org.wildfly.clustering.server.singleton

Class AbstractDistributedSingletonService<C extends SingletonContext>

java.lang.Object

org.wildfly.clustering.server.singleton.AbstractDistributedSingletonService<C>

All Implemented Interfaces:

Supplier<C>, org.jboss.msc.Service, ServiceProviderRegistration.Listener, Lifecycle, SingletonContext, SingletonService, Singleton, SingletonElectionListener

Direct Known Subclasses:

DistributedSingletonService, LegacyDistributedSingletonService

public abstract class AbstractDistributedSingletonService<C extends SingletonContext>
extends Object
implements SingletonService, SingletonContext, ServiceProviderRegistration.Listener, Supplier<C>

Logic common to current and legacy SingletonService implementations.

Author:

Paul Ferraro

Field Summary

Fields inherited from interface org.jboss.msc.Service

NULL

Constructor Summary

Constructors

Constructor and Description
AbstractDistributedSingletonService(DistributedSingletonServiceContext context, Function<org.jboss.msc.service.ServiceTarget,Lifecycle> primaryLifecycleFactory)

Method Summary

Modifier and Type	Method and Description
void	elected(List<Node> candidates, Node elected)
Node	getPrimaryProvider()
Set<Node>	getProviders()
boolean	isPrimary()
void	providersChanged(Set<Node> nodes)
void	start() Start this object.
void	start(org.jboss.msc.service.StartContext context)
void	stop() Stop this object.
void	stop(org.jboss.msc.service.StopContext context)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jboss.msc.Service

newInstance

Methods inherited from interface org.wildfly.clustering.singleton.Singleton

isMaster

Methods inherited from interface java.util.function.Supplier

get

Constructor Detail

AbstractDistributedSingletonService

public AbstractDistributedSingletonService(DistributedSingletonServiceContext context,
                                           Function<org.jboss.msc.service.ServiceTarget,Lifecycle> primaryLifecycleFactory)

Method Detail

start

public void start(org.jboss.msc.service.StartContext context)
           throws org.jboss.msc.service.StartException

Specified by:

start in interface org.jboss.msc.Service

Throws:

org.jboss.msc.service.StartException

stop

public void stop(org.jboss.msc.service.StopContext context)

Specified by:

stop in interface org.jboss.msc.Service

providersChanged

public void providersChanged(Set<Node> nodes)

Specified by:

providersChanged in interface ServiceProviderRegistration.Listener

start

public void start()

Description copied from interface: Lifecycle

Start this object.

Specified by:

start in interface Lifecycle

stop

public void stop()

Description copied from interface: Lifecycle

Stop this object.

Specified by:

stop in interface Lifecycle

elected

public void elected(List<Node> candidates,
                    Node elected)

Specified by:

elected in interface SingletonElectionListener

isPrimary

public boolean isPrimary()

Specified by:

isPrimary in interface Singleton

getPrimaryProvider

public Node getPrimaryProvider()

Specified by:

getPrimaryProvider in interface Singleton

getProviders

public Set<Node> getProviders()

Specified by:

getProviders in interface Singleton