org.apache.pulsar.broker.loadbalance

Class LeaderElectionService

java.lang.Object

org.apache.pulsar.broker.loadbalance.LeaderElectionService

All Implemented Interfaces:

AutoCloseable

public class LeaderElectionService
extends Object
implements AutoCloseable

A class that provides way to elect the leader among brokers.

Constructor Summary

Constructors

Constructor and Description
LeaderElectionService(org.apache.pulsar.metadata.api.coordination.CoordinationService cs, String localWebServiceAddress, Consumer<org.apache.pulsar.metadata.api.coordination.LeaderElectionState> listener)

Method Summary

Modifier and Type	Method and Description
void	close()
Optional<LeaderBroker>	getCurrentLeader()
boolean	isLeader()
CompletableFuture<Optional<LeaderBroker>>	readCurrentLeader()
void	start()

Methods inherited from class java.lang.Object

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

Constructor Detail

LeaderElectionService

public LeaderElectionService(org.apache.pulsar.metadata.api.coordination.CoordinationService cs,
                             String localWebServiceAddress,
                             Consumer<org.apache.pulsar.metadata.api.coordination.LeaderElectionState> listener)

Method Detail

start

public void start()

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Throws:

Exception

readCurrentLeader

public CompletableFuture<Optional<LeaderBroker>> readCurrentLeader()

getCurrentLeader

public Optional<LeaderBroker> getCurrentLeader()

isLeader

public boolean isLeader()