<?php

/**
 * Creation:     17.02.2007  fabian
 * Last Update:  $Id$
 *
 * Copyright (c) 2007 Fabian Wolter <fabian@eisfair.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 */

abstract class Leaf extends Composite {
    /**
     * Leaf::add()
     *
     * @param Component $comp
     * @return
     **/
    public function add(Component $comp) {
        throw new Exception("Cannot add child to " . __CLASS__);
    }

    /**
     * Leaf::remove()
     *
     * @param Component $comp
     * @return
     **/
    public function remove(Component $comp) {
        throw new Exception("Cannot remove child from " . __CLASS__);
    }
}

?>