perfsonar development work

[Loukik Kudarimoti <>]

Jason Zurawski wrote:
> Loukik;
>
> > Parameter =
> >          element nmwg:parameter {
> >          attribute name { xsd:string } &
> >                 (
> >                         attribute value { xsd:string } |
> >                       text
> >                  )
> >        }
> >
> >
> > I used the same section in a rnc that I was writing up. While 
> > converting to xsd, trang gave me a warning:
> >
> > /home/loukik/perfSONAR/rnc/rrdma-metadataKeyRequest.rnc:119:56: 
> > warning: choice between attributes and children cannot be 
> > represented; approximating
> >
> > So, I was wondering what this warning was all about and what its 
> > implications are. Do you know?
>
> Yes, this is a common warning.  Basically it means that the 
> interpreter can't decide what is best to do when it comes to a choice 
> between having an attribute or a value:
>
> <parameter value="value" />  vs. <parameter>value</parameter>
>
> In the java handling code we follow the aproach of 'last seen', so for 
> example of someone did something like this:
>
> <parameter value="value" />value</parameter>
>
> We would just go with the text value.
Ok. Thanks!

Loukik.
> -jason