ch.elca.el4j.services.persistence.generic.dao.impl
Class DefaultDaoChangeNotifier

java.lang.Object
  ch.elca.el4j.services.persistence.generic.dao.impl.DefaultDaoChangeNotifier

All Implemented Interfaces:

DaoChangeNotifier

public class DefaultDaoChangeNotifier
extends Object
implements DaoChangeNotifier

A default implementation with no notable features.

Author:

Adrian Moos (AMS)

File-location:

DefaultDaoChangeNotifier

Last check-in date:

2009-08-04 14:25:40 +0200 (Di, 04. Aug 2009) by swismer for revision 3874

Nested Class Summary

Nested classes/interfaces inherited from interface ch.elca.el4j.services.persistence.generic.dao.DaoChangeNotifier

DaoChangeNotifier.Change, DaoChangeNotifier.EntityChange, DaoChangeNotifier.EntityDeleted, DaoChangeNotifier.EntityInserted, DaoChangeNotifier.EntityStateChanged, DaoChangeNotifier.NewEntityState

Field Summary

protected List<DaoChangeListener>

m_listeners The presently subscribed listeners.

Fields inherited from interface ch.elca.el4j.services.persistence.generic.dao.DaoChangeNotifier

FUZZY_CHANGE

Constructor Summary

DefaultDaoChangeNotifier()

Method Summary

void	announce(DaoChangeNotifier.Change change) Announces change to all subscribed observers.
void	subscribe(DaoChangeListener cl) Causes cl to receive future change notifications.
void	unsubscribe(DaoChangeListener cl) Causes cl to no longer receive future change notifications.

Methods inherited from class java.lang.Object

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

Field Detail

m_listeners

protected List<DaoChangeListener> m_listeners

The presently subscribed listeners.

Constructor Detail

DefaultDaoChangeNotifier

public DefaultDaoChangeNotifier()

Method Detail

subscribe

public void subscribe(DaoChangeListener cl)

Causes cl to receive future change notifications.

Specified by:

subscribe in interface DaoChangeNotifier

Parameters:

cl - The DaoChangeListener to subscribe

unsubscribe

public void unsubscribe(DaoChangeListener cl)

Causes cl to no longer receive future change notifications.

Specified by:

unsubscribe in interface DaoChangeNotifier

Parameters:

cl - The DaoChangeListener to unsubscribe

announce

public void announce(DaoChangeNotifier.Change change)

Announces change to all subscribed observers.

Specified by:

announce in interface DaoChangeNotifier

Parameters:

change - The change to announce