MysqlConnectionPoolDataSource.java
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上传日期:2022-07-20
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源码类别:
数据库编程
开发平台:
Java
- /*
- Copyright (C) 2002 MySQL AB
- 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; either version 2 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, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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>
- */
- public class MysqlConnectionPoolDataSource
- extends MysqlDataSource
- implements ConnectionPoolDataSource {
- //~ Methods ...............................................................
- /**
- * Returns a pooled connection.
- *
- * @exception SQLException if an error occurs
- * @return a PooledConnection
- */
- public synchronized PooledConnection getPooledConnection()
- throws SQLException {
- Connection connection = getConnection();
- MysqlPooledConnection mysqlPooledConnection = new MysqlPooledConnection(
- 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
- */
- public synchronized PooledConnection getPooledConnection(String s,
- String s1)
- throws SQLException {
- Connection connection = getConnection(s, s1);
- MysqlPooledConnection mysqlPooledConnection = new MysqlPooledConnection(
- connection);
- return mysqlPooledConnection;
- }
- }