/*
* Copyright 2007 Zhang, Zheng <oldbig@gmail.com>
*
* This file is part of ZOJ.
*
* ZOJ 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 revision 3 of the License, or (at your option) any later revision.
*
* ZOJ 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 ZOJ. if not, see
* <http://www.gnu.org/licenses/>.
*/
package cn.edu.zju.acm.onlinejudge.persistence;
import java.util.List;
import cn.edu.zju.acm.onlinejudge.bean.Configuration;
/**
* <p>
* ConfigurationPersistence interface defines the API used to load and store Configurations from the persistence layer.
* </p>
*
* @version 2.0
* @author Zhang, Zheng
*/
public interface ConfigurationPersistence {
/**
* <p>
* Returns a list of Configuration instances retrieved from persistence layer.
* </p>
*
* @return a list of Configuration instances retrieved from persistence layer.
* @throws PersistenceException
* wrapping a persistence implementation specific exception
*/
List<Configuration> getConfigurations() throws PersistenceException;
/**
* <p>
* Stores the given list of Configuration instances to persistence layer.
* </p>
*
* @param configurations
* a list of Configuration instances to store
* @param user
* the id of the user who made this modification.
* @throws PersistenceException
* wrapping a persistence implementation specific exception
*/
void setConfigurations(List<Configuration> configurations, long user) throws PersistenceException;
}