public void addPrimaryKey(ArrayList<String> keys)
  {
    if (_key != null) {
      throw new RuntimeException(L.l("primary key is already defined {0}",
                                     keys));
    }
    
    _key = new ArrayList<>(keys);
  }
public void addPrimaryKey ( ArrayList < String > keys ) { if ( _key != null ) { throw new RuntimeException ( L . l ( "primary key is already defined {0}" , keys ) ) ; } _key = new ArrayList < > ( keys ) ; }
@param parseColumnNames