Constructor Detail

• ZKVisibilityLabelWatcher

  public ZKVisibilityLabelWatcher(ZooKeeperWatcher watcher,
                          VisibilityLabelsCache labelsCache,
                          org.apache.hadoop.conf.Configuration conf)

Method Detail

• start

  public void start()
             throws org.apache.zookeeper.KeeperException

  Throws:

  org.apache.zookeeper.KeeperException

• nodeCreated

  public void nodeCreated(String path)

  Description copied from class: ZooKeeperListener
  Called when a new node has been created.

  Overrides:

  nodeCreated in class ZooKeeperListener

  Parameters:

  path - full path of the new node

• nodeDeleted

  public void nodeDeleted(String path)

  Description copied from class: ZooKeeperListener
  Called when a node has been deleted

  Overrides:

  nodeDeleted in class ZooKeeperListener

  Parameters:

  path - full path of the deleted node

• nodeDataChanged

  public void nodeDataChanged(String path)

  Description copied from class: ZooKeeperListener
  Called when an existing node has changed data.

  Overrides:

  nodeDataChanged in class ZooKeeperListener

  Parameters:

  path - full path of the updated node

• nodeChildrenChanged

  public void nodeChildrenChanged(String path)

  Description copied from class: ZooKeeperListener
  Called when an existing node has a child node added or removed.

  Overrides:

  nodeChildrenChanged in class ZooKeeperListener

  Parameters:

  path - full path of the node whose children have changed

• writeToZookeeper

  public void writeToZookeeper(byte[] data,
                      boolean labelsOrUserAuths)

  Write a labels mirror or user auths mirror into zookeeper

  Parameters:

  data -

  labelsOrUserAuths - true for writing labels and false for user auths.