSetEventPair(watchers, event);
    // queue the pair (watch set & event) for later processing
    waitingEvents.add(pair);
}

Example 13

Project: ZooKeeper File: ZooInspectorManagerImpl.java View source code

6 votes

public void process(WatchedEvent event) {
    if (!closed) {
        try {
            if (event.getType() != EventType.NodeDeleted) {

                Stat s = zooKeeper.exists(nodePath, this);
                if (s != null) {
                    zookeeper.getChildren(nodePath, this);
                }
            }
        } catch (Exception e) {
            LoggerFactory.getLogger().error(
                    "Error occurred re-adding node watcherfor node "
                            + nodePath, e);
        }
        nodeListener.processEvent(event.getPath(), event.getType()
                .name(), null);
    }
}

Example 14

Project: https-github.com-apache-zookeeper File: RemoveWatchesCmdTest.java View source code

6 votes

/**
 * Test verifies deletion of NodeChildrenChanged watches
 */
@Test(timeout = 30000)
public void testRemoveNodeChildrenChangedWatches() throws Exception {
    List<EventType> expectedEvents = new ArrayList<Watcher.Event.EventType>();
    expectedEvents.add(EventType.ChildWatchRemoved);
    MyWatcher myWatcher = new MyWatcher("/testnode1", expectedEvents, 1);

    zk.create("/testnode1", "data".getBytes(), Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT);
    LOG.info("Adding child changed watcher");
    zk.getChildren("/testnode1", myWatcher);

    String cmdstring = "removewatches /testnode1 -c";
    LOG.info("Remove watchers using shell command : {}", cmdstring);
    zkMain.cl.parseCommand(cmdstring);
    Assert.assertTrue("Removewatches cmd fails to remove child watches",
            zkMain.processZKCmd(zkMain.cl));
    myWatcher.matches();
    Assert.assertEquals(
            "Failed to remove child watches : " + zk.getChildWatches(), 0,
            zk.getChildWatches().size());
}

Example 15

Project: https-github.com-apache-zookeeper File: WatcherFuncTest.java View source code

6 votes

public void process(WatchedEvent event) {
    if (event.getState() == KeeperState.SyncConnected) {
        if (latch != null) {
            latch.countDown();
        }
    }

    if (event.getType() == EventType.None) {
        return;
    }
    try {
        events.put(event);
    } catch (InterruptedException e) {
        Assert.assertTrue("interruption unexpected", false);
    }
}

Example 16

Project: ZooKeeper File: ZooInspectorManagerImpl.java View source code

6 votes

public void process(WatchedEvent event) {
    if (!closed) {
        try {
            if (event.getType() != EventType.NodeDeleted) {

                Stat s = zooKeeper.exists(nodePath, this);
                if (s != null) {
                    zookeeper.getChildren(nodePath, this);
                }
            }
        } catch (Exception e) {
            LoggerFactory.getLogger().error(
                    "Error occurred re-adding node watcherfor node "
                            + nodePath, e);
        }
        nodeListener.processEvent(event.getPath(), event.getType()
                .name(), null);
    }
}

Example 17

Project: https-github.com-apache-zookeeper File: WatchEventWhenAutoResetTest.java View source code

6 votes

@Test
public void testNodeCreated() throws Exception {
    QuorumUtil qu = new QuorumUtil(1);
    qu.startAll();

    EventsWatcher watcher = new EventsWatcher();
    ZooKeeper zk1 = createClient(qu, 1, watcher);
    ZooKeeper zk2 = createClient(qu, 2);

    String path = "/test1-created";

    zk1.exists(path, watcher);
    qu.shutdown(1);
    zk2.create(path, new byte[2], ZooDefs.Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT);
    qu.start(1);
    watcher.waitForConnected(TIMEOUT * 1000L);
    watcher.assertEvent(TIMEOUT, EventType.NodeCreated);

    qu.shutdownAll();
}

Example 18

Project: https-github.com-apache-zookeeper File: WatchEventWhenAutoResetTest.java View source code

6 votes

@Test
public void testNodeChildrenChanged() throws Exception {
    QuorumUtil qu = new QuorumUtil(1);
    qu.startAll();

    EventsWatcher watcher = new EventsWatcher();
    ZooKeeper zk1 = createClient(qu, 1, watcher);
    ZooKeeper zk2 = createClient(qu, 2);

