Examples with Quad org.apache.jena.sparql.core.Quad used on opensource projects

Example 66 with Quad

use of org.apache.jena.sparql.core.Quad in project jena by apache.

the class AbstractDatasetGraphTests method quad_02.

@Test
public void quad_02() {
    DatasetGraph dsg = emptyDataset();
    assertNotNull(dsg);
    Quad quad = SSE.parseQuad("(quad <g> <s> <p> <o>)");
    dsg.add(quad);
    dsg.containsGraph(NodeFactory.createURI("g"));
    dsg.delete(quad);
    assertTrue(dsg.isEmpty());
    assertTrue(dsg.getDefaultGraph().isEmpty());
    assertTrue(dsg.getGraph(NodeFactory.createURI("g")).isEmpty());
}

Example 67 with Quad

use of org.apache.jena.sparql.core.Quad in project jena by apache.

the class AbstractDatasetGraphTests method deleteAny_01.

@Test
public void deleteAny_01() {
    DatasetGraph dsg = emptyDataset();
    Node subject = NodeFactory.createURI("http://example/s");
    Node predicate = NodeFactory.createURI("http://example/p");
    Node object = NodeFactory.createBlankNode();
    dsg.add(new Quad(Quad.defaultGraphIRI, subject, predicate, object));
    dsg.deleteAny(Node.ANY, subject, null, null);
}

Example 68 with Quad

use of org.apache.jena.sparql.core.Quad in project jena by apache.

the class AbstractDatasetGraphTests method graph_01.

// Graph centric operations
@Test
public void graph_01() {
    DatasetGraph dsg = emptyDataset();
    assertNotNull(dsg);
    Node g = NodeFactory.createURI("g");
    Triple t = SSE.parseTriple("(<s> <p> <o>)");
    dsg.getGraph(g).add(t);
    assertTrue(dsg.getGraph(g).contains(t));
    Quad quad = SSE.parseQuad("(quad <g> <s> <p> <o>)");
    Iterator<Quad> iter = dsg.find(null, null, null, null);
    assertTrue(iter.hasNext());
    Quad quad2 = iter.next();
    assertFalse(iter.hasNext());
    assertEquals(quad, quad2);
    assertTrue(dsg.getDefaultGraph().isEmpty());
    assertFalse(dsg.getGraph(NodeFactory.createURI("g")).isEmpty());
}

Example 69 with Quad

use of org.apache.jena.sparql.core.Quad in project jena by apache.

the class UpdateBuilderTest method testInsertAndDeleteWithVar.

@Test
public void testInsertAndDeleteWithVar() {
    UpdateBuilder builder = new UpdateBuilder();
    Var v = Var.alloc("v");
    builder.addInsert(new Quad(g, s, v, o));
    builder.addDelete(new Triple(s, v, o));
    builder.addWhere(null, v, "foo");
    builder.setVar(v, p);
    Update update = builder.build();
    assertTrue(update instanceof UpdateModify);
    UpdateModify um = (UpdateModify) update;
    List<Quad> quads = um.getInsertQuads();
    assertEquals(1, quads.size());
    Quad q = quads.get(0);
    assertEquals(g, q.getGraph());
    assertEquals(s, q.getSubject());
    assertEquals(p, q.getPredicate());
    assertEquals(o, q.getObject());
    quads = um.getDeleteQuads();
    assertEquals(1, quads.size());
    q = quads.get(0);
    assertEquals(Quad.defaultGraphNodeGenerated, q.getGraph());
    assertEquals(s, q.getSubject());
    assertEquals(p, q.getPredicate());
    assertEquals(o, q.getObject());
    Element e = um.getWherePattern();
    assertTrue(e instanceof ElementGroup);
    ElementGroup eg = (ElementGroup) e;
    assertEquals(1, eg.getElements().size());
    ElementPathBlock epb = (ElementPathBlock) eg.getElements().get(0);
    Triple t = epb.getPattern().get(0).asTriple();
    assertEquals(Node.ANY, t.getSubject());
    assertEquals(p, t.getPredicate());
    assertEquals(builder.makeNode("foo"), t.getObject());
}

Example 70 with Quad

use of org.apache.jena.sparql.core.Quad in project jena by apache.

the class UpdateBuilderTest method testDelete_Triple.

@Test
public void testDelete_Triple() {
    Triple t = new Triple(s, p, o);
    UpdateBuilder builder = new UpdateBuilder();
    builder.addDelete(t);
    Update update = builder.build();
    assertTrue(update instanceof UpdateDataDelete);
    UpdateDataDelete udd = (UpdateDataDelete) update;
    List<Quad> quads = udd.getQuads();
    assertEquals(1, quads.size());
    Quad q = quads.get(0);
    assertEquals(Quad.defaultGraphNodeGenerated, q.getGraph());
    assertEquals(s, q.getSubject());
    assertEquals(p, q.getPredicate());
    assertEquals(o, q.getObject());
}