public void testIsReified() { ReifiedStatement rs = model.createReifiedStatement(aURI, SPO); Resource BS = model.createResource(anchor + "BS"); Property BP = model.createProperty(anchor + "BP"); RDFNode BO = model.createProperty(anchor + "BO"); model.add(rs, P, O); assertTrue("st should be reified now", SPO.isReified()); assertTrue("m should have st reified now", model.isReified(SPO)); assertFalse( "this new statement should not be reified", model.createStatement(BS, BP, BO).isReified()); }
/** * Gets NXRelations statement corresponding to the Jena statement. * * <p>Reified statements may be retrieved from the Jena graph and set as properties on NXRelations * statements. * * @param graph the jena graph * @param jenaStatement jena statement * @return NXRelations statement */ private Statement getNXRelationsStatement( Model graph, com.hp.hpl.jena.rdf.model.Statement jenaStatement) { Node subject = getNXRelationsNode(jenaStatement.getSubject().asNode()); Node predicate = getNXRelationsNode(jenaStatement.getPredicate().asNode()); Node object = getNXRelationsNode(jenaStatement.getObject().asNode()); Statement statement = new StatementImpl(subject, predicate, object); // take care of properties if (graph.isReified(jenaStatement)) { com.hp.hpl.jena.rdf.model.Resource reifiedStmt = graph.getAnyReifiedStatement(jenaStatement); StmtIterator it = reifiedStmt.listProperties(); while (it.hasNext()) { com.hp.hpl.jena.rdf.model.Statement stmt = it.nextStatement(); Node nuxNode = getNXRelationsNode(stmt.getPredicate().asNode()); // ugly cast as a Resource Node value = getNXRelationsNode(stmt.getObject().asNode()); statement.addProperty((Resource) nuxNode, value); } } return statement; }