Package com.netflix.genie.web.services.impl

Class ClusterLeaderServiceCuratorImpl

java.lang.Object

com.netflix.genie.web.services.impl.ClusterLeaderServiceCuratorImpl

All Implemented Interfaces:

ClusterLeaderService

public class ClusterLeaderServiceCuratorImpl
extends Object
implements ClusterLeaderService

Implementation of ClusterLeaderService using Spring's LeaderInitiator (Zookeeper/Curator based leader election mechanism).

Since:

4.0.0

Constructor Summary

Constructors

Constructor	Description
ClusterLeaderServiceCuratorImpl(org.springframework.integration.zookeeper.leader.LeaderInitiator leaderInitiator)	Constructor.

Method Summary

Modifier and Type	Method	Description
boolean	isLeader()	Whether or not this node is the current cluster leader.
boolean	isRunning()	Whether or not this node is participating in the cluster leader election.
void	start()	Start the service (i.e.
void	stop()	Stop the service (i.e.

Methods inherited from class java.lang.Object

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

Constructor Details

ClusterLeaderServiceCuratorImpl

public ClusterLeaderServiceCuratorImpl(org.springframework.integration.zookeeper.leader.LeaderInitiator leaderInitiator)

Constructor.

Parameters:

leaderInitiator - the leader initiator component

Method Details

stop

public void stop()

Stop the service (i.e. renounce leadership and leave the election).

Specified by:

stop in interface ClusterLeaderService

start

public void start()

Start the service (i.e. join the the election).

Specified by:

start in interface ClusterLeaderService

isRunning

public boolean isRunning()

Whether or not this node is participating in the cluster leader election.

Specified by:

isRunning in interface ClusterLeaderService

Returns:

true if the node is participating in leader election

isLeader

public boolean isLeader()

Whether or not this node is the current cluster leader.

Specified by:

isLeader in interface ClusterLeaderService

Returns:

true if the node is the current cluster leader