framework/Web/UI/IPageStatePersister.php


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<?php
/**
 * TPage class file
 *
 * @author Qiang Xue <qiang.xue@gmail.com>
 * @link http://www.pradosoft.com/
 * @copyright Copyright &copy; 2005-2014 PradoSoft
 * @license http://www.pradosoft.com/license/
 * @package System.Web.UI
 */

/**
 * IPageStatePersister interface.
 *
 * IPageStatePersister interface is required for all page state persister
 * classes.
 *
 * @author Qiang Xue <qiang.xue@gmail.com>
 * @package System.Web.UI
 * @since 3.1
 */
interface IPageStatePersister
{
	/**
	 * @param TPage the page that this persister works for
	 */
	public function getPage();
	/**
	 * @param TPage the page that this persister works for
	 */
	public function setPage(TPage $page);
	/**
	 * Saves state to persistent storage.
	 * @param mixed state to be stored
	 */
	public function save($state);
	/**
	 * Loads page state from persistent storage
	 * @return mixed the restored state
	 */
	public function load();
}