dao.PblogDeleteRecentVisitQuery.java Source code

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Here is the source code for dao.PblogDeleteRecentVisitQuery.java

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/**
* 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;

// Certified to be thread-safe 2/19/2005

/**
 * This class implements PblogDeleteRecentVisitQuery
 * This query is used by <code>Blog</code> bean
 * @author Smitha Gudur (smitha@redbasin.com)
 * @version $Revision: 1.1 $
 */
class PblogDeleteRecentVisitQuery {

    protected final Log logger = LogFactory.getLog(getClass());

    /**
     * This method is executed by PblogMessageDao
     * This method deletes row(s) on low_priority basis from pblogrecentvisits table
     * @param conn  - the connection
     * @throws BaseDaoException
     **/
    public void run(Connection conn, int numRows) throws BaseDaoException {

        String stmt = "delete low_priority from pblogrecentvisits ORDER BY entrydate limit " + numRows + "";
        try {
            PreparedStatement query = null;
            query = conn.prepareStatement(stmt);
            query.executeUpdate();
        } catch (Exception e) {
            throw new BaseDaoException("Error occured while executing pblogtopics addquery, stmt = " + stmt, e);
        }
    }
}