org.apache.hadoop.hbase.master.zksyncer

Class MetaLocationSyncer

java.lang.Object

org.apache.hadoop.hbase.zookeeper.ZKListener

org.apache.hadoop.hbase.master.zksyncer.ClientZKSyncer

org.apache.hadoop.hbase.master.zksyncer.MetaLocationSyncer

@InterfaceAudience.Private
public class MetaLocationSyncer
extends ClientZKSyncer

Tracks the meta region locations on server ZK cluster and synchronize them to client ZK cluster if changed

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hbase.master.zksyncer.ClientZKSyncer

ClientZKSyncer.ClientZkUpdater

Field Summary

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

watcher

Constructor Summary

Constructors

Constructor and Description
MetaLocationSyncer(ZKWatcher watcher, ZKWatcher clientZkWatcher, Server server)

Method Summary

Modifier and Type	Method and Description
(package private) Collection<String>	getNodesToWatch()
(package private) boolean	validate(String path) Validate whether a znode path is watched by us

Methods inherited from class org.apache.hadoop.hbase.master.zksyncer.ClientZKSyncer

nodeCreated, nodeDataChanged, nodeDeleted, start

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

getWatcher, nodeChildrenChanged

Methods inherited from class java.lang.Object

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

Constructor Detail

MetaLocationSyncer

public MetaLocationSyncer(ZKWatcher watcher,
                          ZKWatcher clientZkWatcher,
                          Server server)

Method Detail

validate

boolean validate(String path)

Description copied from class: ClientZKSyncer

Validate whether a znode path is watched by us

Specified by:

validate in class ClientZKSyncer

Parameters:

path - the path to validate

Returns:

true if the znode is watched by us

getNodesToWatch

Collection<String> getNodesToWatch()

Specified by:

getNodesToWatch in class ClientZKSyncer

Returns:

the znode(s) to watch