|
||||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD | |||||||||
java.lang.Objectorg.apache.hadoop.hbase.zookeeper.ZooKeeperListener
org.apache.hadoop.hbase.zookeeper.DeletionListener
@InterfaceAudience.Private public class DeletionListener
A ZooKeeper watcher meant to detect deletions of ZNodes.
| Field Summary |
|---|
| Fields inherited from class org.apache.hadoop.hbase.zookeeper.ZooKeeperListener |
|---|
watcher |
| Constructor Summary | |
|---|---|
DeletionListener(ZooKeeperWatcher zkWatcher,
String pathToWatch,
CountDownLatch deletedLatch)
Create a new instance of the deletion watcher. |
|
| Method Summary | |
|---|---|
Throwable |
getException()
Get the last exception which has occurred when re-setting the watch. |
boolean |
hasException()
Check if an exception has occurred when re-setting the watch. |
void |
nodeDataChanged(String path)
Called when an existing node has changed data. |
void |
nodeDeleted(String path)
Called when a node has been deleted |
| Methods inherited from class org.apache.hadoop.hbase.zookeeper.ZooKeeperListener |
|---|
nodeChildrenChanged, nodeCreated |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public DeletionListener(ZooKeeperWatcher zkWatcher,
String pathToWatch,
CountDownLatch deletedLatch)
zkWatcher - ZookeeperWatcher instancepathToWatch - (Fully qualified) ZNode path that we are waiting to
be deleted.deletedLatch - Count down on this latch when deletion has occured.| Method Detail |
|---|
public boolean hasException()
public Throwable getException()
public void nodeDataChanged(String path)
ZooKeeperListener
nodeDataChanged in class ZooKeeperListenerpath - full path of the updated nodepublic void nodeDeleted(String path)
ZooKeeperListener
nodeDeleted in class ZooKeeperListenerpath - full path of the deleted node
|
||||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD | |||||||||