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RDF:Interfaces: Difference between revisions
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→rdfIDataSource: porting over old wiki content, edits of mine reducing the overall method count.
(porting over literals from my old wiki. This includes major edits that have happened in my head since.) |
(→rdfIDataSource: porting over old wiki content, edits of mine reducing the overall method count.) |
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*/ | */ | ||
void visitAllTriples(in rdfITripleVisitor aVisitor); | void visitAllTriples(in rdfITripleVisitor aVisitor); | ||
}; | |||
Methods not yet in the tree follow here. Note that rdfIDataSource contains only query methods. We may factor out modifications to rdfIDataTarget. Datasources are *not* named: untrusted script can implement a datasource, and we can't trust the name it gives. | |||
interface rdfIDataSource : nsISupports | |||
{ | |||
/** | |||
* Check if a triple exists. | |||
*/ | |||
boolean hasTriple(in rdfIResource aSubject, | |||
in rdfIResource aPredicate, | |||
in rdfIResource aObject, | |||
in bool aTruthValue); | |||
/** | |||
* Get all the objects from a particular subject->predicate arc. | |||
* The order is indeterminate and may change from one invocation to the | |||
* next. | |||
*/ | |||
void getObjects(in rdfIResource aSubject, | |||
in rdfIResource aPredicate, | |||
in rdfITripleVisitor aVisitor); | |||
/** | |||
* Get all the subjects from a particular predicate->object arc. | |||
* The order is indeterminate and may change from one invocation to the | |||
* next. | |||
*/ | |||
void getSubjects(in rdfIResource aPredicate, | |||
in rdfIResource aObject, | |||
in rdfITripleVisitor aVisitor); | |||
}; | }; | ||