/* ********************************************************************** **
** 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.SearchMark;
import org.rssowl.core.internal.persist.service.DBHelper;
import org.rssowl.core.persist.ISearchCondition;
import org.rssowl.core.persist.ISearchMark;
import org.rssowl.core.persist.dao.ISearchMarkDAO;
import org.rssowl.core.persist.event.SearchMarkEvent;
import org.rssowl.core.persist.event.SearchMarkListener;
import org.rssowl.core.persist.service.PersistenceException;
import com.db4o.ext.Db4oException;
import com.db4o.query.Query;
import java.util.Date;
import java.util.Set;
/**
* A data-access-object for <code>ISearchMark</code>s.
*
* @author Ismael Juma (ismael@juma.me.uk)
*/
public final class SearchMarkDAOImpl extends AbstractEntityDAO<ISearchMark, SearchMarkListener, SearchMarkEvent> implements ISearchMarkDAO {
/** Default constructor using the specific IPersistable for this DAO */
public SearchMarkDAOImpl() {
super(SearchMark.class, true);
}
@Override
protected final SearchMarkEvent createDeleteEventTemplate(ISearchMark entity) {
return createSaveEventTemplate(entity);
}
@Override
protected final SearchMarkEvent createSaveEventTemplate(ISearchMark entity) {
return new SearchMarkEvent(entity, null, true);
}
public void fireResultsChanged(Set<SearchMarkEvent> events) {
for (SearchMarkListener listener : fEntityListeners) {
listener.resultsChanged(events);
}
}
public ISearchMark load(ISearchCondition searchCondition) {
Query query = fDb.query();
query.constrain(fEntityClass);
query.descend("fSearchConditions").constrain(searchCondition); //$NON-NLS-1$
return getSingleResult(query);
}
public void visited(ISearchMark mark) {
fWriteLock.lock();
try {
mark.setLastVisitDate(new Date());
mark.setPopularity(mark.getPopularity() + 1);
preSave(mark);
fDb.ext().store(mark, 1);
fDb.commit();
} catch (Db4oException e) {
throw new PersistenceException(e);
} finally {
fWriteLock.unlock();
}
DBHelper.cleanUpAndFireEvents();
}
}