Java tutorial
/** * Copyright (c) 2001-2012 "Redbasin Networks, INC" [http://redbasin.org] * * This file is part of Redbasin OpenDocShare community project. * * Redbasin OpenDocShare 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 3 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, see <http://www.gnu.org/licenses/>. */ package dao; import java.sql.Connection; import java.sql.PreparedStatement; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; /** * This class implements DeleteColMessageAttrPerTidQuery * Used by <code>ColMessage</code> bean * @author Smitha Gudur (smitha@redbasin.com) * @version $Revision: 1.1 $ */ class DeleteColMessageAttrPerTidQuery { protected final Log logger = LogFactory.getLog(getClass()); /** * Deletes all collabrum message belonging to tid * @param conn the connection * @param tidStr the tid * @param isAdmin - true if the user is a DiaryAdmin or a Moderator for this collabrum * @exception BaseDaoException */ public void run(Connection conn, String tidStr) throws BaseDaoException { //Integer tid = new Integer(tidStr); try { PreparedStatement stmt = conn.prepareStatement("delete from collmsgattr where tid=" + tidStr + ""); stmt.executeUpdate(); } catch (Exception e) { logger.warn("Error occured while executing db query ", e); throw new BaseDaoException("Error occured while executing db query ", e); } } }