org.apache.hadoop.hbase.zookeeper

Class MasterMaintenanceModeTracker

java.lang.Object

org.apache.hadoop.hbase.zookeeper.ZooKeeperListener

org.apache.hadoop.hbase.zookeeper.MasterMaintenanceModeTracker

@InterfaceAudience.Private
public class MasterMaintenanceModeTracker
extends ZooKeeperListener

Tracks the master Maintenance Mode via ZK.

Field Summary

Fields inherited from class org.apache.hadoop.hbase.zookeeper.ZooKeeperListener

watcher

Constructor Summary

Constructors

Constructor and Description
MasterMaintenanceModeTracker(ZooKeeperWatcher watcher)

Method Summary

Modifier and Type	Method and Description
boolean	isInMaintenanceMode()
void	nodeChildrenChanged(String path)
void	nodeCreated(String path)
void	nodeDeleted(String path)
void	start() Starts the tracking of whether master is in Maintenance Mode.

Methods inherited from class org.apache.hadoop.hbase.zookeeper.ZooKeeperListener

getWatcher, nodeDataChanged

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MasterMaintenanceModeTracker

public MasterMaintenanceModeTracker(ZooKeeperWatcher watcher)

Method Detail

isInMaintenanceMode

public boolean isInMaintenanceMode()

start

public void start()

Starts the tracking of whether master is in Maintenance Mode.

nodeCreated

public void nodeCreated(String path)

Overrides:

nodeCreated in class ZooKeeperListener

nodeDeleted

public void nodeDeleted(String path)

Overrides:

nodeDeleted in class ZooKeeperListener

nodeChildrenChanged

public void nodeChildrenChanged(String path)

Overrides:

nodeChildrenChanged in class ZooKeeperListener