[jira] [Created] (JENA-1030) Rule.toString() prevents roundtripping rules between objects and strings

["Martynas Jusevičius (JIRA)" <ji...@apache.org>]

Martynas Jusevičius created JENA-1030:
-----------------------------------------

             Summary: Rule.toString() prevents roundtripping rules between objects and strings
                 Key: JENA-1030
                 URL: https://issues.apache.org/jira/browse/JENA-1030
             Project: Apache Jena
          Issue Type: Bug
          Components: Reasoners
    Affects Versions: Jena 2.11.0
            Reporter: Martynas Jusevičius
            Priority: Minor


I have a {{List<Rule>}} created using {{Rule.parseRules}} from a string:

{{[inheritance: (?template rdf:type <http://graphity.org/gp#Template>),
(?template ?p ?o), (?p rdf:type owl:AnnotationProperty), (?p
rdfs:isDefinedBy <http://graphity.org/gp#>), (?subClass
rdfs:subClassOf ?template), noValue(?subClass ?p) -> (?subClass ?p ?o)
]}}

When the list is serialized using {{toString()}}, I get

{{[[ inheritance: (?template rdf:type http://graphity.org/gp#Template)
(?template ?p ?o) (?p rdf:type owl:AnnotationProperty) (?p
rdfs:isDefinedBy http://graphity.org/gp#) (?subClass rdfs:subClassOf
?template) noValue(?subClass ?p) -> (?subClass ?p ?o) ]]}}

Notice the missing {{< >}} brackets on URIs. Reparsing the string gives an
exception:

{{com.hp.hpl.jena.reasoner.rulesys.Rule$ParserException: Malformed rule
At 'http://graphity.org/gp# ) ( ?subClass rdfs:subClassOf ?template )
noValue ( ?subClass ?p ) -> ( ?subClass ?p ?o ) ] ] '}}



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