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MysqlConnectionPoolDataSource.java

/*
 Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
 

  The MySQL Connector/J is licensed under the terms of the GPLv2
  <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most MySQL Connectors.
  There are special exceptions to the terms and conditions of the GPLv2 as it is applied to
  this software, see the FLOSS License Exception
  <http://www.mysql.com/about/legal/licensing/foss-exception.html>.

  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; version 2
  of the License.

  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., 51 Franklin St, Fifth
  Floor, Boston, MA 02110-1301  USA



 */
package com.mysql.jdbc.jdbc2.optional;

import java.sql.Connection;
import java.sql.SQLException;

import javax.sql.ConnectionPoolDataSource;
import javax.sql.PooledConnection;

/**
 * This class is used to obtain a physical connection and instantiate and return
 * a MysqlPooledConnection. J2EE application servers map client calls to
 * dataSource.getConnection to this class based upon mapping set within
 * deployment descriptor. This class extends MysqlDataSource.
 * 
 * @see javax.sql.PooledConnection
 * @see javax.sql.ConnectionPoolDataSource
 * @see org.gjt.mm.mysql.MysqlDataSource
 * @author Todd Wolff <todd.wolff_at_prodigy.net>
 */
00045 public class MysqlConnectionPoolDataSource extends MysqlDataSource implements
            ConnectionPoolDataSource {
      // ~ Methods
      // ----------------------------------------------------------------

      /**
       * Returns a pooled connection.
       * 
       * @exception SQLException
       *                if an error occurs
       * @return a PooledConnection
       */
00057       public synchronized PooledConnection getPooledConnection()
                  throws SQLException {
            Connection connection = getConnection();
            MysqlPooledConnection mysqlPooledConnection = MysqlPooledConnection.getInstance(
                        (com.mysql.jdbc.Connection)connection);

            return mysqlPooledConnection;
      }

      /**
       * This method is invoked by the container. Obtains physical connection
       * using mySql.Driver class and returns a mysqlPooledConnection object.
       * 
       * @param s
       *            user name
       * @param s1
       *            password
       * @exception SQLException
       *                if an error occurs
       * @return a PooledConnection
       */
00078       public synchronized PooledConnection getPooledConnection(String s, String s1)
                  throws SQLException {
            Connection connection = getConnection(s, s1);
            MysqlPooledConnection mysqlPooledConnection = MysqlPooledConnection.getInstance(
                        (com.mysql.jdbc.Connection)connection);

            return mysqlPooledConnection;
      }
}

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