    String path = "/test-children-changed";

    zk1.create(path, new byte[1], ZooDefs.Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT);
    zk1.getChildren(path, watcher);
    qu.shutdown(1);
    zk2.create(path + "/children-1", new byte[2],
            ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
    qu.start(1);
    watcher.waitForConnected(TIMEOUT * 1000L);
    watcher.assertEvent(TIMEOUT, EventType.NodeChildrenChanged);

    qu.shutdownAll();
}

Example 19

Project: ZooKeeper File: WatcherFuncTest.java View source code

6 votes

public void process(WatchedEvent event) {
    if (event.getState() == KeeperState.SyncConnected) {
        if (latch != null) {
            latch.countDown();
        }
    }

    if (event.getType() == EventType.None) {
        return;
    }
    try {
        events.put(event);
    } catch (InterruptedException e) {
        Assert.assertTrue("interruption unexpected", false);
    }
}

Example 20

Project: jsf-core File: ZkClient.java View source code

6 votes

private void processDataOrChildChange(WatchedEvent event) {
	final String path = event.getPath();

	if (event.getType() == EventType.NodeChildrenChanged
			|| event.getType() == EventType.NodeCreated
			|| event.getType() == EventType.NodeDeleted) {
		Set<IZkChildListener> childListeners = _childListener.get(path);
		if (childListeners != null && !childListeners.isEmpty()) {
			fireChildChangedEvents(path, childListeners);
		}
	}

	if (event.getType() == EventType.NodeDataChanged
			|| event.getType() == EventType.NodeDeleted
			|| event.getType() == EventType.NodeCreated) {
		Set<IZkDataListener> listeners = _dataListener.get(path);
		if (listeners != null && !listeners.isEmpty()) {
			fireDataChangedEvents(event.getPath(), listeners);
		}
	}
}

Example 21

Project: ZooKeeper File: DataTreeV1.java View source code

6 votes

public Stat setData(String path, byte data[], int version, long zxid,
        long time) throws KeeperException.NoNodeException {
    Stat s = new Stat();
    DataNodeV1 n = nodes.get(path);
    if (n == null) {
        throw new KeeperException.NoNodeException();
    }
    synchronized (n) {
        n.data = data;
        n.stat.setMtime(time);
        n.stat.setMzxid(zxid);
        n.stat.setVersion(version);
        n.copyStat(s);
    }
    dataWatches.triggerWatch(path, EventType.NodeDataChanged);
    return s;
}

Example 22

Project: ZooKeeper File: Zab1_0Test.java View source code

5 votes

@Override
public void process(WatchedEvent event) {
    if (event.getType() == EventType.NodeDataChanged) {
        synchronized(this) {
            changed = true;
            notifyAll();
        }
    }
}

Example 23

Project: ZooKeeper File: DisconnectedWatcherTest.java View source code

5 votes

@Test
public void testDefaultWatcherAutoResetWithChroot() throws Exception {
    ZooKeeper zk1 = createClient();

    zk1.create("/ch1", null, Ids.OPEN_ACL_UNSAFE,
                CreateMode.PERSISTENT);

    MyWatcher watcher = new MyWatcher();
    ZooKeeper zk2 = createClient(watcher, hostPort + "/ch1");
    zk2.getChildren("/", true );

    // this call shouldn't trigger any error or watch
    zk1.create("/youdontmatter1", null, Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT);

    // this should trigger the watch
    zk1.create("/ch1/youshouldmatter1", null, Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT);
    WatchedEvent e = watcher.events.poll(TIMEOUT, TimeUnit.MILLISECONDS);
    Assert.assertNotNull(e);
    Assert.assertEquals(EventType.NodeChildrenChanged, e.getType());
    Assert.assertEquals("/", e.getPath());

    zk2.getChildren("/", true );

    stopServer();
    watcher.waitForDisconnected(3000);
    startServer();
    watcher.waitForConnected(3000);

    // this should trigger the watch
    zk1.create("/ch1/youshouldmatter2", null, Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT);
    e = watcher.events.poll(TIMEOUT, TimeUnit.MILLISECONDS);
    Assert.assertNotNull(e);
    Assert.assertEquals(EventType.NodeChildrenChanged, e.getType());
    Assert.assertEquals("/", e.getPath());
}

