org.mmbase.core.event
Class AbstractEventBroker

java.lang.Object
  org.mmbase.core.event.EventBroker
      org.mmbase.core.event.AbstractEventBroker

Direct Known Subclasses:

AllEventBroker, IdEventBroker, SystemEventBroker

public abstract class AbstractEventBroker
extends EventBroker

An EventBroker which makes sure the the same listener is added only once.

Since:

MMBase-1.8

Version:

$Id: AbstractEventBroker.java 45541 2011-03-08 18:11:40Z michiel $

Author:

Ernst Bunders

Constructor Summary

AbstractEventBroker()

Method Summary

boolean	addListener(EventListener listener)
protected Collection<EventListener>	backing()
void	removeListener(EventListener listener)

Methods inherited from class org.mmbase.core.event.EventBroker

canBrokerForEvent, canBrokerForListener, equals, getListeners, hashCode, notifyEventListener, notifyForEvent, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

AbstractEventBroker

public AbstractEventBroker()

Method Detail

backing

protected Collection<EventListener> backing()

Specified by:

backing in class EventBroker

addListener

public boolean addListener(EventListener listener)

Specified by:

addListener in class EventBroker

removeListener

public void removeListener(EventListener listener)

Specified by:

removeListener in class EventBroker