<?php
/*
	+-----------------------------------------------------------------------------+
	| ILIAS open source                                                           |
	+-----------------------------------------------------------------------------+
	| Copyright (c) 1998-2001 ILIAS open source, University of Cologne            |
	|                                                                             |
	| 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.                      |
	|                                                                             |
	| 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
	+-----------------------------------------------------------------------------+
*/

/**
* Class ilMetaTechnicalRequirementSet
*
* Handles a set of technical requirement
*
* @author Alex Killing <alex.killing@gmx.de>
* @version $Id: class.ilMetaTechnicalRequirementSet.php,v 1.3 2003/07/04 07:42:01 akill Exp $
*
* @package application
*/
class ilMetaTechnicalRequirementSet
{
	var $requirements;

	/**
	* Constructor
	* @access	public
	*/
	function ilMetaTechnicalRequirementSet()
	{
	}

	// TODO DB storing

	/**
	* add a requirement
	*
	* @param	object $a_requirement	requirement object of class ilMetaTechnicalRequirement
	*/
	function addRequirement(&$a_requirement)
	{
		$this->requirements[] =& $a_requirement;
	}

	/**
	* get all requirements of the set
	*
	* @return	array	arrray of requirements objects (class ilMetaTechnicalRequirement)
	*/
	function &getRequirements()
	{
		return $this->requirements;
	}

	function getXML()
	{
		$xml = "<OrComposite>";
		foreach($this->requirements as $req)
		{
			$xml.= $req->getXML();
		}
		$xml.= "</OrComposite>";
	}

}
?>
