code: @SuppressWarnings("unchecked")
      public <T> T getAttribute(final Attribute _attribute)
          throws EFapsException
      {
          return (T) getAttribute(_attribute.getName());
      }
docs: Get the object returned by the given Attribute.
  
  @param <T> class the return value will be casted to
  @param _attribute the object is wanted for
  @return object for the select statement
  @throws EFapsException on error