org.apache.shardingsphere.elasticjob.lite.internal.election

Class LeaderService

java.lang.Object

org.apache.shardingsphere.elasticjob.lite.internal.election.LeaderService

public final class LeaderService
extends Object

Leader service.

Constructor Summary

Constructors

Constructor and Description
LeaderService(CoordinatorRegistryCenter regCenter, String jobName)

Method Summary

Modifier and Type	Method and Description
void	electLeader() Elect leader.
boolean	hasLeader() Judge has leader or not in current time.
boolean	isLeader() Judge current server is leader or not.
boolean	isLeaderUntilBlock() Judge current server is leader or not.
void	removeLeader() Remove leader and trigger leader election.

Methods inherited from class java.lang.Object

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

Constructor Detail

LeaderService

public LeaderService(CoordinatorRegistryCenter regCenter,
                     String jobName)

Method Detail

electLeader

public void electLeader()

Elect leader.

isLeaderUntilBlock

public boolean isLeaderUntilBlock()

Judge current server is leader or not.

If leader is electing, this method will block until leader elected success.

Returns:

current server is leader or not

isLeader

public boolean isLeader()

Judge current server is leader or not.

Returns:

current server is leader or not

hasLeader

public boolean hasLeader()

Judge has leader or not in current time.

Returns:

has leader or not in current time

removeLeader

public void removeLeader()

Remove leader and trigger leader election.