com.h3c.util.event

Class AbstractEventSink<E,L>

java.lang.Object

com.h3c.util.event.AbstractEventSink<E,L>

Type Parameters:

E - event class

L - listener class

All Implemented Interfaces:

EventSink

public abstract class AbstractEventSink<E,L>
extends Object
implements EventSink

Abstraction of an event sink suitable as a base implementation.

Field Summary

Fields

Modifier and Type	Field and Description
protected CopyOnWriteArraySet<L>	listeners Set of our listeners.

Constructor Summary

Constructors

Constructor and Description
AbstractEventSink()

Method Summary

Methods

Modifier and Type	Method and Description
void	addListener(L listener) Adds a new listener.
protected abstract void	dispatch(E event, L listener) Dispatches an event to the specified listener.
void	dispatch(Event event) Dispatches the specified event to all listeners or delegates.
Set<L>	getListeners() Gets all registered listeners.
void	removeListener(L listener) Removes the specified listener.

Methods inherited from class java.lang.Object

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

Field Detail

listeners

protected final CopyOnWriteArraySet<L> listeners

Set of our listeners.

Constructor Detail

AbstractEventSink

public AbstractEventSink()

Method Detail

addListener

public void addListener(L listener)

Adds a new listener.

Parameters:

listener - listener to be added

removeListener

public void removeListener(L listener)

Removes the specified listener.

Parameters:

listener - listener to be removed

getListeners

public Set<L> getListeners()

Gets all registered listeners.

Returns:

set of registered listeners

dispatch

protected abstract void dispatch(E event,
            L listener)

Dispatches an event to the specified listener.

Parameters:

event - event to be dispatched

listener - target listener

dispatch

public void dispatch(Event event)

Description copied from interface: EventSink

Dispatches the specified event to all listeners or delegates.

Specified by:

dispatch in interface EventSink

Parameters:

event - event data