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

Example 51 with RDFNode

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

the class AbstractTestModel method testPresentAsRDFNode.

private void testPresentAsRDFNode(Node n, Class<? extends RDFNode> nodeClass) {
    RDFNode r = model.asRDFNode(n);
    assertSame(n, r.asNode());
    assertInstanceOf(nodeClass, r);
}

Example 52 with RDFNode

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

the class UpdateBuilderExampleTests method example10.

/**
 * Example 10:
 *
 * @see <a href=
 * "https://www.w3.org/TR/sparql11-update/#example_10">sparql11-update
 * example_10</a>
 */
@Test
public void example10() {
    Resource book1 = ResourceFactory.createResource("http://example/book1");
    Resource book3 = ResourceFactory.createResource("http://example/book3");
    Resource book4 = ResourceFactory.createResource("http://example/book4");
    Literal d1996 = ResourceFactory.createTypedLiteral("1996-01-01T00:00:00-02:00", XSDDatatype.XSDdateTime);
    Literal d2000 = ResourceFactory.createTypedLiteral("2000-01-01T00:00:00-02:00", XSDDatatype.XSDdateTime);
    Node graphName1 = NodeFactory.createURI("http://example/bookStore");
    Node graphName2 = NodeFactory.createURI("http://example/bookStore2");
    Model m1 = ModelFactory.createDefaultModel();
    m1.add(book1, DC_11.title, "Fundamentals of Compiler Design");
    m1.add(book1, DC_11.date, d1996);
    m1.add(book1, RDF.type, DCTypes.PhysicalObject);
    m1.add(book3, DC_11.title, "SPARQL 1.1 Tutorial");
    Model m2 = ModelFactory.createDefaultModel();
    m2.add(book4, DC_11.title, "SPARQL 1.1 Tutorial");
    Dataset ds = DatasetFactory.create();
    ds.addNamedModel(graphName1.getURI(), m1);
    ds.addNamedModel(graphName2.getURI(), m2);
    ExprFactory factory = new ExprFactory();
    SelectBuilder ins = new SelectBuilder().addGraph(graphName2, new SelectBuilder().addWhere("?book", "?p", "?v"));
    SelectBuilder whr = new SelectBuilder().addGraph(graphName1, new SelectBuilder().addWhere("?book", DC_11.date, "?date").addFilter(factory.lt("?date", d2000)).addWhere("?book", "?p", "?v"));
    UpdateBuilder builder = new UpdateBuilder().addPrefix("dc", DC_11.NS).addPrefix("xsd", XSD.NS).addInsert(ins).addWhere(whr);
    UpdateRequest req = builder.buildRequest();
    builder = new UpdateBuilder().with(graphName1).addDelete("?book", "?p", "?v").addWhere("?book", DC_11.date, "?date").addWhere("?book", RDF.type, DCTypes.PhysicalObject).addFilter(factory.lt("?date", d2000)).addWhere("?book", "?p", "?v");
    builder.appendTo(req);
    UpdateAction.execute(req, ds);
    m1 = ds.getNamedModel(graphName1.getURI());
    assertEquals(1, m1.listStatements().toList().size());
    assertTrue(m1.contains(book3, DC_11.title, "SPARQL 1.1 Tutorial"));
    m2 = ds.getNamedModel(graphName2.getURI());
    assertEquals(4, m2.listStatements().toList().size());
    assertEquals(3, m2.listStatements(book1, null, (RDFNode) null).toList().size());
    assertTrue(m2.contains(book1, DC_11.title, "Fundamentals of Compiler Design"));
    assertTrue(m2.contains(book1, DC_11.date, d1996));
    assertTrue(m2.contains(book1, RDF.type, DCTypes.PhysicalObject));
    assertEquals(1, m2.listStatements(book4, null, (RDFNode) null).toList().size());
    assertTrue(m2.contains(book4, DC_11.title, "SPARQL 1.1 Tutorial"));
}

Example 53 with RDFNode

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

the class UpdateBuilderExampleTests method example8.

