Package io.fabric8.kubernetes.client.extended.leaderelection.resourcelock

Class ConfigMapLock

java.lang.Object

io.fabric8.kubernetes.client.extended.leaderelection.resourcelock.ConfigMapLock

All Implemented Interfaces:

Lock

public class ConfigMapLock
extends Object
implements Lock

Field Summary

Fields inherited from interface io.fabric8.kubernetes.client.extended.leaderelection.resourcelock.Lock

LEADER_ELECTION_RECORD_ANNOTATION_KEY

Constructor Summary

Constructors

Constructor	Description
ConfigMapLock(String configMapNamespace, String configMapName, String identity)

Method Summary

Modifier and Type	Method	Description
<C extends Namespaceable<C> & KubernetesClient> void	create(C client, LeaderElectionRecord leaderElectionRecord)	Attempt to create a new LeaderElectionRecord.
String	describe()	Full description of the current lock.
<C extends Namespaceable<C> & KubernetesClient> LeaderElectionRecord	get(C client)	Returns the current LeaderElectionRecord or null if none.
String	identity()	Returns the unique id of the lock holder.
<C extends Namespaceable<C> & KubernetesClient> void	update(C client, LeaderElectionRecord leaderElectionRecord)	Attempts to update the current LeaderElectionRecord.

Methods inherited from class java.lang.Object

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

Constructor Detail

ConfigMapLock

public ConfigMapLock(String configMapNamespace,
                     String configMapName,
                     String identity)

Method Detail

get

public <C extends Namespaceable<C> & KubernetesClient> LeaderElectionRecord get(C client)

Returns the current LeaderElectionRecord or null if none.

Specified by:

get in interface Lock

Type Parameters:

C - Type parameter for the Client

Parameters:

client - used to retrieve the LeaderElectionRecord

Returns:

the current LeaderElectionRecord or null if none

create

public <C extends Namespaceable<C> & KubernetesClient> void create(C client,
                                                                   LeaderElectionRecord leaderElectionRecord)
                                                            throws LockException

Attempt to create a new LeaderElectionRecord.

Specified by:

create in interface Lock

Type Parameters:

C - Type parameter for the Client

Parameters:

client - used to retrieve the LeaderElectionRecord

leaderElectionRecord - to update

Throws:

LockException - if update was not possible

update

public <C extends Namespaceable<C> & KubernetesClient> void update(C client,
                                                                   LeaderElectionRecord leaderElectionRecord)
                                                            throws LockException

Attempts to update the current LeaderElectionRecord.

Specified by:

update in interface Lock

Type Parameters:

C - Type parameter for the Client

Parameters:

client - used to retrieve the LeaderElectionRecord

leaderElectionRecord - to update

Throws:

LockException - if update was not possible

identity

public String identity()

Returns the unique id of the lock holder. This id is to compare ids with current LeaderElectionRecord.getHolderIdentity() to check for leadership.

Specified by:

identity in interface Lock

Returns:

unique id for the lock

describe

public String describe()

Full description of the current lock.

Specified by:

describe in interface Lock

Returns:

lock description