<?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@magentocommerce.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.magentocommerce.com for more information.
 *
 * @category    Mage
 * @package     Mage_Backup
 * @copyright   Copyright (c) 2010 Magento Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

/**
 * Filesystem rollback workers abstract class
 *
 * @category    Mage
 * @package     Mage_Backup
 * @author      Magento Core Team <core@magentocommerce.com>
 */
abstract class Mage_Backup_Filesystem_Rollback_Abstract
{
    /**
     * Snapshot object
     *
     * @var Mage_Backup_Filesystem
     */
    protected $_snapshot;

    /**
     * Default worker constructor
     *
     * @param Mage_Backup_Filesystem $snapshotObject
     */
    public function __construct(Mage_Backup_Filesystem $snapshotObject)
    {
        $this->_snapshot = $snapshotObject;
    }

    /**
     * Main worker's function that makes files rollback
     */
    abstract public function run();
}
