@Override public Enumeration<String> enumerateMeasures(){
  Vector<String> newVector=new Vector<String>(1);
  newVector.add("measureNumRules");
  return newVector.elements();
}

@ Override public Enumeration < String > enumerateMeasures ( ) { Vector < String > newVector = new Vector < String > ( 1 ) ; newVector . add ( "measureNumRules" ) ; return newVector . elements ( ) ; }
returns an enumeration of the additional measure names
