Examples of ZkConnection

com.linkedin.d2.discovery.stores.zk.ZKConnection
Very very lightweight holder for a ZK connection which allows monitoring of the connection state. It uses the default watcher for connection state monitoring. Do NOT set a different default watcher on this connection. Use of the async methods that set a watch to be delivered to the default watcher is discouraged, as such watches will be ignored when triggered. @author Steven Ihde @version $Revision: $
org.I0Itec.zkclient.ZkConnection

Examples of com.linkedin.d2.discovery.stores.zk.ZKConnection

                   boolean useDeltaWrite,
                   int maxOutstandingWrites)
  {
    _retryLimit = retryLimit;
    // use retry zkConnection
    _zkConnection = new ZKConnection(zkHosts, sessionTimeout, _retryLimit, false, null, 0);
    _basePath = basePath;
    _timeout = timeout;
    _clusterServiceConfigurations = Arrays.asList(clusterServiceConfigurations, extraClusterServiceConfigurations);
    _clusterDefaults = clusterDefaults;
    _serviceDefaults = serviceDefaults;

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Examples of org.I0Itec.zkclient.ZkConnection

          + _zkConnectString + ", expiredSessionId: " + _sessionId + ", clusterName: "
          + _clusterName);
      isConnected = _zkClient.waitUntilConnected(CONNECTIONTIMEOUT, TimeUnit.MILLISECONDS);
    }


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


    resetHandlers();


    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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Examples of org.I0Itec.zkclient.ZkConnection

  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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Examples of org.I0Itec.zkclient.ZkConnection

      {
        System.out.println("In Old connection New session");
      }
    };
    _zkClient.subscribeStateChanges(listener);
    ZkConnection connection = ((ZkConnection) _zkClient.getConnection());
    ZooKeeper zookeeper = connection.getZookeeper();
    System.out.println("old sessionId= " + zookeeper.getSessionId());
    try
    {
      Watcher watcher = new Watcher(){
        @Override
        public void process(WatchedEvent event)
        {
          System.out.println("In New connection In process event:"+ event);
        }
      };
      ZooKeeper newZookeeper = new ZooKeeper(connection.getServers(),
          zookeeper.getSessionTimeout(), watcher , zookeeper.getSessionId(),
          zookeeper.getSessionPasswd());
      Thread.sleep(3000);
      System.out.println("New sessionId= " + newZookeeper.getSessionId());
      Thread.sleep(3000);
      newZookeeper.close();
      Thread.sleep(10000);
      connection = ((ZkConnection) _zkClient.getConnection());
      zookeeper = connection.getZookeeper();
      System.out.println("After session expiry sessionId= " + zookeeper.getSessionId());
    } catch (Exception e)
    {
      // TODO Auto-generated catch block
      e.printStackTrace();

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Examples of org.I0Itec.zkclient.ZkConnection

      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()));
        waitExpire.countDown();
      }
    };


    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();


    // make sure session expiry really happens
    waitExpire.await();
    zkClient.unsubscribeStateChanges(listener);


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


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

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Examples of org.I0Itec.zkclient.ZkConnection

      {
        LOG.info("In Old connection, new session");
      }
    };
    zkClient.subscribeStateChanges(listener);
    ZkConnection connection = ((ZkConnection) zkClient.getConnection());
    ZooKeeper oldZookeeper = connection.getZookeeper();
    LOG.info("Old sessionId = " + oldZookeeper.getSessionId());


    Watcher watcher = new Watcher()
    {
      @Override
      public void process(WatchedEvent event)
      {
        LOG.info("In New connection, process event:" + event);
      }
    };


    ZooKeeper newZookeeper =
        new ZooKeeper(connection.getServers(),
                      oldZookeeper.getSessionTimeout(),
                      watcher,
                      oldZookeeper.getSessionId(),
                      oldZookeeper.getSessionPasswd());
    LOG.info("New sessionId = " + newZookeeper.getSessionId());
    // Thread.sleep(3000);
    newZookeeper.close();
    Thread.sleep(10000);
    connection = (ZkConnection) zkClient.getConnection();
    oldZookeeper = connection.getZookeeper();
    LOG.info("After session expiry sessionId = " + oldZookeeper.getSessionId());
  }

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Examples of org.I0Itec.zkclient.ZkConnection

  }


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

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Examples of org.I0Itec.zkclient.ZkConnection

  }


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

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Examples of org.I0Itec.zkclient.ZkConnection

    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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Examples of org.I0Itec.zkclient.ZkConnection

         new SerializableSerializer());
  }


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

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