org.apache.hadoop.hbase.zookeeper

类 MasterMaintenanceModeTracker

java.lang.Object

org.apache.hadoop.hbase.zookeeper.ZKListener

org.apache.hadoop.hbase.zookeeper.MasterMaintenanceModeTracker

@InterfaceAudience.Private
public class MasterMaintenanceModeTracker
extends ZKListener

Tracks the master Maintenance Mode via ZK.

字段概要

从类继承的字段 org.apache.hadoop.hbase.zookeeper.ZKListener

watcher

构造器概要

构造器

构造器和说明
MasterMaintenanceModeTracker(ZKWatcher watcher)

方法概要

限定符和类型	方法和说明
boolean	isInMaintenanceMode()
void	nodeChildrenChanged(String path) Called when an existing node has a child node added or removed.
void	nodeCreated(String path) Called when a new node has been created.
void	nodeDeleted(String path) Called when a node has been deleted
void	start() Starts the tracking of whether master is in Maintenance Mode.

从类继承的方法 org.apache.hadoop.hbase.zookeeper.ZKListener

getWatcher, nodeDataChanged

从类继承的方法 java.lang.Object

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

构造器详细资料

MasterMaintenanceModeTracker

public MasterMaintenanceModeTracker(ZKWatcher watcher)

方法详细资料

isInMaintenanceMode

public boolean isInMaintenanceMode()

start

public void start()

Starts the tracking of whether master is in Maintenance Mode.

nodeCreated

public void nodeCreated(String path)

从类复制的说明: ZKListener

Called when a new node has been created.

覆盖:

nodeCreated 在类中 ZKListener

参数:

path - full path of the new node

nodeDeleted

public void nodeDeleted(String path)

从类复制的说明: ZKListener

Called when a node has been deleted

覆盖:

nodeDeleted 在类中 ZKListener

参数:

path - full path of the deleted node

nodeChildrenChanged

public void nodeChildrenChanged(String path)

从类复制的说明: ZKListener

Called when an existing node has a child node added or removed.

覆盖:

nodeChildrenChanged 在类中 ZKListener

参数:

path - full path of the node whose children have changed