/*
 * Copyright (C) 2003-2004 Red Hat Inc. All Rights Reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 */
package com.arsdigita.persistence;

import com.arsdigita.util.jdbc.Connections;
import java.sql.Connection;

/**
 * DedicatedConnectionSource
 *
 * @author Rafael H. Schloming &lt;rhs@mit.edu&gt;
 * @version $Revision: #5 $ $Date: 2004/08/16 $
 **/

public class DedicatedConnectionSource implements ConnectionSource {

    public final static String versionId = "$Id: DedicatedConnectionSource.java 813 2005-09-15 08:50:20Z sskracic $ by $Author: sskracic $, $DateTime: 2004/08/16 18:10:38 $";

    private String m_url;
    private ThreadLocal m_connections = new ThreadLocal() {
        public Object initialValue() {
            return Connections.acquire(m_url);
        }
    };

    public DedicatedConnectionSource(String url) {
        m_url = url;
    }

    public Connection acquire() {
        return (Connection) m_connections.get();
    }

    public Connection acquire(Connection preferred) {
        return acquire();
    }

    public void release(Connection conn) {
        // do nothing
    }

}
