@InterfaceAudience.Private public class RecoveringRegionWatcher extends ZooKeeperListener
| Modifier and Type | Field and Description |
|---|---|
private static org.apache.commons.logging.Log |
LOG |
private HRegionServer |
server |
watcher| Constructor and Description |
|---|
RecoveringRegionWatcher(ZooKeeperWatcher watcher,
HRegionServer server)
Construct a ZooKeeper event listener.
|
| Modifier and Type | Method and Description |
|---|---|
void |
nodeChildrenChanged(String path)
Called when an existing node has a child node added or removed.
|
void |
nodeDataChanged(String path)
Called when an existing node has changed data.
|
void |
nodeDeleted(String path)
Called when a node has been deleted
|
private void |
registerWatcher(String path)
Reinstall watcher because watcher only fire once though we're only interested in nodeDeleted
event we need to register the watcher in case other event happens
|
getWatcher, nodeCreatedprivate static final org.apache.commons.logging.Log LOG
private HRegionServer server
public RecoveringRegionWatcher(ZooKeeperWatcher watcher, HRegionServer server)
public void nodeDeleted(String path)
nodeDeleted in class ZooKeeperListenerpath - full path of the deleted nodepublic void nodeDataChanged(String path)
ZooKeeperListenernodeDataChanged in class ZooKeeperListenerpath - full path of the updated nodepublic void nodeChildrenChanged(String path)
ZooKeeperListenernodeChildrenChanged in class ZooKeeperListenerpath - full path of the node whose children have changedprivate void registerWatcher(String path)
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