org.apache.hadoop.hbase.security.visibility

类 ZKVisibilityLabelWatcher

java.lang.Object

org.apache.hadoop.hbase.zookeeper.ZooKeeperListener

org.apache.hadoop.hbase.security.visibility.ZKVisibilityLabelWatcher

@InterfaceAudience.Private
public class ZKVisibilityLabelWatcher
extends ZooKeeperListener

A zk watcher that watches the labels table znode. This would create a znode /hbase/visibility_labels and will have a serialized form of a set of labels in the system.

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
ZKVisibilityLabelWatcher(ZooKeeperWatcher watcher, VisibilityLabelsCache labelsCache, org.apache.hadoop.conf.Configuration conf)

方法概要

方法

限定符和类型	方法和说明
void	nodeChildrenChanged(String path)
void	nodeCreated(String path)
void	nodeDataChanged(String path)
void	nodeDeleted(String path)
void	start()
void	writeToZookeeper(byte[] data, boolean labelsOrUserAuths) Write a labels mirror or user auths mirror into zookeeper

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

ZKVisibilityLabelWatcher

public ZKVisibilityLabelWatcher(ZooKeeperWatcher watcher,
                        VisibilityLabelsCache labelsCache,
                        org.apache.hadoop.conf.Configuration conf)

方法详细资料

start

public void start()
           throws org.apache.zookeeper.KeeperException

抛出:

org.apache.zookeeper.KeeperException

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

writeToZookeeper

public void writeToZookeeper(byte[] data,
                    boolean labelsOrUserAuths)

Write a labels mirror or user auths mirror into zookeeper

参数:

data -

labelsOrUserAuths - true for writing labels and false for user auths.