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

Example 16 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 17 with RDFNode

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

the class UpdateBuilderExampleTests method example8.

/**
	 * Example 8:
	 * 
	 * @see https://www.w3.org/TR/sparql11-update/#example_8
	 */
@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 18 with RDFNode

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

the class UpdateBuilderExampleTests method example10.

/**
	 * Example 10:
	 * 
	 * @see https://www.w3.org/TR/sparql11-update/#example_10
	 */
@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 19 with RDFNode

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

the class SecurityExample method main.

/**
	 * @param args
	 */
public static void main(String[] args) {
    String[] names = { "alice", "bob", "chuck", "darla" };
    RDFNode msgType = ResourceFactory.createResource("http://example.com/msg");
    Property pTo = ResourceFactory.createProperty("http://example.com/to");
    Property pFrom = ResourceFactory.createProperty("http://example.com/from");
    Property pSubj = ResourceFactory.createProperty("http://example.com/subj");
    Model model = ModelFactory.createDefaultModel();
    URL url = SecurityExample.class.getClassLoader().getResource("org/apache/jena/security/example/example.ttl");
    model.read(url.toExternalForm());
    ResIterator ri = model.listSubjectsWithProperty(RDF.type, msgType);
    System.out.println("All the messages");
    while (ri.hasNext()) {
        Resource msg = ri.next();
        Statement to = msg.getProperty(pTo);
        Statement from = msg.getProperty(pFrom);
        Statement subj = msg.getProperty(pSubj);
        System.out.println(String.format("%s to: %s  from: %s  subj: %s", msg, to.getObject(), from.getObject(), subj.getObject()));
    }
    System.out.println();
    ExampleEvaluator evaluator = new ExampleEvaluator(model);
    model = Factory.getInstance(evaluator, "http://example.com/SecuredModel", model);
    for (String userName : names) {
        evaluator.setPrincipal(userName);
        System.out.println("Messages " + userName + " can manipulate");
        ri = model.listSubjectsWithProperty(RDF.type, msgType);
        while (ri.hasNext()) {
            Resource msg = ri.next();
            Statement to = msg.getProperty(pTo);
            Statement from = msg.getProperty(pFrom);
            Statement subj = msg.getProperty(pSubj);
            System.out.println(String.format("%s to: %s  from: %s  subj: %s", msg, to.getObject(), from.getObject(), subj.getObject()));
        }
        ri.close();
        for (String name : names) {
            System.out.println(String.format("%s messages to %s", model.listSubjectsWithProperty(pTo, name).toList().size(), name));
        }
        System.out.println();
    }
}

Example 20 with RDFNode

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

the class BindingUtils method addToBinding.

public static void addToBinding(BindingMap binding, QuerySolution qSolution) {
    if (qSolution == null)
        return;
    for (Iterator<String> iter = qSolution.varNames(); iter.hasNext(); ) {
        String n = iter.next();
        RDFNode x = qSolution.get(n);
        if (Var.isBlankNodeVarName(n))
            continue;
        try {
            binding.add(Var.alloc(n), x.asNode());
        } catch (ARQInternalErrorException ex) {
            // bad binding attempt.
            Log.warn(BindingUtils.class, "Attempt to bind " + n + " when already bound");
        }
    }
}