/* ********************************************************************** **
** Copyright notice **
** **
** (c) 2005-2006 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.BookMark;
import org.rssowl.core.persist.IBookMark;
import org.rssowl.core.persist.dao.IBookMarkDAO;
import org.rssowl.core.persist.event.BookMarkEvent;
import org.rssowl.core.persist.event.BookMarkListener;
import org.rssowl.core.persist.reference.FeedLinkReference;
import org.rssowl.core.persist.service.PersistenceException;
import com.db4o.ext.Db4oException;
import com.db4o.query.Query;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
/**
* A data-access-object for <code>IBookMark</code>s.
*
* @author Ismael Juma (ismael@juma.me.uk)
*/
public final class BookMarkDAOImpl extends AbstractEntityDAO<IBookMark, BookMarkListener, BookMarkEvent> implements IBookMarkDAO {
/** Default constructor using the specific IPersistable for this DAO */
public BookMarkDAOImpl() {
super(BookMark.class, false);
}
@Override
protected final BookMarkEvent createDeleteEventTemplate(IBookMark entity) {
return createSaveEventTemplate(entity);
}
@Override
protected final BookMarkEvent createSaveEventTemplate(IBookMark entity) {
return new BookMarkEvent(entity, null, true);
}
public final Collection<IBookMark> loadAll(FeedLinkReference feedRef) {
try {
Query query = fDb.query();
query.constrain(fEntityClass);
query.descend("fFeedLink").constrain(feedRef.getLink().toString()); //$NON-NLS-1$
List<IBookMark> marks = getList(query);
activateAll(marks);
return new ArrayList<IBookMark>(marks);
} catch (Db4oException e) {
throw new PersistenceException(e);
}
}
}