1: <?php
 2: /**
 3:  * Magento
 4:  *
 5:  * NOTICE OF LICENSE
 6:  *
 7:  * This source file is subject to the Open Software License (OSL 3.0)
 8:  * that is bundled with this package in the file LICENSE.txt.
 9:  * It is also available through the world-wide-web at this URL:
10:  * http://opensource.org/licenses/osl-3.0.php
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@magentocommerce.com so we can send you a copy immediately.
14:  *
15:  * DISCLAIMER
16:  *
17:  * Do not edit or add to this file if you wish to upgrade Magento to newer
18:  * versions in the future. If you wish to customize Magento for your
19:  * needs please refer to http://www.magentocommerce.com for more information.
20:  *
21:  * @category    Mage
22:  * @package     Mage_Tax
23:  * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
24:  * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
25:  */
26: 
27: 
28: /**
29:  * Tax class resource
30:  *
31:  * @category    Mage
32:  * @package     Mage_Tax
33:  * @author      Magento Core Team <core@magentocommerce.com>
34:  */
35: class Mage_Tax_Model_Resource_Class extends Mage_Core_Model_Resource_Db_Abstract
36: {
37:     /**
38:      * Resource initialization
39:      *
40:      */
41:     public function _construct()
42:     {
43:         $this->_init('tax/tax_class', 'class_id');
44:     }
45: 
46:     /**
47:      * Initialize unique fields
48:      *
49:      * @return Mage_Tax_Model_Resource_Class
50:      */
51:     protected function _initUniqueFields()
52:     {
53:         $this->_uniqueFields = array(array(
54:             'field' => array('class_type', 'class_name'),
55:             'title' => Mage::helper('tax')->__('An error occurred while saving this tax class. A class with the same name'),
56:         ));
57:         return $this;
58:     }
59: }
60: