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;
}
