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

Example 56 with ElementPathBlock

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

the class WhereClauseTest method testSetVarsInOptional_Node_Variable.

@ContractTest
public void testSetVarsInOptional_Node_Variable() {
    Node v = NodeFactory.createVariable("v");
    Node one = NodeFactory.createURI("one");
    Node two = NodeFactory.createURI("two");
    Node three = NodeFactory.createURI("three");
    WhereClause<?> whereClause = getProducer().newInstance();
    AbstractQueryBuilder<?> builder = whereClause.addOptional(new Triple(one, two, v));
    ElementPathBlock epb = new ElementPathBlock();
    ElementOptional optional = new ElementOptional(epb);
    TriplePath tp = new TriplePath(new Triple(one, two, Var.alloc(v)));
    epb.addTriplePath(tp);
    WhereValidator visitor = new WhereValidator(optional);
    builder.build().getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
    builder.setVar(v, three);
    epb = new ElementPathBlock();
    optional = new ElementOptional(epb);
    tp = new TriplePath(new Triple(one, two, three));
    epb.addTriplePath(tp);
    visitor = new WhereValidator(optional);
    builder.build().getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}

Example 57 with ElementPathBlock

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

the class WhereClauseTest method testSetVarsInOptional.

@ContractTest
public void testSetVarsInOptional() {
    Var v = Var.alloc("v");
    WhereClause<?> whereClause = getProducer().newInstance();
    AbstractQueryBuilder<?> builder = whereClause.addOptional(new Triple(NodeFactory.createURI("one"), NodeFactory.createURI("two"), v));
    ElementPathBlock epb = new ElementPathBlock();
    ElementOptional optional = new ElementOptional(epb);
    TriplePath tp = new TriplePath(NodeFactory.createURI("one"), new P_Link(NodeFactory.createURI("two")), v);
    epb.addTriple(tp);
    WhereValidator visitor = new WhereValidator(optional);
    builder.build().getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
    builder.setVar(v, NodeFactory.createURI("three"));
    epb = new ElementPathBlock();
    optional = new ElementOptional(epb);
    Triple t = new Triple(NodeFactory.createURI("one"), NodeFactory.createURI("two"), NodeFactory.createURI("three"));
    epb.addTriple(t);
    visitor = new WhereValidator(optional);
    builder.build().getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}

Example 58 with ElementPathBlock

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

the class WhereClauseTest method testAddOptionalObjects.

@ContractTest
public void testAddOptionalObjects() {
    WhereClause<?> whereClause = getProducer().newInstance();
    AbstractQueryBuilder<?> builder = whereClause.addOptional(NodeFactory.createURI("one"), NodeFactory.createURI("two"), NodeFactory.createURI("three"));
    ElementPathBlock epb = new ElementPathBlock();
    ElementOptional optional = new ElementOptional(epb);
    Triple t = new Triple(NodeFactory.createURI("one"), NodeFactory.createURI("two"), NodeFactory.createURI("three"));
    epb.addTriple(t);
    WhereValidator visitor = new WhereValidator(optional);
    builder.build().getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}

Example 59 with ElementPathBlock

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

the class SelectBuilderTest method testList.

@Test
public void testList() {
    builder.addVar("*").addWhere(builder.list("<one>", "?two", "'three'"), "<foo>", "<bar>");
    Query query = builder.build();
    Node one = NodeFactory.createURI("one");
    Node two = Var.alloc("two").asNode();
    Node three = NodeFactory.createLiteral("three");
    Node foo = NodeFactory.createURI("foo");
    Node bar = NodeFactory.createURI("bar");
    ElementPathBlock epb = new ElementPathBlock();
    Node firstObject = NodeFactory.createBlankNode();
    Node secondObject = NodeFactory.createBlankNode();
    Node thirdObject = NodeFactory.createBlankNode();
    epb.addTriplePath(new TriplePath(new Triple(firstObject, RDF.first.asNode(), one)));
    epb.addTriplePath(new TriplePath(new Triple(firstObject, RDF.rest.asNode(), secondObject)));
    epb.addTriplePath(new TriplePath(new Triple(secondObject, RDF.first.asNode(), two)));
    epb.addTriplePath(new TriplePath(new Triple(secondObject, RDF.rest.asNode(), thirdObject)));
    epb.addTriplePath(new TriplePath(new Triple(thirdObject, RDF.first.asNode(), three)));
    epb.addTriplePath(new TriplePath(new Triple(thirdObject, RDF.rest.asNode(), RDF.nil.asNode())));
    epb.addTriplePath(new TriplePath(new Triple(firstObject, foo, bar)));
    WhereValidator visitor = new WhereValidator(epb);
    query.getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}

Example 60 with ElementPathBlock

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

the class UpdateBuilderTest method testInsertAndDeleteWithVariableNode.

@Test
public void testInsertAndDeleteWithVariableNode() {
    UpdateBuilder builder = new UpdateBuilder();
    Node v = NodeFactory.createVariable("v");
    builder.addInsert(new Quad(g, s, v, o));
    builder.addDelete(new Triple(s, v, o));
    builder.addWhere(null, v, "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(v, q.getPredicate());
    assertEquals(o, q.getObject());
    assertTrue(Var.isVar(q.getPredicate()));
    quads = um.getDeleteQuads();
    assertEquals(1, quads.size());
    q = quads.get(0);
    assertEquals(Quad.defaultGraphNodeGenerated, q.getGraph());
    assertEquals(s, q.getSubject());
    assertEquals(v, q.getPredicate());
    assertEquals(o, q.getObject());
    assertTrue(Var.isVar(q.getPredicate()));
    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(v, t.getPredicate());
    assertEquals(builder.makeNode("foo"), t.getObject());
    assertTrue(Var.isVar(t.getPredicate()));
}