Examples with ElementPathBlock org.apache.jena.sparql.syntax.ElementPathBlock used on opensource projects

Example 36 with ElementPathBlock

use of org.apache.jena.sparql.syntax.ElementPathBlock in project jena by apache.

the class WhereClauseTest method testAddGraph_triplePath.

@ContractTest
public void testAddGraph_triplePath() {
    final Node s = NodeFactory.createURI("s");
    final Node p = NodeFactory.createURI("p");
    final Node o = NodeFactory.createURI("o");
    TriplePath tp = new TriplePath(new Triple(s, p, o));
    WhereClause<?> whereClause = getProducer().newInstance();
    AbstractQueryBuilder<?> builder = whereClause.addGraph("<g>", tp);
    Query query = builder.build();
    ElementPathBlock epb = new ElementPathBlock();
    ElementNamedGraph eng = new ElementNamedGraph(NodeFactory.createURI("g"), epb);
    epb.addTriplePath(new TriplePath(new Triple(s, p, o)));
    WhereValidator visitor = new WhereValidator(eng);
    query.getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}

Example 37 with ElementPathBlock

use of org.apache.jena.sparql.syntax.ElementPathBlock in project jena by apache.

the class UpdateBuilderTest method testInsertAndDelete.

@Test
public void testInsertAndDelete() {
    UpdateBuilder builder = new UpdateBuilder();
    builder.addInsert(new Quad(g, s, p, o));
    builder.addDelete(new Triple(s, p, o));
    builder.addWhere(null, p, "foo");
    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 38 with ElementPathBlock

use of org.apache.jena.sparql.syntax.ElementPathBlock in project jena by apache.

the class ElementRewriter method visit.

@Override
public void visit(ElementPathBlock el) {
    ElementPathBlock newBlock = new ElementPathBlock();
    Iterator<TriplePath> tIter = el.patternElts();
    while (tIter.hasNext()) {
        newBlock.addTriplePath(rewrite(tIter.next()));
    }
    push(newBlock);
}

Example 39 with ElementPathBlock

use of org.apache.jena.sparql.syntax.ElementPathBlock in project jena by apache.

the class TestBlankNodeBinary method bNodeSPARQL_Query_1.

// Check SPARQL parsing.
@Test
public void bNodeSPARQL_Query_1() {
    String qs = "SELECT * { ?s ?p <_:ABC>}";
    Query query = QueryFactory.create(qs);
    Element el = ((ElementGroup) query.getQueryPattern()).get(0);
    ElementPathBlock epb = (ElementPathBlock) el;
    TriplePath tp = epb.getPattern().get(0);
    Triple t = tp.asTriple();
    assertEquals("ABC", t.getObject().getBlankNodeLabel());
}

Example 40 with ElementPathBlock

use of org.apache.jena.sparql.syntax.ElementPathBlock in project jena by apache.

the class TestBlankNodeBinary method bNodeSPARQL_Query_1.

// Check SPARQL parsing.
@Test
public void bNodeSPARQL_Query_1() {
    String qs = "SELECT * { ?s ?p <_:ABC>}";
    Query query = QueryFactory.create(qs);
    Element el = ((ElementGroup) query.getQueryPattern()).get(0);
    ElementPathBlock epb = (ElementPathBlock) el;
    TriplePath tp = epb.getPattern().get(0);
    Triple t = tp.asTriple();
    assertEquals("ABC", t.getObject().getBlankNodeLabel());
}