org.onosproject.net.provider

Class AbstractListenerProviderRegistry<E extends Event,L extends EventListener<E>,P extends Provider,S extends ProviderService<P>>

java.lang.Object

org.onosproject.net.provider.AbstractProviderRegistry<P,S>

org.onosproject.net.provider.AbstractListenerProviderRegistry<E,L,P,S>

All Implemented Interfaces:

ListenerService<E,L>, ProviderRegistry<P,S>

public abstract class AbstractListenerProviderRegistry<E extends Event,L extends EventListener<E>,P extends Provider,S extends ProviderService<P>>
extends AbstractProviderRegistry<P,S>
implements ListenerService<E,L>

Basis for components which need to export listener mechanism.

Field Summary

Fields

Modifier and Type	Field and Description
protected EventDeliveryService	eventDispatcher
protected ListenerRegistry<E,L>	listenerRegistry

Constructor Summary

Constructors

Constructor and Description
AbstractListenerProviderRegistry()

Method Summary

Modifier and Type	Method and Description
void	addListener(L listener) Adds the specified listener.
protected void	post(E event) Safely posts the specified event to the local event dispatcher.
void	removeListener(L listener) Removes the specified listener.

Methods inherited from class org.onosproject.net.provider.AbstractProviderRegistry

createProviderService, defaultProvider, getProvider, getProvider, getProvider, getProviders, register, unregister

Methods inherited from class java.lang.Object

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

Field Detail

listenerRegistry

protected final ListenerRegistry<E extends Event,L extends EventListener<E>> listenerRegistry

eventDispatcher

@Reference(cardinality=MANDATORY_UNARY)
protected EventDeliveryService eventDispatcher

Constructor Detail

AbstractListenerProviderRegistry

public AbstractListenerProviderRegistry()

Method Detail

addListener

public void addListener(L listener)

Description copied from interface: ListenerService

Adds the specified listener.

Specified by:

addListener in interface ListenerService<E extends Event,L extends EventListener<E>>

Parameters:

listener - listener to be added

removeListener

public void removeListener(L listener)

Description copied from interface: ListenerService

Removes the specified listener.

Specified by:

removeListener in interface ListenerService<E extends Event,L extends EventListener<E>>

Parameters:

listener - listener to be removed

post

protected void post(E event)

Safely posts the specified event to the local event dispatcher. If there is no event dispatcher or if the event is null, this method is a noop.

Parameters:

event - event to be posted; may be null