<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magento.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magento.com for more information.
 *
 * @category    Mage
 * @package     Mage_Sales
 * @copyright  Copyright (c) 2006-2015 X.commerce, Inc. (http://www.magento.com)
 * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */


/**
 * Quote addresses collection
 *
 * @category    Mage
 * @package     Mage_Sales
 * @author      Magento Core Team <core@magentocommerce.com>
 */
class Mage_Sales_Model_Resource_Quote_Address_Collection extends Mage_Core_Model_Resource_Db_Collection_Abstract
{
    /**
     * Event prefix
     *
     * @var string
     */
    protected $_eventPrefix    = 'sales_quote_address_collection';

    /**
     * Event object name
     *
     * @var string
     */
    protected $_eventObject    = 'quote_address_collection';

    /**
     * Resource initialization
     *
     */
    protected function _construct()
    {
        $this->_init('sales/quote_address');
    }

    /**
     * Setting filter on quote_id field but if quote_id is 0
     * we should exclude loading junk data from DB
     *
     * @param int $quoteId
     * @return Mage_Sales_Model_Resource_Quote_Address_Collection
     */
    public function setQuoteFilter($quoteId)
    {
        $this->addFieldToFilter('quote_id', $quoteId ? $quoteId : array('null' => 1));
        return $this;
    }

    /**
     * Redeclare after load method for dispatch event
     *
     * @return Mage_Sales_Model_Resource_Quote_Address_Collection
     */
    protected function _afterLoad()
    {
        parent::_afterLoad();

        Mage::dispatchEvent($this->_eventPrefix.'_load_after', array(
            $this->_eventObject => $this
        ));

        return $this;
    }
}

