public void setUp() throws Exception {
pm = new SimplePrefixManager();
OBDADataFactory pfac = OBDADataFactoryImpl.getInstance();
OBDADataFactory tfac = OBDADataFactoryImpl.getInstance();
query = tfac.getDatalogProgram();
LinkedList<Term> innerterms = new LinkedList<Term>();
innerterms.add(tfac.getVariable("id"));
// IRIFactory fact = new IRIFactory();
List<Term> terms = new LinkedList<Term>();
terms.add(
tfac.getFunction(
pfac.getPredicate("http://obda.org/onto.owl#person-individual", 1), innerterms));
Function body =
tfac.getFunction(pfac.getClassPredicate("http://obda.org/onto.owl#Person"), terms);
terms = new LinkedList<Term>();
terms.add(tfac.getVariable("id"));
Function head = tfac.getFunction(pfac.getPredicate("http://obda.org/predicates#q", 1), terms);
rule1 = tfac.getCQIE(head, Collections.singletonList(body));
query.appendRule(rule1);
}
private void runWithSeparateFiles() {
if (owlFile == null) {
throw new NullPointerException("You have to specify an ontology file!");
}
OWLOntologyManager manager = OWLManager.createOWLOntologyManager();
OWLOntology ontology = null;
OBDADataFactory obdaDataFactory = OBDADataFactoryImpl.getInstance();
try {
ontology = manager.loadOntologyFromOntologyDocument((new File(owlFile)));
if (disableReasoning) {
/*
* when reasoning is disabled, we extract only the declaration assertions for the vocabulary
*/
ontology = extractDeclarations(manager, ontology);
}
Collection<Predicate> predicates = new ArrayList<>();
for (OWLClass owlClass : ontology.getClassesInSignature()) {
Predicate predicate = obdaDataFactory.getClassPredicate(owlClass.getIRI().toString());
predicates.add(predicate);
}
for (OWLDataProperty owlDataProperty : ontology.getDataPropertiesInSignature()) {
Predicate predicate =
obdaDataFactory.getDataPropertyPredicate(owlDataProperty.getIRI().toString());
predicates.add(predicate);
}
for (OWLObjectProperty owlObjectProperty : ontology.getObjectPropertiesInSignature()) {
Predicate predicate =
obdaDataFactory.getObjectPropertyPredicate(owlObjectProperty.getIRI().toString());
predicates.add(predicate);
}
OBDAModel obdaModel = loadMappingFile(mappingFile);
Ontology inputOntology = OWLAPI3TranslatorUtility.translate(ontology);
obdaModel.declareAll(inputOntology.getVocabulary());
int numPredicates = predicates.size();
int i = 1;
for (Predicate predicate : predicates) {
System.err.println(String.format("Materializing %s (%d/%d)", predicate, i, numPredicates));
serializePredicate(ontology, inputOntology, obdaModel, predicate, outputFile, format);
i++;
}
} catch (OWLOntologyCreationException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
}
private static Predicate getPredicate(OWLEntity entity) {
Predicate p = null;
if (entity instanceof OWLClass) {
/* We ignore TOP and BOTTOM (Thing and Nothing) */
if (((OWLClass) entity).isOWLThing() || ((OWLClass) entity).isOWLNothing()) {
return null;
}
String uri = entity.getIRI().toString();
p = dfac.getClassPredicate(uri);
} else if (entity instanceof OWLObjectProperty) {
String uri = entity.getIRI().toString();
p = dfac.getObjectPropertyPredicate(uri);
} else if (entity instanceof OWLDataProperty) {
String uri = entity.getIRI().toString();
p = dfac.getDataPropertyPredicate(uri);
}
return p;
}
