public Attribute getAttribute4Select(final String _selectStmt)
    {
        final OneSelect oneselect = this.selectStmt2OneSelect.get(_selectStmt);
        return oneselect == null ? null : oneselect.getAttribute();
    }
public Attribute getAttribute4Select ( final String _selectStmt ) { final OneSelect oneselect = this . selectStmt2OneSelect . get ( _selectStmt ) ; return oneselect == null ? null : oneselect . getAttribute ( ) ; }
Method to get the Attribute used for an select.

@param _selectStmt selectstatement the attribute is wanted for
@return Attribute for the selectstatement