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

Example 31 with Property

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

the class StageAltMain method makeData.

private static Model makeData() {
    Model model = ModelFactory.createDefaultModel();
    Resource r = model.createResource(NS + "r");
    Property p1 = model.createProperty(NS + "p1");
    Property p2 = model.createProperty(NS + "p2");
    model.add(r, p1, "xyz");
    model.add(r, p2, "abc");
    return model;
}

Example 32 with Property

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

the class UpdateBuilderTest method example1.

// testsbased on the examples
/*
     * 	Example 1: Adding some triples to a graph
    
    This snippet describes two RDF triples to be inserted into the default graph of the Graph Store.
    
    PREFIX dc: <http://purl.org/dc/elements/1.1/>
    INSERT DATA
    {
      <http://example/book1> dc:title "A new book" ;
                             dc:creator "A.N.Other" .
    }
    
    Data before:
    
    # Default graph
    @prefix dc: <http://purl.org/dc/elements/1.1/> .
    @prefix ns: <http://example.org/ns#> .
    
    <http://example/book1> ns:price 42 .
    
    Data after:
    
    # Default graph
    @prefix dc: <http://purl.org/dc/elements/1.1/> .
    @prefix ns: <http://example.org/ns#> .
    
    <http://example/book1> ns:price 42 .
    <http://example/book1> dc:title "A new book" .
    <http://example/book1> dc:creator "A.N.Other" .
    
     */
@Test
public void example1() {
    Node n = NodeFactory.createURI("http://example/book1");
    Node priceN = NodeFactory.createURI("http://example.org/ns#price");
    Node priceV = NodeFactory.createLiteral("42");
    UpdateBuilder builder = new UpdateBuilder().addPrefix("dc", DC_11.NS).addInsert(n, DC_11.title, "A new book").addInsert(n, DC_11.creator, "A.N.Other");
    List<Triple> triples = new ArrayList<Triple>();
    triples.add(new Triple(n, priceN, priceV));
    Graph g = new CollectionGraph(triples);
    Model m = ModelFactory.createModelForGraph(g);
    m.setNsPrefix("dc", DC_11.NS);
    m.setNsPrefix("ns", "http://example.org/ns#");
    UpdateAction.execute(builder.build(), m);
    Resource r = ResourceFactory.createResource(n.getURI());
    Property rPriceP = ResourceFactory.createProperty(priceN.getURI());
    Literal rPriceV = ResourceFactory.createPlainLiteral("42");
    assertTrue(m.contains(r, rPriceP, rPriceV));
    assertTrue(m.contains(r, DC_11.title, "A new book"));
    assertTrue(m.contains(r, DC_11.creator, "A.N.Other"));
    assertEquals(3, triples.size());
}

Example 33 with Property

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

the class UpdateBuilderExampleTests method example2.

/**
 * Example 2: Adding some triples to a graph
 *
 * @see <a href=
 * "https://www.w3.org/TR/sparql11-update/#example_2">sparql11-update
 * example_2</a>
 */
@Test
public void example2() {
    Resource r = ResourceFactory.createResource("http://example/book1");
    Property price = ResourceFactory.createProperty(NS_prefix + "price");
    Literal priceV = ResourceFactory.createTypedLiteral(42);
    m.setNsPrefix("dc", DC_11.NS);
    m.add(r, DC_11.title, "Fundamentals of Compiler Design");
    UpdateBuilder builder = new UpdateBuilder().addPrefix("ns", NS_prefix).addInsert(r, "ns:price", priceV.asNode());
    UpdateAction.execute(builder.buildRequest(), m);
    assertTrue(m.contains(r, price, priceV));
    assertTrue(m.contains(r, DC_11.title, "Fundamentals of Compiler Design"));
    assertEquals(2, triples.size());
    // assertEquals( 2, m.getNsPrefixMap().size());
    // assertEquals( NS_prefix, m.getNsPrefixMap().get("ns"));
    assertEquals(DC_11.NS, m.getNsPrefixMap().get("dc"));
}

Example 34 with Property

use of org.apache.jena.rdf.model.Property 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 35 with Property

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

the class GenericPropertyFunction method queryRewrite.

protected final Boolean queryRewrite(Graph graph, Node subject, Node predicate, Node object, QueryRewriteIndex queryRewriteIndex) {
    if (graph.contains(subject, predicate, object)) {
        // The graph contains the asserted triple, return the current binding.
        return true;
    }
    // If query re-writing is disabled then exit - already checked that graph does not contain the asserted relation.
    if (!queryRewriteIndex.isIndexActive()) {
        return false;
    }
    // Begin Query Re-write by finding the literals of the Feature or Geometry.
    SpatialObjectGeometryLiteral subjectSpatialLiteral = SpatialObjectGeometryLiteral.retrieve(graph, subject);
    if (!subjectSpatialLiteral.isValid()) {
        // Subject is not a Feature or a Geometry or there is no GeometryLiteral so exit.
        return false;
    }
    SpatialObjectGeometryLiteral objectSpatialLiteral = SpatialObjectGeometryLiteral.retrieve(graph, object);
    if (!objectSpatialLiteral.isValid()) {
        // Object is not a Feature or a Geometry or there is no GeometryLiteral so exit.
        return false;
    }
    // Check the QueryRewriteIndex for the result.
    Property predicateProp = ResourceFactory.createProperty(predicate.getURI());
    Boolean isPositive = queryRewriteIndex.test(subjectSpatialLiteral.getGeometryLiteral(), predicateProp, objectSpatialLiteral.getGeometryLiteral(), this);
    return isPositive;
}