org.graylog2.cluster.leader

Class FakeLeaderElectionService

java.lang.Object

com.google.common.util.concurrent.AbstractIdleService

org.graylog2.cluster.leader.FakeLeaderElectionService

All Implemented Interfaces:

com.google.common.util.concurrent.Service, LeaderElectionService

@Singleton
public class FakeLeaderElectionService
extends com.google.common.util.concurrent.AbstractIdleService
implements LeaderElectionService

Leader election when we don't care (i.e. Forwarder) - always claim leader

Nested Class Summary

Nested classes/interfaces inherited from interface com.google.common.util.concurrent.Service

com.google.common.util.concurrent.Service.Listener, com.google.common.util.concurrent.Service.State

Constructor Summary

Constructors

Constructor and Description
FakeLeaderElectionService()

Method Summary

Modifier and Type	Method and Description
boolean	isLeader() Check if the current node is the leader of the cluster.
protected void	shutDown()
protected void	startUp()

Methods inherited from class com.google.common.util.concurrent.AbstractIdleService

addListener, awaitRunning, awaitRunning, awaitRunning, awaitTerminated, awaitTerminated, awaitTerminated, executor, failureCause, isRunning, serviceName, startAsync, state, stopAsync, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

FakeLeaderElectionService

public FakeLeaderElectionService()

Method Detail

isLeader

public boolean isLeader()

Description copied from interface: LeaderElectionService

Check if the current node is the leader of the cluster.

This method might be called frequently. Implementations should be performant and resource-friendly.

Specified by:

isLeader in interface LeaderElectionService

Returns:

true if the current node is the leader, false if it is not

startUp

protected void startUp()

Specified by:

startUp in class com.google.common.util.concurrent.AbstractIdleService

shutDown

protected void shutDown()

Specified by:

shutDown in class com.google.common.util.concurrent.AbstractIdleService