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Posted to jira@jena.apache.org by "Andy Seaborne (Jira)" <ji...@apache.org> on 2022/08/14 10:53:00 UTC
[jira] [Commented] (JENA-2345) DatatypeConstraint could produce missleading message
[ https://issues.apache.org/jira/browse/JENA-2345?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17579361#comment-17579361 ]
Andy Seaborne commented on JENA-2345:
-------------------------------------
Hi [~jak_ub] – thank you for the report and patch. I used the patch and changed the violation message to be expected/action and value seen.
[Pull request 1479|https://github.com/apache/jena/pull/1479].
> DatatypeConstraint could produce missleading message
> ----------------------------------------------------
>
> Key: JENA-2345
> URL: https://issues.apache.org/jira/browse/JENA-2345
> Project: Apache Jena
> Issue Type: Bug
> Components: SHACL, ShEx
> Affects Versions: Jena 4.5.0
> Reporter: Jakub Wach
> Priority: Minor
> Attachments: DatatypeConstraint.patch
>
>
> Description:
> * SHACL implementation class DatatypeConstraint could return misleading message when datatype of the literal node does violates the shape. e.g:
> ** `{color:#6a8759}Got datatype xs:int : Node {color}{color:#cc7832}\"{color}{color:#6a8759}strValue2{color}{color:#cc7832}\"{color}`
> ** Current implementation does either quote expected datatype or actual datatype of the node. It all depends on prefix mapping!
> * Shape/constraint: https://www.w3.org/TR/shacl/#DatatypeConstraintComponent
> Possible solutions:
> * Always use expected data type:
> ** Possible messages:
> *** {color:#6a8759}`Expected datatype xs:int : Node {color}{color:#cc7832}\"{color}{color:#6a8759}strValue2{color}{color:#cc7832}\"{color}`,
> *** {color:#6a8759}`Expected datatype <http://......./....> : Node {color}{color:#cc7832}\"{color}{color:#6a8759}strValue2{color}{color:#cc7832}\"{color}`
> ** Keeps possibility to use prefix
> ** Somewhat consistent with ClassConstraint
> ** Possible patch in attachments (not tested!).
> * Alternatively message could be similar to SHEX equivalent.
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