grouppersistenceprovider.java

OpenReports是一个完整的基于Web的报表方案

/*
 * Copyright (C) 2002 Erik Swenson - [e-mail]
 * 
 * This program 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.
 * 
 * This program 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
 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place - Suite 330, Boston, MA 02111-1307, USA.
 *  
 */

package org.efs.openreports.providers.persistence;

import java.util.List;

import org.apache.commons.logging.*;

import org.efs.openreports.objects.ReportGroup;
import org.efs.openreports.providers.ProviderException;

public class GroupPersistenceProvider extends HibernateProvider
{
	protected static Log log =
		LogFactory.getLog(GroupPersistenceProvider.class.getName());

	public GroupPersistenceProvider() throws ProviderException
	{
		super();

		log.info("GroupPersistenceProvider Created.");
	}

	public ReportGroup getReportGroup(Integer id) throws ProviderException
	{
		return (ReportGroup) load(ReportGroup.class, id);
	}

	public List getReportGroups() throws ProviderException
	{
		String fromClause =
			"from org.efs.openreports.objects.ReportGroup reportGroup order by reportGroup.name ";
		
		return query(fromClause);
	}

	public ReportGroup insertReportGroup(ReportGroup reportGroup)
		throws ProviderException
	{
		return (ReportGroup) save(reportGroup);
	}

	public void updateReportGroup(ReportGroup reportGroup)
		throws ProviderException
	{
		update(reportGroup);
	}

	public void deleteReportGroup(ReportGroup reportGroup)
		throws ProviderException
	{
		try
		{
			delete(reportGroup);
		}
		catch (ConstraintException ce)
		{
			throw new ProviderException("Report Group must be removed from all users before deletion.");
		}
	}
}