Package org.I0Itec.zkclient

Examples of org.I0Itec.zkclient.ZkConnection

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  {
    LOG.info("START " + getShortClassName() + " at " + new Date(System.currentTimeMillis()));

    PropertyJsonSerializer<String> serializer = new PropertyJsonSerializer<String>(String.class);

    ZkConnection zkConn = new ZkConnection(ZK_ADDR);

    final String propertyStoreRoot = "/" + getShortClassName();
    if (_zkClient.exists(propertyStoreRoot))
    {
      _zkClient.deleteRecursive(propertyStoreRoot);
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  public void handleStateChanged(KeeperState keeperState) throws Exception
  {
    switch (keeperState)
    {
    case SyncConnected:
      ZkConnection zkConnection =
          ((ZkConnection) _zkHelixManager._zkClient.getConnection());
      logger.info("KeeperState: " + keeperState + ", zookeeper:" + zkConnection.getZookeeper());
      _isConnected = true;
      break;
    case Disconnected:
      logger.info("KeeperState:" + keeperState + ", disconnectedSessionId: "
          + _zkHelixManager._sessionId + ", instance: "
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  }

  public ZkClient(String zkServers, int sessionTimeout, int connectionTimeout,
                  ZkSerializer zkSerializer)
  {
    this(new ZkConnection(zkServers, sessionTimeout), connectionTimeout, zkSerializer);
  }
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  }

  public ZkClient(String zkServers, int sessionTimeout, int connectionTimeout,
                  PathBasedZkSerializer zkSerializer)
  {
    this(new ZkConnection(zkServers, sessionTimeout), connectionTimeout, zkSerializer);
  }
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    this(new ZkConnection(zkServers, sessionTimeout), connectionTimeout, zkSerializer);
  }

  public ZkClient(String zkServers, int sessionTimeout, int connectionTimeout)
  {
    this(new ZkConnection(zkServers, sessionTimeout),
         connectionTimeout,
         new SerializableSerializer());
  }
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         new SerializableSerializer());
  }

  public ZkClient(String zkServers, int connectionTimeout)
  {
    this(new ZkConnection(zkServers), connectionTimeout, new SerializableSerializer());
  }
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    this(new ZkConnection(zkServers), connectionTimeout, new SerializableSerializer());
  }

  public ZkClient(String zkServers)
  {
    this(new ZkConnection(zkServers), Integer.MAX_VALUE, new SerializableSerializer());
  }
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  }

  @Override
  public void handleNewSession() throws Exception
  {
    ZkConnection connection = ((ZkConnection) _zkClient.getConnection());
    ZooKeeper zookeeper = connection.getZookeeper();
    LOG.info("handleNewSession: " + zookeeper.getSessionId());

    synchronized (_callbackMap)
    {
      for (String path : _callbackMap.keySet())
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          + _zkConnectString + ", expiredSessionId: " + _sessionId + ", clusterName: "
          + _clusterName);
      isConnected = _zkClient.waitUntilConnected(CONNECTIONTIMEOUT, TimeUnit.MILLISECONDS);
    }

    ZkConnection zkConnection = ((ZkConnection) _zkClient.getConnection());
   
    synchronized (this)
    {
      _sessionId = Long.toHexString(zkConnection.getZookeeper().getSessionId());
    }
    _accessor.reset();
    _baseDataAccessor.reset();

    // reset all handlers so they have a chance to unsubscribe zk changes from zkclient
    // and remove all handlers since we will create new ones
    resetHandlers();
    // _handlers.clear();
    // abandon all callback-handlers added in expired session
    _handlers = new ArrayList<CallbackHandler>();

    logger.info("Handling new session, session id:" + _sessionId + ", instance:"
        + _instanceName + ", instanceTye: " + _instanceType + ", cluster: " + _clusterName);

    logger.info(zkConnection.getZookeeper());

    if (!ZKUtil.isClusterSetup(_clusterName, _zkClient))
    {
      throw new HelixException("Initial cluster structure is not set up for cluster:"
          + _clusterName);
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  public void handleStateChanged(KeeperState keeperState) throws Exception
  {
    switch (keeperState)
    {
    case SyncConnected:
      ZkConnection zkConnection =
          ((ZkConnection) _zkHelixManager._zkClient.getConnection());
      logger.info("KeeperState: " + keeperState + ", zookeeper:" + zkConnection.getZookeeper());
      _isConnected = true;
      break;
    case Disconnected:
      logger.info("KeeperState:" + keeperState + ", disconnectedSessionId: "
          + _zkHelixManager._sessionId + ", instance: "
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Related Classes of org.I0Itec.zkclient.ZkConnection

  • com.linkedin.helix.manager.zk.ZkClient
  • com.linkedin.helix.manager.zk.ZKHelixManager
  • com.linkedin.helix.manager.zk.ZkStateChangeListener
  • com.linkedin.helix.store.zk.TestZkPropertyStoreSessionExpiry
  • com.linkedin.helix.store.zk.ZKPropertyStore
  • com.linkedin.helix.TestZkClientWrapper
  • com.linkedin.helix.ZkTestHelper
  • com.linkedin.helix.ZkUnitTestBase
  • net.sf.katta.integrationTest.lib.sleep.SleepClientTest
  • org.apache.helix.manager.zk.ZkClient
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