Source for file ActionSource.abstract.php

<?php
 
/**
 * An abstract class for all ActionSource classes. ActionSource classes give the {@link ActionHandler} places to look for
 * modules and actions for execution.
 *
 * @package harmoni.actions
 * 
 * @copyright Copyright &copy; 2005, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: ActionSource.abstract.php,v 1.5 2007/09/04 20:25:29 adamfranco Exp $
 *
 * @abstract
 */
class ActionSource {
    
    /**
     * Checks to see if a given modules/action pair exists for execution within this source.
     * @param string $module 
     * @param string $action 
     * @access public
     * @return boolean 
     */
    function actionExists($module, $action)
    {
        return false;
    }
    
    /**
     * Executes the specified action in the specified module, using the Harmoni object as a base.
     * @param string $module The module in which to execute.
     * @param string $action The specific action to execute.
     * @param ref object $harmoni A reference to a {@link Harmoni} object.
     * @access public
     * @return ref mixed A {@link Layout} or TRUE/FALSE
     */
    function executeAction($module, $action, $harmoni)
    {
        
    }
    
}