Example 24

Project: ZooKeeper File: WatcherTest.java View source code

5 votes

public void process(WatchedEvent event) {
    super.process(event);
    if (event.getType() != Event.EventType.None) {
        timeOfLastWatcherInvocation = System.currentTimeMillis();
        try {
            events.put(event);
        } catch (InterruptedException e) {
            LOG.warn("ignoring interrupt during event.put");
        }
    }
}

Example 25

Project: ZooKeeper File: ClientCnxn.java View source code

5 votes

public void queueEvent(WatchedEvent event) {
    if (event.getType() == EventType.None
            && sessionState == event.getState()) {
        return;
    }
    sessionState = event.getState();

    // materialize the watchers based on the event
    WatcherSetEventPair pair = new WatcherSetEventPair(
            watcher.materialize(event.getState(), event.getType(),
                    event.getPath()),
                    event);
    // queue the pair (watch set & event) for later processing
    waitingEvents.add(pair);
}

Example 26

Project: ZooKeeper File: EventTypeTest.java View source code

5 votes

@Test
public void testIntConversion() {
    // Ensure that we can convert all valid integers to EventTypes
    EnumSet<EventType> allTypes = EnumSet.allOf(EventType.class);

    for(EventType et : allTypes) {
        Assert.assertEquals(et, EventType.fromInt( et.getIntValue() ) );
    }
}

Example 27

Project: ZooKeeper File: WatchEventWhenAutoReset.java View source code

5 votes

@Test
public void testNodeDataChanged() throws Exception {
    QuorumUtil qu = new QuorumUtil(1);
    qu.startAll();

    EventsWatcher watcher = new EventsWatcher();
    ZooKeeper zk1 = createClient(qu, 1, watcher);
    ZooKeeper zk2 = createClient(qu, 2);

    String path = "/test-changed";

    zk1.create(path, new byte[1], ZooDefs.Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT);
    zk1.getData(path, watcher, null);
    qu.shutdown(1);
    zk2.delete(path, -1);
    zk2.create(path, new byte[2], ZooDefs.Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT);
    qu.start(1);
    watcher.waitForConnected(TIMEOUT);
    watcher.assertEvent(TIMEOUT, EventType.NodeDataChanged);

    zk1.exists(path, watcher);
    qu.shutdown(1);
    zk2.delete(path, -1);
    zk2.create(path, new byte[2], ZooDefs.Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT);
    qu.start(1);
    watcher.waitForConnected(TIMEOUT * 1000L);
    watcher.assertEvent(TIMEOUT, EventType.NodeDataChanged);

    qu.shutdownAll();
}

Example 28

Project: fuck_zookeeper File: ClientCnxn.java View source code

5 votes

private void startConnect() throws IOException {
    state = States.CONNECTING;

    InetSocketAddress addr;
    if (rwServerAddress != null) {
        addr = rwServerAddress;
        rwServerAddress = null;
    } else {
        addr = hostProvider.next(1000);
    }

    setName(getName().replaceAll("\\(.*\\)",
            "(" + addr.getHostName() + ":" + addr.getPort() + ")"));
    if (ZooKeeperSaslClient.isEnabled()) {
        try {
            String principalUserName = System.getProperty(
                    ZK_SASL_CLIENT_USERNAME, "zookeeper");
            zooKeeperSaslClient =
                new ZooKeeperSaslClient(
                        principalUserName+"/"+addr.getHostName());
        } catch (LoginException e) {
            // An authentication error occurred when the SASL client tried to initialize:
            // for Kerberos this means that the client failed to authenticate with the KDC.
            // This is different from an authentication error that occurs during communication
            // with the Zookeeper server, which is handled below.
            LOG.warn("SASL configuration failed: " + e + " Will continue connection to Zookeeper server without "
              + "SASL authentication, if Zookeeper server allows it.");
            eventThread.queueEvent(new WatchedEvent(
              Watcher.Event.EventType.None,
              Watcher.Event.KeeperState.AuthFailed, null));
            saslLoginFailed = true;
        }
    }
    logStartConnect(addr);

    clientCnxnSocket.connect(addr);
}

Example 29

Project: fuck_zookeeper File: ClientCnxn.java View source code

5 votes

/**
 * Callback invoked by the ClientCnxnSocket once a connection has been
 * established.
 * 
 * @param _negotiatedSessionTimeout
 * @param _sessionId
 * @param _sessionPasswd
 * @param isRO
 * @throws IOException
 */
void onConnected(int _negotiatedSessionTimeout, long _sessionId,
        byte[] _sessionPasswd, boolean isRO) throws IOException {
    negotiatedSessionTimeout = _negotiatedSessionTimeout;
    if (negotiatedSessionTimeout <= 0) {
        state = States.CLOSED;

        eventThread.queueEvent(new WatchedEvent(
                Watcher.Event.EventType.None,
                Watcher.Event.KeeperState.Expired, null));
        eventThread.queueEventOfDeath();

