<?php
/*
**************************************************************************************************************************
** CORAL Management Module v. 1.0
**
** Copyright (c) 2010 University of Notre Dame
**
** This file is part of CORAL.
**
** CORAL 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 3 of the License, or (at your option) any later version.
**
** CORAL 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 CORAL.  If not, see <http://www.gnu.org/licenses/>.
**
**************************************************************************************************************************
*/


class Qualifier extends DatabaseObject {

	protected function defineRelationships() {}

	protected function overridePrimaryKeyName() {}



	//returns number of children for this particular expression type
	public function getNumberOfChildren(){

		$query = "SELECT count(*) childCount FROM ExpressionQualifierProfile WHERE qualifierID = '" . $this->qualifierID . "'
				AND expressionID IN
				(SELECT E.expressionID
				FROM Expression E, Document D, License L
				WHERE E.documentID = D.documentID
				AND D.licenseID = L.licenseID)
				;";

		$result = $this->db->processQuery($query, 'assoc');

		return $result['childCount'];

	}


}

?>
