/*
This file is part of Cyclos (www.cyclos.org).
A project of the Social Trade Organisation (www.socialtrade.org).
Cyclos is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
Cyclos is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Cyclos; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package nl.strohalm.cyclos.dao.alerts;
import java.util.List;
import nl.strohalm.cyclos.dao.BaseDAO;
import nl.strohalm.cyclos.dao.DeletableDAO;
import nl.strohalm.cyclos.dao.InsertableDAO;
import nl.strohalm.cyclos.entities.alerts.Alert;
import nl.strohalm.cyclos.entities.alerts.AlertQuery;
import nl.strohalm.cyclos.entities.exceptions.DaoException;
/**
* Interface for alert DAO. Note that AlertDAO extends DeletableDAO, but does not discard entities permanently, only marks them as removed in the
* persistence layer.
* @author rafael
*/
public interface AlertDAO extends BaseDAO<Alert>, InsertableDAO<Alert>, DeletableDAO<Alert> {
/**
* Returns the alert count for the given alert type. If any exception is thrown by the underlying implementation, it should be wrapped by a
* DaoException.
*
* @throws DaoException
*/
public int getCount(Alert.Type type) throws DaoException;
/**
* Searches for alerts, ordering by date descending. If no entity can be found, returns an empty list. If any exception is thrown by the
* underlying implementation, it should be wrapped by a DaoException.
*
* @throws DaoException
*/
public List<Alert> search(AlertQuery queryParameters) throws DaoException;
}