void addFKNameToClearSelf(String foreignKeyName){
  List<String> list=getListToClearSelfFK();
  if (!list.contains(foreignKeyName)) {
    list.add(foreignKeyName);
  }
}

void addFKNameToClearSelf ( String foreignKeyName ) { List < String > list = getListToClearSelfFK ( ) ; if ( ! list . contains ( foreignKeyName ) ) { list . add ( foreignKeyName ) ; } }
add a foreign key name into the clear list .
