I'm working with spin constraints (spin 1.4.0 via Maven). I have them
firing but I'm confused about how to label them so I can see which
constraint has failed. The full code (and data) is
at https://github.com/jameshowison/softcite (may be some local paths in
there, sorry!) and I run the constraints via mvn
-Dtest=AppTest#testSPINConstraints test
I'm using the output code from the Kennedy's example, edited to use
getCustomizedLabel rather than getLabel (although using just getLabel
doesn't work as I'd expect either):
for(ConstraintViolation cv : cvs) {
System.out.println(" - at " +
SPINLabels.get().getCustomizedLabel(cv.getRoot()) + ": " + cv.getMessage());
I've tried to follow the code through cv.getMessage() but I got lost in
abstract interfaces somewhere :)
This is the constraint:
bioj:SoftwareMention a rdfs:Class ;
spin:constraint
[ a spl:Attribute ;
rdfs:comment "Must have one and exactly one classification
"^^xsd:string ;
spl:predicate citec:mention_category ;
spl:minCount 1 ;
spl:maxCount 1 ;
# spl:valueType citec:MentionClassification ;
# spl:defaultValue ex:Red
] ;
.
Originally I was working with 1.3.1 and I was getting the Resource ID but
no message:
- at citec:a2007-36-BMC_PLANT_BIOL-B03-mention:
Now I've upgraded to 1.4.0 and I'm getting a generic message (progress!):
- at citec:a2007-36-BMC_PLANT_BIOL-B03-mention: Attribute
citec:mention_category : [1,1]
But how would I output the rdfs:comment from the constraint?
As a secondary, but likely related question, I have this constraint:
bioj:ArticleSoftwareLink a rdfs:Class ;
spin:constraint
[ a sp:Ask ;
sp:text """
# Can only find versions if they exist
ASK WHERE {
?this a bioj:ArticleSoftwareLink ;
citec:has_version_indicator false ;
citec:version_is_findable true .
}"""
] ;
.
That outputs the generic:
- at bioj:a2003-44-BBA-GEN_SUBJECTS-SWISS-MODEL: SPIN constraint at
bioj:ArticleSoftwareLink
But I'd like it to output the comment in the query ( # Can only find
versions if they exist ), I understand that the sp:text gets parsed and
that should end up as an rdfs:comment property on the constraint, not sure
if that's actually right.
In any case (and perhaps more confusingly) I'd tried having the comment as
rdfs:comment or rdfs:label for the constraint, but having either of those
there produces a NullPointerException:
java.lang.NullPointerException
at org.topbraid.spin.util.JenaUtil.getStringProperty(JenaUtil.java:617)
at
org.topbraid.spin.system.SPINLabels.getCustomizedLabel(SPINLabels.java:57)
at
edu.utexas.ischool.jhowison.TTLRepository.runSPINconstraints(TTLRepository.java:523)
Any ideas?
Thanks,
James
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