On 25/03/2019 3:15 pm, Rob Atkinson wrote:
I get an error when trying to use the AddGraph sparqlmotion module.
java.lang.IllegalArgumentException: Cannot find module type for
http://my.org#AddGraph_1 (instance of
http://topbraid.org/sparqlmotionlib#AddGraph)
there is only one thing i am doing in setup which is set the graph
uri, with a xsd:string as it asks for.
Thanks for the report. This module had been removed a while ago yet its
documentation and declaration was still floating around, as a ghost. I
have completely removed it for 6.2. It's equivalent to using
sml:PerformUpdate with something like
INSERT {
GRAPH ?uri {
?s ?p ?o
}
}
WHERE {
?s ?p ?o .
}
what I want to do is insert some metadata into a related graph to
capture timing as i iterate through some processing, and this seemed
to be the only obvious way to update a graph within a loop without
replacing the current graph - since I cant just hang it off the side
because a loop body must have a single target node - so need to update
this with a new constructed graph then zap its contents before merging
back into the main processing stream.
So why exactly wouldn't sml:PerformUpdate just work? Maybe sml:Merge
helps as a dummy node to connect parallel execution streams in SM?
Also, is there a way to check a graph exists - i.e. create an output
file only if it doesnt already exist?
Use something like smf:hasFile("http://topbraid.org/teamwork";)
Thanks,
Holger
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