net.sf.mmm.util.event.base

Class AbstractEventBus.EventListenerContainer<E>

java.lang.Object

net.sf.mmm.util.event.base.AbstractEventBus.EventListenerContainer<E>

Type Parameters:

E - is the generic event type.

Enclosing class:

AbstractEventBus

protected static class AbstractEventBus.EventListenerContainer<E>
extends Object

A simple container for a registered EventListener.

Field Summary

Fields

Modifier and Type	Field and Description
private EventListener<E>	eventListener
private Class<E>	eventType

Constructor Summary

Constructors

Constructor and Description
EventListenerContainer(Class<E> eventType, EventListener<E> eventListener) The constructor.

Method Summary

Modifier and Type	Method and Description
protected void	clear() Clears this event adapter.
EventListener<E>	getEventListener()
Class<E>	getEventType()
protected boolean	isCleared()

Methods inherited from class java.lang.Object

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

Field Detail

eventType

private final Class<E> eventType

See Also:

getEventType()

eventListener

private EventListener<E> eventListener

See Also:

getEventListener()

Constructor Detail

EventListenerContainer

public EventListenerContainer(Class<E> eventType,
                              EventListener<E> eventListener)

The constructor.

Parameters:

eventType - - see getEventType().

eventListener - - see getEventListener().

Method Detail

clear

protected void clear()

Clears this event adapter. This will replace the actual listener with a dummy instance that ignores all events.

isCleared

protected boolean isCleared()

Returns:

true if this adapter has been cleared, false otherwise.

getEventType

public Class<E> getEventType()

Returns:

the Class reflecting the Events to listen to.

See Also:

EventBus.addListener(Class, EventListener)

getEventListener

public EventListener<E> getEventListener()

Returns:

the EventListener.