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peterjohnlawrence / com.inova8.odata2sparql.v4

Part of the overall odata2sparql solution, this odata2sparql.v4 module containing the olingo4 dependencies. In other words specifically for odata v4
http://inova8.com/bg_inova8.com/offerings/odata2sparql/
Apache License 2.0
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Add support for implicit rdf properties #161

Closed peterjohnlawrence closed 4 years ago

peterjohnlawrence commented 4 years ago

Support classes

Facts Terms ObjectPredicate

Support properties

facts predicate terms resource literal isObjectOf isPredicateOf subjects

These require that the defaults query generation be overwritten to handle these requests:

http://localhost:8080/odata2sparql/northwind/Customer('NWD~Customer-ALFKI')?$select=subjectId&$expand=rdf_facts($select=subjectId;$expand=rdf_property($select=subjectId,label),rdf_terms($select=rdf_literal;$expand=rdf_resource($select=subjectId,label)))&$format=json

http://localhost:8080/odata2sparql/tfl/rdfs_Resource('londontube~Acton_Main_Line')?$select=subjectId&$expand=rdf_facts($select=subjectId;$expand=rdf_property($select=subjectId,label),rdf_terms($select=rdf_literal;$expand=rdf_resource($select=subjectId,label)))&$format=json

http://localhost:8080/odata2sparql/northwind/Customer('NWD~Customer-ALFKI')?$select=subjectId&$expand=rdf_isObjectOf($select=rdf_isPropertyOf,rdf_subjects;$expand=rdf_isPropertyOf,rdf_subjects)&$format=json