@InterfaceAudience.Private @InterfaceStability.Unstable public class CuratorBasedElectorService extends org.apache.hadoop.service.AbstractService implements EmbeddedElector, org.apache.curator.framework.recipes.leader.LeaderLatchListener
| Modifier and Type | Field and Description |
|---|---|
static org.slf4j.Logger |
LOG |
| Constructor and Description |
|---|
CuratorBasedElectorService(ResourceManager rm) |
| Modifier and Type | Method and Description |
|---|---|
org.apache.curator.framework.CuratorFramework |
getCuratorClient() |
String |
getZookeeperConnectionState()
Get information about the elector's connection to Zookeeper.
|
void |
isLeader() |
void |
notLeader() |
void |
rejoinElection()
Leave and rejoin leader election.
|
protected void |
serviceInit(org.apache.hadoop.conf.Configuration conf) |
protected void |
serviceStop() |
close, getBlockers, getConfig, getFailureCause, getFailureState, getLifecycleHistory, getName, getServiceState, getStartTime, init, isInState, noteFailure, putBlocker, registerGlobalListener, registerServiceListener, removeBlocker, serviceStart, setConfig, start, stop, toString, unregisterGlobalListener, unregisterServiceListener, waitForServiceToStoppublic CuratorBasedElectorService(ResourceManager rm)
protected void serviceInit(org.apache.hadoop.conf.Configuration conf)
throws Exception
serviceInit in class org.apache.hadoop.service.AbstractServiceExceptionprotected void serviceStop()
throws Exception
serviceStop in class org.apache.hadoop.service.AbstractServiceExceptionpublic void rejoinElection()
EmbeddedElectorrejoinElection in interface EmbeddedElectorpublic String getZookeeperConnectionState()
EmbeddedElectorgetZookeeperConnectionState in interface EmbeddedElectorpublic void isLeader()
isLeader in interface org.apache.curator.framework.recipes.leader.LeaderLatchListenerpublic void notLeader()
notLeader in interface org.apache.curator.framework.recipes.leader.LeaderLatchListenerpublic org.apache.curator.framework.CuratorFramework getCuratorClient()
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