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 DirectoryDeleteAuthorQuery * This class is used to populate <code>Directory</code> bean * This class is used by DirectoryAuthorDao when it invokes deleteAuthor() * @author Smitha Gudur (smitha@redbasin.com) * @version $Revision: 1.1 $ */ class DirectoryDeleteAuthorQuery { protected final Log logger = LogFactory.getLog(getClass()); /** * This query deletes an author (only one) matching this directoryid and ownerid * @param conn the connection * @param did the directory id * @param ownerid the owner id * @exception BaseDaoException */ public void run(Connection conn, String did, String ownerid) throws BaseDaoException { try { PreparedStatement stmt = conn.prepareStatement("delete LOW_PRIORITY from diradmin where directoryid=" + did + " and ownerid=" + ownerid + " limit 1"); stmt.executeUpdate(); } catch (Exception e) { throw new BaseDaoException( "Error occured while executing delete from diradmin where directoryid=" + did, e); } } }