/**
 * Example 8:
 *
 * @see <a href=
 * "https://www.w3.org/TR/sparql11-update/#example_8">sparql11-update
 * example_8</a>
 */
@Test
public void example8() {
    Resource book1 = ResourceFactory.createResource("http://example/book1");
    Resource book2 = ResourceFactory.createResource("http://example/book2");
    Resource book3 = ResourceFactory.createResource("http://example/book3");
    Resource book4 = ResourceFactory.createResource("http://example/book4");
    Literal d1977 = ResourceFactory.createTypedLiteral("1977-01-01T00:00:00-02:00", XSDDatatype.XSDdateTime);
    Literal d1970 = ResourceFactory.createTypedLiteral("1970-01-01T00:00:00-02:00", XSDDatatype.XSDdateTime);
    Literal d1948 = ResourceFactory.createTypedLiteral("1948-01-01T00:00:00-02:00", XSDDatatype.XSDdateTime);
    Property price = ResourceFactory.createProperty(NS_prefix + "price");
    Literal priceV = ResourceFactory.createPlainLiteral("42");
    Node graphName1 = NodeFactory.createURI("http://example/bookStore");
    Node graphName2 = NodeFactory.createURI("http://example/bookStore2");
    Model m1 = ModelFactory.createDefaultModel();
    m1.add(book1, DC_11.title, "Fundamentals of Compiler Design");
    m1.add(book1, DC_11.date, d1977);
    m1.add(book2, price, priceV);
    m1.add(book2, DC_11.title, "David Copperfield");
    m1.add(book2, DC_11.creator, "Edmund Wells");
    m1.add(book2, DC_11.date, d1948);
    m1.add(book3, DC_11.title, "SPARQL 1.1 Tutorial");
    Model m2 = ModelFactory.createDefaultModel();
    m2.add(book4, DC_11.title, "SPARQL 1.1 Tutorial");
    Dataset ds = DatasetFactory.create();
    ds.addNamedModel(graphName1.getURI(), m1);
    ds.addNamedModel(graphName2.getURI(), m2);
    ExprFactory factory = new ExprFactory();
    SelectBuilder ins = new SelectBuilder().addGraph(graphName2, new SelectBuilder().addWhere("?book", "?p", "?v"));
    SelectBuilder whr = new SelectBuilder().addGraph(graphName1, new SelectBuilder().addWhere("?book", DC_11.date, "?date").addFilter(factory.gt("?date", d1970)).addWhere("?book", "?p", "?v"));
    UpdateBuilder builder = new UpdateBuilder().addPrefix("dc", DC_11.NS).addPrefix("xsd", XSD.NS).addInsert(ins).addWhere(whr);
    UpdateAction.execute(builder.build(), ds);
    m1 = ds.getNamedModel(graphName1.getURI());
    assertEquals(7, m1.listStatements().toList().size());
    assertEquals(2, m1.listStatements(book1, null, (RDFNode) null).toList().size());
    assertTrue(m1.contains(book1, DC_11.title, "Fundamentals of Compiler Design"));
    assertTrue(m1.contains(book1, DC_11.date, d1977));
    assertEquals(4, m1.listStatements(book2, null, (RDFNode) null).toList().size());
    assertTrue(m1.contains(book2, price, priceV));
    assertTrue(m1.contains(book2, DC_11.title, "David Copperfield"));
    assertTrue(m1.contains(book2, DC_11.creator, "Edmund Wells"));
    assertTrue(m1.contains(book2, DC_11.date, d1948));
    assertEquals(1, m1.listStatements(book3, null, (RDFNode) null).toList().size());
    assertTrue(m1.contains(book3, DC_11.title, "SPARQL 1.1 Tutorial"));
    m2 = ds.getNamedModel(graphName2.getURI());
    assertEquals(3, m2.listStatements().toList().size());
    assertEquals(2, m2.listStatements(book1, null, (RDFNode) null).toList().size());
    assertTrue(m2.contains(book1, DC_11.title, "Fundamentals of Compiler Design"));
    assertTrue(m2.contains(book1, DC_11.date, d1977));
    assertEquals(1, m2.listStatements(book4, null, (RDFNode) null).toList().size());
    assertTrue(m2.contains(book4, DC_11.title, "SPARQL 1.1 Tutorial"));
}

Example 54 with RDFNode

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

the class TestSecurityFilterFuseki method query.

private Set<Node> query(String user, String password, String queryString) {
    Set<Node> results = new HashSet<>();
    try (RDFConnection conn = RDFConnection.connectPW(baseUrl, user, password)) {
        conn.queryResultSet(queryString, rs -> {
            List<QuerySolution> list = Iter.toList(rs);
            list.stream().map(qs -> qs.get("s")).filter(Objects::nonNull).map(RDFNode::asNode).forEach(n -> results.add(n));
        });
    }
    return results;
}

Example 55 with RDFNode

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

the class GeoSPARQLOperations method validateGeometryLiteral.

/**
 * Validate Geometry Literal in Model.
 *
 * @param model
 * @return Whether model is valid.
 */
public static final boolean validateGeometryLiteral(Model model) {
    // Get current state of index and switch it off temporarily.
    boolean isIndexActive = GeometryLiteralIndex.isIndexActive();
    GeometryLiteralIndex.setIndexActive(false);
    boolean isValid = true;
    NodeIterator nodeIt = model.listObjectsOfProperty(Geo.HAS_DEFAULT_GEOMETRY_PROP);
    while (nodeIt.hasNext()) {
        RDFNode node = nodeIt.nextNode();
        try {
            Literal geometryLiteral = node.asLiteral();
            GeometryWrapper.extract(geometryLiteral);
        } catch (DatatypeFormatException ex) {
            // Error messages should already have been issued. Catch exception so can continue on whole dataset.
            isValid = false;
        }
    }
    // Switch index back on if it was on.
    GeometryLiteralIndex.setIndexActive(isIndexActive);
    return isValid;
}