Examples with OntModel org.apache.jena.ontology.OntModel used on opensource projects

Example 6 with OntModel

use of org.apache.jena.ontology.OntModel in project jena by apache.

the class JenaOSGITest method testJenaCore.

@Test
public void testJenaCore() throws Exception {
    Model model = makeModel();
    Writer writer = new StringWriter();
    model.write(writer, "N-Triples");
    assertEquals("<http://example.com/alice> <http://xmlns.com/foaf/0.1/knows> <http://example.com/bob> .", writer.toString().trim());
    OntModel ontModel = ModelFactory.createOntologyModel(OntModelSpec.OWL_DL_MEM_RULE_INF);
    ObjectProperty knowsObjProp = ontModel.createObjectProperty(knows.getURI());
    ObjectProperty hasFriend = ontModel.createObjectProperty("http://example.com/has_friend");
    hasFriend.addSuperProperty(knowsObjProp);
    Individual aliceIndividual = ontModel.createIndividual(alice);
    Individual bobIndividiual = ontModel.createIndividual(bob);
    ontModel.add(aliceIndividual, hasFriend, bobIndividiual);
    assertTrue(aliceIndividual.hasProperty(knowsObjProp, bobIndividiual));
}

Example 7 with OntModel

use of org.apache.jena.ontology.OntModel in project ORCID-Source by ORCID.

the class RDFMessageBodyWriter method getOntModel.

protected OntModel getOntModel() {
    OntModel ontModel = ModelFactory.createOntologyModel();
    ontModel.setNsPrefix("foaf", FOAF.NS);
    ontModel.setNsPrefix("prov", PROV.NS);
    ontModel.setNsPrefix("pav", PAV.NS);
    ontModel.setNsPrefix("gn", Geonames.NS);
    // ontModel.getDocumentManager().loadImports(foaf.getOntModel());
    return ontModel;
}

Example 8 with OntModel

use of org.apache.jena.ontology.OntModel in project ORCID-Source by ORCID.

the class RDFMessageBodyWriter method getCountries.

protected OntModel getCountries() {
    if (countries != null) {
        // Check for a static cache
        return countries;
    }
    // Load list of countries
    InputStream countriesStream = getClass().getResourceAsStream(COUNTRIES_TTL);
    if (countriesStream == null) {
        throw new IllegalStateException("Can't find country resource on classpath: " + COUNTRIES_TTL);
    }
    OntModel ontModel = ModelFactory.createOntologyModel();
    ontModel.read(countriesStream, "http://example.com/", "TURTLE");
    // Note: We should not need to synchronize(this) to cache, 
    // as the odd concurrent duplicate load is not harmful
    // and can be thrown away
    countries = ontModel;
    return countries;
}

Example 9 with OntModel

use of org.apache.jena.ontology.OntModel in project jena by apache.

the class TDB method sync.

/** Sync a TDB-backed Model. Do nothing if not TDB-backed. */
public static void sync(Model model) {
    if (model instanceof OntModelImpl) {
        OntModelImpl ontModel = (OntModelImpl) model;
        sync(ontModel.getBaseGraph());
        return;
    }
    // This never happens (there is only one OntModel implementation)
    if (model instanceof OntModel) {
        OntModel ontModel = (OntModel) model;
        sync(ontModel.getBaseModel());
        return;
    }
    sync(model.getGraph());
}

Example 10 with OntModel

use of org.apache.jena.ontology.OntModel in project jena by apache.

the class TestOWLMisc method doTestSameAsDifferentFrom.

/**
     * Test sameAs/differentFrom interaction
     */
public void doTestSameAsDifferentFrom(OntModelSpec os) {
    String test = "[ a owl:AllDifferent ; owl:distinctMembers ( :limited1 :limited2 :limited3 ) ] .\n" + ":limited4 owl:sameAs :limited1 .";
    OntModel inf = ModelFactory.createOntologyModel(os, modelFromN3(test));
    Resource l4 = inf.getResource(NS + "limited4");
    Resource l2 = inf.getResource(NS + "limited2");
    Resource l3 = inf.getResource(NS + "limited3");
    assertTrue(inf.contains(l4, OWL.differentFrom, l2));
    assertTrue(inf.contains(l4, OWL.differentFrom, l3));
}