Hi Amit,

if you pass in the pre-bound variables as initialBindings, then the printed 
string will have the variables replaced, and you can use the string in non-Jena 
systems. If this does not work, I would need to see your source code.

Thanks
Holger


On Oct 18, 2011, at 5:32 PM, Amit Jain wrote:

> Hi 
> I am trying to do the same, getting a template stored in SPIN RDF format, get 
> the SPIN query object and then get the sparql query with the variables in the 
> template replaced with the runtime arguments. Now java source code attached 
> in this thread does allow using jena QueryExecution to run the ARQ query on a 
> model, this does not allow using other non-jena systems. Hence i want to be 
> able to get the actual Sparql query with the replaced arguments and use it. 
> Using the string builder and stringprintcontext gives me back the original 
> query with the variables only.
> thanks for the help
> -amit
> 
> On Wed, Jul 6, 2011 at 3:14 PM, Holger Knublauch <[email protected]> 
> wrote:
> Hi Laszlo,
> 
> for help and clarification why remote query executions don't support 
> pre-bindings, you may need to follow up with the Jena mailing list. However, 
> there is a solution with the SPIN API that allows you to pre-bind variables 
> at serialization time. The effect is that when you have a SPIN RDF object 
> (Query) you can set variables in the PrintContext and this will create a 
> query string where the variables have been replaced with the values. I am not 
> 100% sure that this covers all cases, but it might work in your scenarios. 
> Something like
> 
>               StringBuilder sb = new StringBuilder();
>               StringPrintContext c = new StringPrintContext(sb, 
> initialBindings);
>               query.print(c);
>               String arqString = sb.toString();
> 
> would give you a string that you can then convert to a remote Jena query.
> 
> Cheers,
> Holger

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