Examples with Property org.apache.jena.rdf.model.Property used on opensource projects

Example 21 with Property

use of org.apache.jena.rdf.model.Property in project jena by apache.

the class TestLangTurtle method optionalDotInBase.

@Test
public void optionalDotInBase() {
    Model model = ModelFactory.createDefaultModel();
    StringReader reader = new StringReader("@base <http://example/> <x> <p> <o> .");
    RDFDataMgr.read(model, reader, null, RDFLanguages.TURTLE);
    assertEquals(1, model.size());
    Resource r = model.createResource("http://example/x");
    Property p = model.createProperty("http://example/p");
    assertTrue(model.contains(r, p));
}

Example 22 with Property

use of org.apache.jena.rdf.model.Property in project jena by apache.

the class TestAPI method testExecJsonItems.

/**
 * Test that a JSON query returns an array with the correct data values, given a pre-populated
 * model.
 */
@Test
public void testExecJsonItems() {
    // JENA-632
    Model model = ModelFactory.createDefaultModel();
    {
        Resource r = model.createResource(AnonId.create("first"));
        Property p = model.getProperty("");
        RDFNode node = ResourceFactory.createTypedLiteral("123", XSDDatatype.XSDdecimal);
        model.add(r, p, node);
        r = model.createResource(AnonId.create("second"));
        p = model.getProperty("");
        node = ResourceFactory.createTypedLiteral("abc", XSDDatatype.XSDstring);
        model.add(r, p, node);
        r = model.createResource(AnonId.create("third"));
        p = model.getProperty("");
        node = ResourceFactory.createLangLiteral("def", "en");
        model.add(r, p, node);
    }
    Query query = QueryFactory.create("JSON { \"s\": ?s , \"p\": ?p , \"o\" : ?o } " + "WHERE { ?s ?p ?o }", Syntax.syntaxARQ);
    try (QueryExecution qexec = QueryExecutionFactory.create(query, model)) {
        Iterator<JsonObject> execJsonItems = qexec.execJsonItems();
        int size = 0;
        while (execJsonItems.hasNext()) {
            JsonObject next = execJsonItems.next();
            if (next.get("s").toString().contains("first")) {
                assertEquals(123, next.get("o").getAsNumber().value().intValue());
            } else if (next.get("s").toString().contains("second")) {
                assertEquals("abc", next.get("o").getAsString().value());
            } else if (next.get("s").toString().contains("third")) {
                assertEquals("def", next.get("o").getAsString().value());
            }
            size++;
        }
        assertEquals(3, size);
    }
}

Example 23 with Property

use of org.apache.jena.rdf.model.Property in project jena by apache.

the class TestModelPolymorphism method testPoly.

public void testPoly() {
    final Resource r = model.createResource("http://www.electric-hedgehog.net/a-o-s.html");
    Assert.assertFalse("the Resouce should not be null", r == null);
    Assert.assertTrue("the Resource can be a Property", r.canAs(Property.class));
    final Property p = r.as(Property.class);
    Assert.assertFalse("the Property should not be null", p == null);
    Assert.assertFalse("the Resource and Property should not be identical", r == p);
}

Example 24 with Property

use of org.apache.jena.rdf.model.Property in project jena by apache.

the class TestReasoners method testTransitiveEngineSeparation.

/**
 * Test that two transitive engines are independent.
 * See JENA-1260
 */
public void testTransitiveEngineSeparation() throws InterruptedException {
    String NS = "http://example.com/test#";
    Property sp = ResourceFactory.createProperty(NS, "sp");
    Property p = ResourceFactory.createProperty(NS, "p");
    Property s = ResourceFactory.createProperty(NS, "s");
    Resource q = ResourceFactory.createProperty(NS, "q");
    Reasoner reasoner = ReasonerRegistry.getTransitiveReasoner();
    InfModel simple = ModelFactory.createInfModel(reasoner, ModelFactory.createDefaultModel());
    simple.add(s, sp, p);
    assertFalse(simple.contains(s, RDFS.subPropertyOf, p));
    InfModel withSP = ModelFactory.createInfModel(reasoner, ModelFactory.createDefaultModel());
    withSP.add(sp, RDFS.subPropertyOf, RDFS.subPropertyOf);
    withSP.add(s, sp, p);
    assertTrue(withSP.contains(s, RDFS.subPropertyOf, p));
    simple.add(q, sp, p);
    assertFalse(simple.contains(q, RDFS.subPropertyOf, p));
}

Example 25 with Property

use of org.apache.jena.rdf.model.Property in project jena by apache.

the class ModelHelper method statement.

public static Statement statement(String fact) {
    StringTokenizer st = new StringTokenizer(fact);
    Resource sub = resource(st.nextToken());
    Property pred = property(st.nextToken());
    RDFNode obj = rdfNode(st.nextToken());
    return builderModel.createStatement(sub, pred, obj);
}