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https://issues.apache.org/jira/browse/JENA-195?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13189368#comment-13189368
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Paolo Castagna commented on JENA-195:
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> So I'm unclear what the design policy is in this area and think it might get
> confusing.
Ack.
I see three options:
1/ no checks
2/ we check and throws an exception if the "query" parameter is present
3/ we check and throws an exception if any of the parameters used by the SPARQL
protocol is present
Probably, 2/ is the best thing to do.
If that seems reasonable, I'll do that and make sure the two ways behave the
same.
Indeed, now that I tried both ways, perhaps the solution via context is not as
easy to use and it should be removed.
> Allow users to specify query parameters when they use SERVICE
> <...?name=value> in their SPARQL queries
> ------------------------------------------------------------------------------------------------------
>
> Key: JENA-195
> URL: https://issues.apache.org/jira/browse/JENA-195
> Project: Jena
> Issue Type: Improvement
> Components: ARQ
> Reporter: Paolo Castagna
> Assignee: Paolo Castagna
> Priority: Minor
> Attachments: JENA-195.patch, JENA-195.patch, JENA-195.patch
>
> Original Estimate: 8h
> Remaining Estimate: 8h
>
> SPARQL endpoints might require or allow additional query parameters, if we
> want to use those endpoints with SERVICE <...> in SPARQL queries we must
> support query parameters and allow users to use SERVICE <...?name=value> in
> their SPARQL queries.
> Service.java can look in the Context for additional parameters.
> Parameters need to be kept separate and grouped on a per SERVICE endpoint
> basis (in order to avoid exposing parameter values to wrong places).
> A Map<String, Map<String,List<String>>> can be uses to map SERVICE endpoint
> URLs to parameter-->values.
> OpService.java probably needs to change (to keep the parameters separate from
> the SERVICE endpoint URL).
> See also this thread on jena-users:
> http://markmail.org/thread/wc5hvr3b3uzy2mrk
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