Package org.springframework.cloud.kubernetes.commons.leader

Class LeadershipController

java.lang.Object

org.springframework.cloud.kubernetes.commons.leader.LeadershipController

public abstract class LeadershipController
extends Object

Author:

Ryan Baxter

Field Summary

Fields

Modifier and Type	Field	Description
protected org.springframework.integration.leader.Candidate	candidate
protected static final String	KIND
protected static final String	KIND_KEY
protected org.springframework.integration.leader.event.LeaderEventPublisher	leaderEventPublisher
protected LeaderProperties	leaderProperties
protected PodReadinessWatcher	leaderReadinessWatcher
protected Leader	localLeader
protected static final String	PROVIDER
protected static final String	PROVIDER_KEY

Constructor Summary

Constructors

Constructor	Description
LeadershipController(org.springframework.integration.leader.Candidate candidate, LeaderProperties leaderProperties, org.springframework.integration.leader.event.LeaderEventPublisher leaderEventPublisher)

Method Summary

Modifier and Type	Method	Description
protected abstract PodReadinessWatcher	createPodReadinessWatcher(String localLeaderId)
protected Leader	extractLeader(Map<String,String> data)
protected Map<String,String>	getLeaderData(org.springframework.integration.leader.Candidate candidate)
protected String	getLeaderKey()
Optional<Leader>	getLocalLeader()
protected void	handleLeaderChange(Leader newLeader)
protected void	notifyOnFailedToAcquire()
protected void	notifyOnGranted()
protected void	notifyOnRevoked()
protected void	restartLeaderReadinessWatcher()
abstract void	revoke()
abstract void	update()

Methods inherited from class java.lang.Object

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

Field Details

PROVIDER_KEY

protected static final String PROVIDER_KEY

See Also:

• Constant Field Values

PROVIDER

protected static final String PROVIDER

See Also:

• Constant Field Values

KIND_KEY

protected static final String KIND_KEY

See Also:

• Constant Field Values

KIND

protected static final String KIND

See Also:

• Constant Field Values

candidate

protected org.springframework.integration.leader.Candidate candidate

localLeader

protected Leader localLeader

leaderProperties

protected LeaderProperties leaderProperties

leaderEventPublisher

protected org.springframework.integration.leader.event.LeaderEventPublisher leaderEventPublisher

leaderReadinessWatcher

protected PodReadinessWatcher leaderReadinessWatcher

Constructor Details

LeadershipController

public LeadershipController(org.springframework.integration.leader.Candidate candidate,
 LeaderProperties leaderProperties,
 org.springframework.integration.leader.event.LeaderEventPublisher leaderEventPublisher)

Method Details

getLocalLeader

public Optional<Leader> getLocalLeader()

update

public abstract void update()

revoke

public abstract void revoke()

getLeaderKey

protected String getLeaderKey()

getLeaderData

protected Map<String,String> getLeaderData(org.springframework.integration.leader.Candidate candidate)

extractLeader

protected Leader extractLeader(Map<String,String> data)

handleLeaderChange

protected void handleLeaderChange(Leader newLeader)

notifyOnGranted

protected void notifyOnGranted()

notifyOnRevoked

protected void notifyOnRevoked()

notifyOnFailedToAcquire

protected void notifyOnFailedToAcquire()

restartLeaderReadinessWatcher

protected void restartLeaderReadinessWatcher()

createPodReadinessWatcher

protected abstract PodReadinessWatcher createPodReadinessWatcher(String localLeaderId)