        String warnInfo;
        warnInfo = "Unable to reconnect to ZooKeeper service, session 0x"
            + Long.toHexString(sessionId) + " has expired";
        LOG.warn(warnInfo);
        throw new SessionExpiredException(warnInfo);
    }
    if (!readOnly && isRO) {
        LOG.error("Read/write client got connected to read-only server");
    }
    readTimeout = negotiatedSessionTimeout * 2 / 3;
    connectTimeout = negotiatedSessionTimeout / hostProvider.size();
    hostProvider.onConnected();
    sessionId = _sessionId;
    sessionPasswd = _sessionPasswd;
    state = (isRO) ?
            States.CONNECTEDREADONLY : States.CONNECTED;
    seenRwServerBefore |= !isRO;
    LOG.info("Session establishment complete on server "
            + clientCnxnSocket.getRemoteSocketAddress()
            + ", sessionid = 0x" + Long.toHexString(sessionId)
            + ", negotiated timeout = " + negotiatedSessionTimeout
            + (isRO ? " (READ-ONLY mode)" : ""));
    KeeperState eventState = (isRO) ?
            KeeperState.ConnectedReadOnly : KeeperState.SyncConnected;
    eventThread.queueEvent(new WatchedEvent(
            Watcher.Event.EventType.None,
            eventState, null));
}

Example 30

Project: fuck_zookeeper File: GenerateLoad.java View source code

5 votes

public void process(WatchedEvent event) {
    System.err.println(event);
    synchronized (this) {
        if (event.getType() == EventType.None) {
            connected = (event.getState() == KeeperState.SyncConnected);
            notifyAll();
        }
    }
}

Example 31

Project: fuck_zookeeper File: GenerateLoad.java View source code

5 votes

public void process(WatchedEvent event) {
    if (event.getType() == Watcher.Event.EventType.None) {
        synchronized (this) {
            connected = event.getState() == Watcher.Event.KeeperState.SyncConnected;
            notifyAll();
        }
    }
}

Example 32

Project: fuck_zookeeper File: ClientTest.java View source code

5 votes

public void process(WatchedEvent event) {
    super.process(event);
    if (event.getType() != EventType.None) {
        try {
            events.put(event);
        } catch (InterruptedException e) {
            LOG.warn("ignoring interrupt during event.put");
        }
    }
}

Example 33

Project: fuck_zookeeper File: WatchedEventTest.java View source code

5 votes

@Test
public void testConvertingToEventWrapper() {
    WatchedEvent we = new WatchedEvent(EventType.NodeCreated, KeeperState.Expired, "blah");
    WatcherEvent wew = we.getWrapper();
    
    Assert.assertEquals(EventType.NodeCreated.getIntValue(), wew.getType());
    Assert.assertEquals(KeeperState.Expired.getIntValue(), wew.getState());
    Assert.assertEquals("blah", wew.getPath());
}

Example 34

Project: fuck_zookeeper File: DisconnectedWatcherTest.java View source code

5 votes

public void process(WatchedEvent event) {
    super.process(event);
    if (event.getType() != Event.EventType.None) {
        try {
            events.put(event);
        } catch (InterruptedException e) {
            LOG.warn("ignoring interrupt during event.put");
        }
    }
}

Example 35

Project: fuck_zookeeper File: DisconnectedWatcherTest.java View source code

5 votes

@Test
public void testChildWatcherAutoResetWithChroot() throws Exception {
    ZooKeeper zk1 = createClient();

    zk1.create("/ch1", null, Ids.OPEN_ACL_UNSAFE,
                CreateMode.PERSISTENT);

    MyWatcher watcher = new MyWatcher();
    ZooKeeper zk2 = createClient(watcher, hostPort + "/ch1");
    zk2.getChildren("/", true );

    // this call shouldn't trigger any error or watch
    zk1.create("/youdontmatter1", null, Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT);

