org.apache.hadoop.hbase.master

类 ActiveMasterManager

java.lang.Object

org.apache.hadoop.hbase.zookeeper.ZooKeeperListener

org.apache.hadoop.hbase.master.ActiveMasterManager

@InterfaceAudience.Private
public class ActiveMasterManager
extends ZooKeeperListener

Handles everything on master-side related to master election.

Listens and responds to ZooKeeper notifications on the master znode, both nodeCreated and nodeDeleted.

Contains blocking methods which will hold up backup masters, waiting for the active master to fail.

This class is instantiated in the HMaster constructor and the method #blockUntilBecomingActiveMaster() is called to wait until becoming the active master of the cluster.

字段概要

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

watcher

方法概要

方法

限定符和类型	方法和说明
void	nodeCreated(String path)
void	nodeDeleted(String path)
void	setInfoPort(int infoPort)
void	stop()

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

getWatcher, nodeChildrenChanged, nodeDataChanged

从类继承的方法 java.lang.Object

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

方法详细资料

setInfoPort

public void setInfoPort(int infoPort)

nodeCreated

public void nodeCreated(String path)

覆盖:

nodeCreated 在类中 ZooKeeperListener

nodeDeleted

public void nodeDeleted(String path)

覆盖:

nodeDeleted 在类中 ZooKeeperListener

stop

public void stop()