org.onosproject.store.trivial.impl

Class SimpleLeadershipManager

java.lang.Object

org.onosproject.store.trivial.impl.SimpleLeadershipManager

All Implemented Interfaces:

org.onosproject.cluster.LeadershipService

@Service
public class SimpleLeadershipManager
extends Object
implements org.onosproject.cluster.LeadershipService

A trivial implementation of the leadership service.

The service is not distributed, so it can assume there's a single leadership contender. This contender is always granted leadership whenever it asks.

Constructor Summary

Constructors

Constructor and Description
SimpleLeadershipManager()

Method Summary

Modifier and Type	Method and Description
void	addListener(org.onosproject.cluster.LeadershipEventListener listener)
Map<String,List<org.onosproject.cluster.NodeId>>	getCandidates()
List<org.onosproject.cluster.NodeId>	getCandidates(String path)
org.onosproject.cluster.NodeId	getLeader(String path)
Map<String,org.onosproject.cluster.Leadership>	getLeaderBoard()
org.onosproject.cluster.Leadership	getLeadership(String path)
boolean	makeTopCandidate(String path, org.onosproject.cluster.NodeId nodeId)
Set<String>	ownedTopics(org.onosproject.cluster.NodeId nodeId)
void	removeListener(org.onosproject.cluster.LeadershipEventListener listener)
CompletableFuture<org.onosproject.cluster.Leadership>	runForLeadership(String path)
boolean	stepdown(String path)
CompletableFuture<Void>	withdraw(String path)

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleLeadershipManager

public SimpleLeadershipManager()

Method Detail

getLeader

public org.onosproject.cluster.NodeId getLeader(String path)

Specified by:

getLeader in interface org.onosproject.cluster.LeadershipService

getLeadership

public org.onosproject.cluster.Leadership getLeadership(String path)

Specified by:

getLeadership in interface org.onosproject.cluster.LeadershipService

ownedTopics

public Set<String> ownedTopics(org.onosproject.cluster.NodeId nodeId)

Specified by:

ownedTopics in interface org.onosproject.cluster.LeadershipService

runForLeadership

public CompletableFuture<org.onosproject.cluster.Leadership> runForLeadership(String path)

Specified by:

runForLeadership in interface org.onosproject.cluster.LeadershipService

withdraw

public CompletableFuture<Void> withdraw(String path)

Specified by:

withdraw in interface org.onosproject.cluster.LeadershipService

getLeaderBoard

public Map<String,org.onosproject.cluster.Leadership> getLeaderBoard()

Specified by:

getLeaderBoard in interface org.onosproject.cluster.LeadershipService

addListener

public void addListener(org.onosproject.cluster.LeadershipEventListener listener)

Specified by:

addListener in interface org.onosproject.cluster.LeadershipService

removeListener

public void removeListener(org.onosproject.cluster.LeadershipEventListener listener)

Specified by:

removeListener in interface org.onosproject.cluster.LeadershipService

getCandidates

public Map<String,List<org.onosproject.cluster.NodeId>> getCandidates()

Specified by:

getCandidates in interface org.onosproject.cluster.LeadershipService

getCandidates

public List<org.onosproject.cluster.NodeId> getCandidates(String path)

Specified by:

getCandidates in interface org.onosproject.cluster.LeadershipService

stepdown

public boolean stepdown(String path)

Specified by:

stepdown in interface org.onosproject.cluster.LeadershipService

makeTopCandidate

public boolean makeTopCandidate(String path,
                                org.onosproject.cluster.NodeId nodeId)

Specified by:

makeTopCandidate in interface org.onosproject.cluster.LeadershipService