Re: [Saxon-JS 2] Callback template param value

I went ahead and created a ticket: https://saxonica.plan.io/issues/4767

Set the priority to High :) That's what it is for us at least.

On Tue, Sep 29, 2020 at 3:05 PM Martynas Jusevičius
<[email protected]> wrote:
>
> Thanks, I can stop banging my head against the wall :)
>
> Should I open a ticket?
>
> Is there a workaround?
>
> On Tue, Sep 29, 2020 at 2:27 PM Michael Kay <[email protected]> wrote:
> >
> > I guess the value of the variable has changed between the xsl:schedule-action being evaluated, and the xsl:call-template being evaluated when the action completes, and we haven't been clear enough in the documentation (or indeed, in our own minds) about how that's supposed to work.
> >
> > Certainly it would be much better if we evaluated the with-param values at the time the action is scheduled, not at the time it completes, and we need to look into that.
> >
> > Thanks for pointing it out.
> >
> > Michael Kay
> > Saxonica
> >
> > On 29 Sep 2020, at 12:04, Martynas Jusevičius <[email protected]> wrote:
> >
> > Hi,
> >
> > I don't get how this happens -- why is the same param value passed to
> > the callback template when I would expect 3 different values?
> >
> > <xsl:template>
> >    ...
> >    <xsl:variable name="facet-bgps"
> > select="$select-xml//json:map[json:string[@key = 'type'] =
> > 'bgp']/json:array[@key =
> > 'triples']/json:map[not(starts-with(json:string[@key = 'predicate'],
> > '?'))][starts-with(json:string[@key = 'object'], '?')]"
> > as="element()*"/>
> >    <xsl:for-each select="$facet-bgps">
> >        <xsl:sort select="ac:property-label(json:string[@key = 'predicate'])"/>
> >        <xsl:variable name="bgp" select="." as="element()"/>
> >        ...
> >        <xsl:variable name="results-uri" select="..." as="xs:anyURI"/>
> >
> >        <xsl:message>
> >        PREDICATE: <xsl:value-of select="$bgp/json:string[@key = 'predicate']"/>
> >        </xsl:message>
> >
> >        <ixsl:schedule-action http-request="map{ 'method': 'GET',
> > 'href': $results-uri, 'headers': map{ 'Accept':
> > 'application/sparql-results+xml' } }">
> >            <xsl:call-template name="onFacetValueResultsLoad">
> >                <xsl:with-param name="container-id" select="$container-id"/>
> >                <xsl:with-param name="bgp" select="$bgp"/>
> >            </xsl:call-template>
> >        </ixsl:schedule-action>
> >    </xsl:for-each>
> > </xsl:template>
> >
> > <xsl:template name="onFacetValueResultsLoad">
> >    <xsl:context-item as="map(*)" use="required"/>
> >    <xsl:param name="container-id" as="xs:string"/>
> >    <xsl:param name="bgp" as="element()"/>
> >
> >    <xsl:message>
> >    PREDICATE IN CALLBACK: <xsl:value-of select="$bgp/json:string[@key
> > = 'predicate']"/>
> >    </xsl:message>
> >    ...
> >
> > This is the output I get:
> >
> > xsl:message:
> >            PREDICATE: http://purl.uniprot.org/core/organism
> > xsl:message:
> >            PREDICATE: http://purl.uniprot.org/core/encodedBy
> > xsl:message:
> >            PREDICATE: http://www.w3.org/2000/01/rdf-schema#label
> > xsl:message:
> > PREDICATE IN CALLBACK: http://www.w3.org/2000/01/rdf-schema#label
> > xsl:message:
> > PREDICATE IN CALLBACK: http://www.w3.org/2000/01/rdf-schema#label
> > xsl:message:
> > PREDICATE IN CALLBACK: http://www.w3.org/2000/01/rdf-schema#label
> >
> > 3 different values in the calling template, the same 1 value in the
> > callback template.
> > How is that possible?
> >
> >
> > Martynas
> >
> >
> > _______________________________________________
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> > [email protected]
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> >
> >
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