62 lines
1.6 KiB
PHP
62 lines
1.6 KiB
PHP
<?php
|
|
|
|
/*
|
|
* 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; under version 2
|
|
* of the License (non-upgradable).
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
* Copyright (c) 2013 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT);
|
|
*
|
|
*
|
|
*/
|
|
namespace oat\taoQtiItem\model\qti\expression;
|
|
|
|
use oat\taoQtiItem\model\qti\expression\Expression;
|
|
use oat\taoQtiItem\model\qti\response\Rule;
|
|
|
|
/**
|
|
* Short description of class oat\taoQtiItem\model\qti\expression\Expression
|
|
*
|
|
* @abstract
|
|
* @access public
|
|
* @author Joel Bout, <joel.bout@tudor.lu>
|
|
* @package taoQTI
|
|
|
|
*/
|
|
abstract class Expression implements Rule
|
|
{
|
|
// --- ASSOCIATIONS ---
|
|
// generateAssociationEnd :
|
|
|
|
// --- ATTRIBUTES ---
|
|
|
|
// --- OPERATIONS ---
|
|
|
|
/**
|
|
* Short description of method getRule
|
|
*
|
|
* @access public
|
|
* @author Joel Bout, <joel.bout@tudor.lu>
|
|
* @return string
|
|
*/
|
|
public function getRule()
|
|
{
|
|
$returnValue = (string) '';
|
|
|
|
|
|
|
|
|
|
return (string) $returnValue;
|
|
}
|
|
}
|