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

Example 36 with Literal

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

the class UpdateBuilderExampleTests method example6.

/**
	 * Example 6:
	 * 
	 * @see https://www.w3.org/TR/sparql11-update/#example_6
	 */
@Test
public void example6() {
    Resource book1 = ResourceFactory.createResource("http://example/book1");
    Resource book2 = ResourceFactory.createResource("http://example/book2");
    Resource book3 = ResourceFactory.createResource("http://example/book3");
    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");
    m.setNsPrefix("dc", DC_11.NS);
    m.setNsPrefix("ns", NS_prefix);
    m.add(book1, DC_11.title, "Principles of Compiler Design");
    m.add(book1, DC_11.date, d1977);
    m.add(book2, price, priceV);
    m.add(book2, DC_11.title, "David Copperfield");
    m.add(book2, DC_11.creator, "Edmund Wells");
    m.add(book2, DC_11.date, d1948);
    m.add(book3, DC_11.title, "SPARQL 1.1 Tutorial");
    UpdateBuilder builder = new UpdateBuilder().addPrefix("dc", DC_11.NS).addPrefix("xsd", "http://www.w3.org/2001/XMLSchema#").addDelete("?book", "?p", "?v").addWhere("?book", "dc:date", "?date");
    ExprFactory exprFact = builder.getExprFactory();
    builder.addFilter(exprFact.gt(exprFact.asExpr("?date"), d1970)).addWhere("?book", "?p", "?v");
    UpdateRequest req = builder.buildRequest();
    UpdateAction.execute(req, m);
    assertTrue(m.contains(book2, price, priceV));
    assertTrue(m.contains(book2, DC_11.title, "David Copperfield"));
    assertTrue(m.contains(book2, DC_11.creator, "Edmund Wells"));
    assertTrue(m.contains(book2, DC_11.date, d1948));
    assertTrue(m.contains(book3, DC_11.title, "SPARQL 1.1 Tutorial"));
    assertEquals(5, triples.size());
}

Example 37 with Literal

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

the class UpdateBuilderExampleTests method example1.

/**
	 * Example 1: Adding some triples to a graph
	 * 
	 * @see https://www.w3.org/TR/sparql11-update/#example_1
	 */
@Test
public void example1() {
    Resource r = ResourceFactory.createResource("http://example/book1");
    Property price = ResourceFactory.createProperty(NS_prefix + "price");
    Literal priceV = ResourceFactory.createPlainLiteral("42");
    m.add(r, price, priceV);
    m.setNsPrefix("dc", DC_11.NS);
    m.setNsPrefix("ns", NS_prefix);
    UpdateBuilder builder = new UpdateBuilder().addPrefix("dc", DC_11.NS).addInsert(r, DC_11.title, "A new book").addInsert(r, DC_11.creator, "A.N.Other");
    UpdateAction.execute(builder.buildRequest(), m);
    assertTrue(m.contains(r, price, priceV));
    assertTrue(m.contains(r, DC_11.title, "A new book"));
    assertTrue(m.contains(r, DC_11.creator, "A.N.Other"));
    assertEquals(3, triples.size());
    assertEquals(2, m.getNsPrefixMap().size());
    assertEquals(NS_prefix, m.getNsPrefixMap().get("ns"));
    assertEquals(DC_11.NS, m.getNsPrefixMap().get("dc"));
}

Example 38 with Literal

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

the class UpdateBuilderExampleTests method example3.

/**
	 * Example 3: Removing triples from a graph
	 * 
	 * @see https://www.w3.org/TR/sparql11-update/#example_3
	 */
@Test
public void example3() {
    Resource r = ResourceFactory.createResource("http://example/book2");
    Property price = ResourceFactory.createProperty(NS_prefix + "price");
    Literal priceV = ResourceFactory.createTypedLiteral(42);
    m.setNsPrefix("dc", DC_11.NS);
    m.setNsPrefix("ns", NS_prefix);
    m.add(r, price, priceV);
    m.add(r, DC_11.title, "David Copperfield");
    m.add(r, DC_11.creator, "Edmund Wells");
    UpdateBuilder builder = new UpdateBuilder().addPrefix("dc", DC_11.NS).addDelete(r, DC_11.title, "David Copperfield").addDelete(r, DC_11.creator, "Edmund Wells");
    UpdateAction.execute(builder.buildRequest(), m);
    assertTrue(m.contains(r, price, priceV));
    assertEquals(1, triples.size());
    assertEquals(2, m.getNsPrefixMap().size());
    assertEquals(NS_prefix, m.getNsPrefixMap().get("ns"));
    assertEquals(DC_11.NS, m.getNsPrefixMap().get("dc"));
}

Example 39 with Literal

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

the class TestLiteralImpl method testSameAdhocClassUS.

public void testSameAdhocClassUS() {
    try {
        final UniqueValueClass1 ra = new UniqueValueClass1("rhubarb");
        final UniqueValueClass1 rb = new UniqueValueClass1("cottage");
        Assert.assertNull("not expecting registered RDF Datatype", TypeMapper.getInstance().getTypeByValue(ra));
        // Sets the type
        final Literal la = model.createTypedLiteral(ra);
        // mapper
        // - contaminates it
        // with
        // UniqueValueClass1
        final Literal lb = model.createTypedLiteral(rb);
        JenaTestBase.assertInstanceOf(AdhocDatatype.class, la.getDatatype());
        Assert.assertSame(la.getDatatype(), lb.getDatatype());
        Assert.assertNotNull(TypeMapper.getInstance().getTypeByValue(ra));
    } finally {
        TypeMapper.reset();
    }
}

Example 40 with Literal

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

the class TestLiterals method testInt.

// public void testLiteralObjects()
// {
// // testLiteralObject( model, 0 );
// // testLiteralObject( model, 12345 );
// // testLiteralObject( model, -67890 );
// }
protected void testInt(final Model model, final int tv) {
    final Literal l = model.createTypedLiteral(tv);
    try {
        Assert.assertEquals(tv, l.getByte());
        assertInRange(Byte.MIN_VALUE, tv, Byte.MAX_VALUE);
    } catch (final IllegalArgumentException e) {
        assertOutsideRange(Byte.MIN_VALUE, tv, Byte.MAX_VALUE);
    }
    try {
        Assert.assertEquals(tv, l.getShort());
        assertInRange(Short.MIN_VALUE, tv, Short.MAX_VALUE);
    } catch (final IllegalArgumentException e) {
        assertOutsideRange(Short.MIN_VALUE, tv, Short.MAX_VALUE);
    }
    Assert.assertEquals(tv, l.getInt());
    Assert.assertEquals(tv, l.getLong());
}