/**
* Returns the number of related RdfNamespaces.
*
* @param Criteria $criteria
* @param boolean $distinct
* @param Connection $con
* @throws PropelException
*/
public function countRdfNamespaces($criteria = null, $distinct = false, $con = null)
{
// include the Peer class
include_once 'lib/model/om/BaseRdfNamespacePeer.php';
if ($criteria === null) {
$criteria = new Criteria();
} elseif ($criteria instanceof Criteria) {
$criteria = clone $criteria;
}
$criteria->add(RdfNamespacePeer::SCHEMA_ID, $this->getId());
return RdfNamespacePeer::doCount($criteria, $distinct, $con);
}