1: <?php
 2: /**
 3:  * Zend Framework
 4:  *
 5:  * LICENSE
 6:  *
 7:  * This source file is subject to the new BSD license that is bundled
 8:  * with this package in the file LICENSE.txt.
 9:  * It is also available through the world-wide-web at this URL:
10:  * http://framework.zend.com/license/new-bsd
11:  * If you did not receive a copy of the license and are unable to
12:  * obtain it through the world-wide-web, please send an email
13:  * to license@zend.com so we can send you a copy immediately.
14:  *
15:  * @category   Zend
16:  * @package    Zend_Db
17:  * @subpackage Adapter
18:  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
19:  * @license    http://framework.zend.com/license/new-bsd     New BSD License
20:  * @version    $Id: Exception.php 20096 2010-01-06 02:05:09Z bkarwin $
21:  */
22: 
23: /**
24:  * Zend_Db_Exception
25:  */
26: require_once 'Zend/Db/Exception.php';
27: 
28: /**
29:  * @category   Zend
30:  * @package    Zend_Db
31:  * @subpackage Adapter
32:  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
33:  * @license    http://framework.zend.com/license/new-bsd     New BSD License
34:  */
35: class Zend_Db_Adapter_Exception extends Zend_Db_Exception
36: {
37:     protected $_chainedException = null;
38: 
39:     public function __construct($message = '', $code = 0, Exception $e = null)
40:     {
41:         if ($e && (0 === $code)) {
42:             $code = $e->getCode();
43:         }
44:         parent::__construct($message, $code, $e);
45:     }
46: 
47:     public function hasChainedException()
48:     {
49:         return ($this->_previous !== null);
50:     }
51: 
52:     public function getChainedException()
53:     {
54:         return $this->getPrevious();
55:     }
56: 
57: }
58: