@InterfaceAudience.Private public class ZKVisibilityLabelWatcher extends ZooKeeperListener
watcher
Constructor and Description |
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ZKVisibilityLabelWatcher(ZooKeeperWatcher watcher,
VisibilityLabelsCache labelsCache,
Configuration conf) |
Modifier and Type | Method and Description |
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void |
nodeChildrenChanged(java.lang.String path)
Called when an existing node has a child node added or removed.
|
void |
nodeCreated(java.lang.String path)
Called when a new node has been created.
|
void |
nodeDataChanged(java.lang.String path)
Called when an existing node has changed data.
|
void |
nodeDeleted(java.lang.String path)
Called when a node has been deleted
|
void |
start() |
void |
writeToZookeeper(byte[] data,
boolean labelsOrUserAuths)
Write a labels mirror or user auths mirror into zookeeper
|
getWatcher
public ZKVisibilityLabelWatcher(ZooKeeperWatcher watcher, VisibilityLabelsCache labelsCache, Configuration conf)
public void start() throws KeeperException
KeeperException
public void nodeCreated(java.lang.String path)
ZooKeeperListener
nodeCreated
in class ZooKeeperListener
path
- full path of the new nodepublic void nodeDeleted(java.lang.String path)
ZooKeeperListener
nodeDeleted
in class ZooKeeperListener
path
- full path of the deleted nodepublic void nodeDataChanged(java.lang.String path)
ZooKeeperListener
nodeDataChanged
in class ZooKeeperListener
path
- full path of the updated nodepublic void nodeChildrenChanged(java.lang.String path)
ZooKeeperListener
nodeChildrenChanged
in class ZooKeeperListener
path
- full path of the node whose children have changedpublic void writeToZookeeper(byte[] data, boolean labelsOrUserAuths)
data
- labelsOrUserAuths
- true for writing labels and false for user auths.