org.apache.druid.k8s.discovery

Class K8sDruidLeaderSelector

java.lang.Object

org.apache.druid.k8s.discovery.K8sDruidLeaderSelector

All Implemented Interfaces:

DruidLeaderSelector

public class K8sDruidLeaderSelector
extends Object
implements DruidLeaderSelector

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.druid.discovery.DruidLeaderSelector

DruidLeaderSelector.Listener

Constructor Summary

Constructors

Constructor and Description
K8sDruidLeaderSelector(DruidNode self, String lockResourceName, String lockResourceNamespace, K8sDiscoveryConfig discoveryConfig, K8sLeaderElectorFactory k8sLeaderElectorFactory)

Method Summary

Modifier and Type	Method and Description
String	getCurrentLeader()
boolean	isLeader()
int	localTerm()
void	registerListener(DruidLeaderSelector.Listener listener)
void	unregisterListener()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

K8sDruidLeaderSelector

public K8sDruidLeaderSelector(DruidNode self,
                              String lockResourceName,
                              String lockResourceNamespace,
                              K8sDiscoveryConfig discoveryConfig,
                              K8sLeaderElectorFactory k8sLeaderElectorFactory)

Method Detail

getCurrentLeader

@Nullable
public String getCurrentLeader()

Specified by:

getCurrentLeader in interface DruidLeaderSelector

isLeader

public boolean isLeader()

Specified by:

isLeader in interface DruidLeaderSelector

localTerm

public int localTerm()

Specified by:

localTerm in interface DruidLeaderSelector

registerListener

public void registerListener(DruidLeaderSelector.Listener listener)

Specified by:

registerListener in interface DruidLeaderSelector

unregisterListener

public void unregisterListener()

Specified by:

unregisterListener in interface DruidLeaderSelector