    // this should trigger the watch
    zk1.create("/ch1/youshouldmatter1", null, Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT);
    WatchedEvent e = watcher.events.poll(TIMEOUT, TimeUnit.MILLISECONDS);
    Assert.assertNotNull(e);
    Assert.assertEquals(EventType.NodeChildrenChanged, e.getType());
    Assert.assertEquals("/", e.getPath());

    MyWatcher childWatcher = new MyWatcher();
    zk2.getChildren("/", childWatcher);
    
    stopServer();
    watcher.waitForDisconnected(3000);
    startServer();
    watcher.waitForConnected(3000);

    // this should trigger the watch
    zk1.create("/ch1/youshouldmatter2", null, Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT);
    e = childWatcher.events.poll(TIMEOUT, TimeUnit.MILLISECONDS);
    Assert.assertNotNull(e);
    Assert.assertEquals(EventType.NodeChildrenChanged, e.getType());
    Assert.assertEquals("/", e.getPath());
}

Example 36

Project: fuck_zookeeper File: DisconnectedWatcherTest.java View source code

5 votes

@Test
public void testDefaultWatcherAutoResetWithChroot() throws Exception {
    ZooKeeper zk1 = createClient();

    zk1.create("/ch1", null, Ids.OPEN_ACL_UNSAFE,
                CreateMode.PERSISTENT);

    MyWatcher watcher = new MyWatcher();
    ZooKeeper zk2 = createClient(watcher, hostPort + "/ch1");
    zk2.getChildren("/", true );

    // this call shouldn't trigger any error or watch
    zk1.create("/youdontmatter1", null, Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT);

    // this should trigger the watch
    zk1.create("/ch1/youshouldmatter1", null, Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT);
    WatchedEvent e = watcher.events.poll(TIMEOUT, TimeUnit.MILLISECONDS);
    Assert.assertNotNull(e);
    Assert.assertEquals(EventType.NodeChildrenChanged, e.getType());
    Assert.assertEquals("/", e.getPath());

    zk2.getChildren("/", true );

    stopServer();
    watcher.waitForDisconnected(3000);
    startServer();
    watcher.waitForConnected(3000);

    // this should trigger the watch
    zk1.create("/ch1/youshouldmatter2", null, Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT);
    e = watcher.events.poll(TIMEOUT, TimeUnit.MILLISECONDS);
    Assert.assertNotNull(e);
    Assert.assertEquals(EventType.NodeChildrenChanged, e.getType());
    Assert.assertEquals("/", e.getPath());
}

Example 37

Project: ZooKeeper File: DisconnectedWatcherTest.java View source code

5 votes

public void process(WatchedEvent event) {
    super.process(event);
    if (event.getType() != Event.EventType.None) {
        try {
            events.put(event);
        } catch (InterruptedException e) {
            LOG.warn("ignoring interrupt during event.put");
        }
    }
}

Example 38

Project: fuck_zookeeper File: WatcherFuncTest.java View source code

5 votes

@Override
public void setUp() throws Exception {
    super.setUp();

    client_latch = new CountDownLatch(1);
    client_dwatch = new SimpleWatcher(client_latch);
    client = createClient(client_dwatch, client_latch);

    lsnr_latch = new CountDownLatch(1);
    lsnr_dwatch = new SimpleWatcher(lsnr_latch);
    lsnr = createClient(lsnr_dwatch, lsnr_latch);

    expected = new ArrayList<EventType>();
}

Example 39

Project: fuck_zookeeper File: WatchEventWhenAutoReset.java View source code

5 votes

@Override
public void process(WatchedEvent event) {
    super.process(event);
    try {
        if (event.getType() != Event.EventType.None) {
            dataEvents.put(event);
        }
    } catch (InterruptedException e) {
        LOG.warn("ignoring interrupt during EventsWatcher process");
    }
}

Example 40

Project: fuck_zookeeper File: WatchEventWhenAutoReset.java View source code

5 votes

public void assertEvent(long timeout, EventType eventType) {
    try {
        WatchedEvent event = dataEvents.poll(timeout,
                TimeUnit.MILLISECONDS);
        Assert.assertNotNull("do not receive a " + eventType, event);
        Assert.assertEquals(eventType, event.getType());
    } catch (InterruptedException e) {
        LOG.warn("ignoring interrupt during EventsWatcher assertEvent");
    }
}