/* ********************************************************************** **
** Copyright notice **
** **
** (c) 2005-2009 RSSOwl Development Team **
** http://www.rssowl.org/ **
** **
** All rights reserved **
** **
** This program and the accompanying materials are made available under **
** the terms of the Eclipse Public License v1.0 which accompanies this **
** distribution, and is available at: **
** http://www.rssowl.org/legal/epl-v10.html **
** **
** A copy is found in the file epl-v10.html and important notices to the **
** license from the team is found in the textfile LICENSE.txt distributed **
** in this package. **
** **
** This copyright notice MUST APPEAR in all copies of the file! **
** **
** Contributors: **
** RSSOwl Development Team - initial API and implementation **
** **
** ********************************************************************** */
package org.rssowl.core.internal.persist.dao;
import org.rssowl.core.internal.persist.Attachment;
import org.rssowl.core.internal.persist.service.DBHelper;
import org.rssowl.core.persist.IAttachment;
import org.rssowl.core.persist.INews;
import org.rssowl.core.persist.dao.IAttachmentDAO;
import org.rssowl.core.persist.event.AttachmentEvent;
import org.rssowl.core.persist.event.AttachmentListener;
import org.rssowl.core.persist.event.NewsEvent;
/**
* A data-access-object for <code>IAttachment</code>s.
*
* @author Ismael Juma (ismael@juma.me.uk)
*/
public final class AttachmentDAOImpl extends AbstractEntityDAO<IAttachment, AttachmentListener, AttachmentEvent> implements IAttachmentDAO {
/** Default constructor using the specific IPersistable for this DAO */
public AttachmentDAOImpl() {
super(Attachment.class, false);
}
/*
* @see org.rssowl.core.internal.persist.dao.AbstractEntityDAO#
* createDeleteEventTemplate(org.rssowl.core.persist.IEntity)
*/
@Override
protected final AttachmentEvent createDeleteEventTemplate(IAttachment entity) {
return createSaveEventTemplate(entity);
}
/*
* @see
* org.rssowl.core.internal.persist.dao.AbstractEntityDAO#createSaveEventTemplate
* (org.rssowl.core.persist.IEntity)
*/
@Override
protected final AttachmentEvent createSaveEventTemplate(IAttachment entity) {
return new AttachmentEvent(entity, true);
}
/*
* @see
* org.rssowl.core.internal.persist.dao.AbstractPersistableDAO#doDelete(org
* .rssowl.core.persist.IPersistable)
*/
@Override
public final void doDelete(IAttachment entity) {
//Not sure about this, but let's do it for now to help us track a bug
//in NewsService where never having a newsUpdated with a null oldNews is helpful
INews news = entity.getNews();
INews oldNews = fDb.ext().peekPersisted(news, 2, true);
NewsEvent newsEvent = new NewsEvent(oldNews, news, false);
DBHelper.putEventTemplate(newsEvent);
super.doDelete(entity);
}
}