public static function hasChangeLog($object, $con = null)
 {
     $criteria = new Criteria();
     $criteria->add(ncChangeLogEntryPeer::CLASS_NAME, get_class($object));
     $criteria->add(ncChangeLogEntryPeer::OBJECT_PK, $object->getPrimaryKey());
     return ncChangeLogEntryPeer::doCount($criteria, true, $con) > 0;
 }