Package org.I0Itec.zkclient

Examples of org.I0Itec.zkclient.ZkConnection

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    this(connection, Integer.MAX_VALUE, new SerializableSerializer());
  }

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

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

  public ZkClient(String zkServers) {
    this(new ZkConnection(zkServers), Integer.MAX_VALUE, new SerializableSerializer());
  }
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      try {
        retryUntilConnected(new Callable<Object>() {

          @Override
          public Object call() throws Exception {
            ZkConnection connection = (ZkConnection) _connection;
            connection.getZookeeper().delete(path, version);
            return null;
          }
        });

        return true;
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  @Override
  public boolean isConnected() {
    if (_zkclient == null) {
      return false;
    }
    ZkConnection zkconnection = (ZkConnection) _zkclient.getConnection();
    if (zkconnection != null) {
      States state = zkconnection.getZookeeperState();
      return state == States.CONNECTED;
    }
    return false;
  }
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            + ZkClient.DEFAULT_CONNECTION_TIMEOUT + "ms. expiredSessionId: " + _sessionId
            + ", clusterName: " + _clusterName);
        continue;
      }

      ZkConnection zkConnection = ((ZkConnection) _zkclient.getConnection());
      _sessionId = Long.toHexString(zkConnection.getZookeeper().getSessionId());

      /**
       * at the time we read session-id, zkconnection might be lost again
       * wait until we get a non-zero session-id
       */
 
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  @Override
  public void handleStateChanged(KeeperState state) throws Exception {
    switch (state) {
    case SyncConnected:
      ZkConnection zkConnection = (ZkConnection) _zkclient.getConnection();
      LOG.info("KeeperState: " + state + ", zookeeper:" + zkConnection.getZookeeper());
      break;
    case Disconnected:
      LOG.info("KeeperState:" + state + ", disconnectedSessionId: " + _sessionId + ", instance: "
          + _instanceName + ", type: " + _instanceType);
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      public void handleNewSession() throws Exception
      {
        // make sure zkclient is connected again
        zkClient.waitUntilConnected();

        ZkConnection connection = ((ZkConnection) zkClient.getConnection());
        ZooKeeper curZookeeper = connection.getZookeeper();

        LOG.info("handleNewSession. sessionId: "
            + Long.toHexString(curZookeeper.getSessionId()));
      }
    };

    zkClient.subscribeStateChanges(listener);
    ZkConnection connection = ((ZkConnection) zkClient.getConnection());
    ZooKeeper curZookeeper = connection.getZookeeper();
    LOG.info("Before expiry. sessionId: " + Long.toHexString(curZookeeper.getSessionId()));

    Watcher watcher = new Watcher()
    {
      @Override
      public void process(WatchedEvent event)
      {
        LOG.info("Process watchEvent: " + event);
      }
    };

    final ZooKeeper dupZookeeper =
        new ZooKeeper(connection.getServers(),
                      curZookeeper.getSessionTimeout(),
                      watcher,
                      curZookeeper.getSessionId(),
                      curZookeeper.getSessionPasswd());
    // wait until connected, then close
    while (dupZookeeper.getState() != States.CONNECTED)
    {
      Thread.sleep(10);
    }
    dupZookeeper.close();

    connection = (ZkConnection) zkClient.getConnection();
    curZookeeper = connection.getZookeeper();
    zkClient.unsubscribeStateChanges(listener);

    // System.err.println("zk: " + oldZookeeper);
    LOG.info("After expiry. sessionId: " + Long.toHexString(curZookeeper.getSessionId()));
  }
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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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