code: protected Attribute attribute(final Select _select)
          throws EFapsException
      {
          Attribute ret = null;
          final AbstractElement<?> element = _select.getElements().get(_select.getElements().size() - 1);
          if (element instanceof AttributeElement) {
              ret = ((AttributeElement) element).getAttribute();
          }
          return ret;
      }
docs: Attribute.
  
  @param _select the select
  @return the attribute
  @throws EFapsException the e faps exception