org.apache.hadoop.hbase

类 ZKNamespaceManager

java.lang.Object

org.apache.hadoop.hbase.zookeeper.ZooKeeperListener

org.apache.hadoop.hbase.ZKNamespaceManager

@InterfaceAudience.Private
public class ZKNamespaceManager
extends ZooKeeperListener

Class servers two purposes: 1. Broadcast NamespaceDescriptor information via ZK (Done by the Master) 2. Consume broadcasted NamespaceDescriptor changes (Done by the RegionServers)

字段概要

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

watcher

构造器概要

构造器

构造器和说明
ZKNamespaceManager(ZooKeeperWatcher zkw)

方法概要

方法

限定符和类型	方法和说明
NamespaceDescriptor	get(String name)
NavigableSet<NamespaceDescriptor>	list()
void	nodeChildrenChanged(String path)
void	nodeCreated(String path)
void	nodeDataChanged(String path)
void	nodeDeleted(String path)
void	remove(String name)
void	start()
void	update(NamespaceDescriptor ns)

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

getWatcher

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

ZKNamespaceManager

public ZKNamespaceManager(ZooKeeperWatcher zkw)
                   throws IOException

抛出:

IOException

方法详细资料

start

public void start()
           throws IOException

抛出:

IOException

get

public NamespaceDescriptor get(String name)

update

public void update(NamespaceDescriptor ns)
            throws IOException

抛出:

IOException

remove

public void remove(String name)
            throws IOException

抛出:

IOException

list

public NavigableSet<NamespaceDescriptor> list()
                                       throws IOException

抛出:

IOException

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

nodeDataChanged

public void nodeDataChanged(String path)

覆盖:

nodeDataChanged 在类中 ZooKeeperListener

nodeChildrenChanged

public void nodeChildrenChanged(String path)

覆盖:

nodeChildrenChanged 在类中 ZooKeeperListener