org.apache.hadoop.hbase

类 ZKNamespaceManager

java.lang.Object

org.apache.hadoop.hbase.zookeeper.ZKListener

org.apache.hadoop.hbase.ZKNamespaceManager

@InterfaceAudience.Private
public class ZKNamespaceManager
extends ZKListener

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.ZKListener

watcher

构造器概要

构造器

构造器和说明
ZKNamespaceManager(ZKWatcher zkw)

方法概要

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	stop()
void	update(NamespaceDescriptor ns)

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

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(ZKWatcher zkw)
                   throws IOException

抛出:

IOException

方法详细资料

start

public void start()
           throws IOException

抛出:

IOException

stop

public void stop()
          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 ZKListener

nodeDeleted

public void nodeDeleted(String path)

覆盖:

nodeDeleted 在类中 ZKListener

nodeDataChanged

public void nodeDataChanged(String path)

覆盖:

nodeDataChanged 在类中 ZKListener

nodeChildrenChanged

public void nodeChildrenChanged(String path)

覆盖:

nodeChildrenChanged 在类中 ZKListener