Scott thanks for reply.
The JS file is in the same dir of the spin rule file in the TB workspace
(C:\Users\Pierluigi\TBCFreeWorkspace\MIVIA Tracking).
I'm testing the function with a simple query like this:
SELECT ?x
WHERE {
LET (?x := tracking:isSmallDiff (2,2,3)) .
}
I'm using Top Braid Composer Free Edition 4.5.0 on Windows 8.1.
Il giorno mercoledì 14 gennaio 2015 19:13:25 UTC+1, Pierluigi Ritrovato ha
scritto:
>
> I have defined a spin function that make some simple computation through a
> javascript snippet and works well.
> Now I moved the snipped code in a js file and it doesn't work!
>
> this is the spin function
>
> tracking:isSmallDiff a spin:Function ;
> rdfs:label "computes if difference is
> small"^^xsd:string ;
> rdfs:subClassOf spin:Functions ;
> spin:constraint [ a spl:Argument ;
> spl:predicate sp:arg3 ;
> spl:valueType xsd:integer
> ] ;
> spin:constraint [ a spl:Argument ;
> spl:predicate sp:arg2 ;
> spl:valueType xsd:integer
> ] ;
> spin:constraint [ a spl:Argument ;
> spl:predicate sp:arg1 ;
> spl:valueType xsd:integer
> ] ;
> spin:returnType xsd:integer ;
> spinx:javaScriptFile "isSmallDiff.js"^^xsd:string .
>
> the js code is:
>
> function isSmallDiff(arg1, arg2, arg3) {
> if (Math.abs(arg1-arg2) < arg3)
> return 1;
> else
> return 0;
> }
>
> I copied the JS file any pace in my file system!
>
> thank you very much in advance for any help.
>
> Pierluigi
>
> PS curiosity: the javascript code works only if I use arg1, arg2, ....
> arg5 as argument variables?
>
>
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