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

Example 51 with ElementPathBlock

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

the class WhereClauseTest method testAddWhereWhereClause.

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

Example 52 with ElementPathBlock

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

the class WhereClauseTest method testAddGraph_triple.

@ContractTest
public void testAddGraph_triple() {
    final Node s = NodeFactory.createURI("s");
    final Node p = NodeFactory.createURI("p");
    final Node o = NodeFactory.createURI("o");
    WhereClause<?> whereClause = getProducer().newInstance();
    AbstractQueryBuilder<?> builder = whereClause.addGraph("<g>", new Triple(s, p, o));
    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 53 with ElementPathBlock

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

the class WhereClauseTest method testSetVarsInUnion.

@ContractTest
public void testSetVarsInUnion() {
    Var v = Var.alloc("v");
    SelectBuilder sb1 = new SelectBuilder().addPrefix("pfx", "uri").addWhere("<one>", "<two>", v);
    WhereClause<?> whereClause = getProducer().newInstance();
    whereClause.addUnion(sb1);
    SelectBuilder sb2 = new SelectBuilder().addWhere("<uno>", "<dos>", "<tres>");
    AbstractQueryBuilder<?> builder = whereClause.addUnion(sb2);
    Query query = builder.build();
    Node one = NodeFactory.createURI("one");
    Node two = NodeFactory.createURI("two");
    Node three = NodeFactory.createURI("three");
    Node uno = NodeFactory.createURI("uno");
    Node dos = NodeFactory.createURI("dos");
    Node tres = NodeFactory.createURI("tres");
    ElementUnion union = new ElementUnion();
    ElementPathBlock epb = new ElementPathBlock();
    Triple t = new Triple(one, two, v.asNode());
    epb.addTriple(t);
    union.addElement(epb);
    ElementPathBlock epb2 = new ElementPathBlock();
    t = new Triple(uno, dos, tres);
    epb2.addTriple(t);
    union.addElement(epb2);
    WhereValidator visitor = new WhereValidator(union);
    query.getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
    builder.setVar(v, NodeFactory.createURI("three"));
    query = builder.build();
    union = new ElementUnion();
    epb = new ElementPathBlock();
    t = new Triple(one, two, three);
    epb.addTriple(t);
    union.addElement(epb);
    epb2 = new ElementPathBlock();
    t = new Triple(uno, dos, tres);
    epb2.addTriple(t);
    union.addElement(epb2);
    visitor = new WhereValidator(union);
    query.getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}

Example 54 with ElementPathBlock

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

the class ConstructBuilderTest method testList.

@Test
public void testList() {
    builder.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 55 with ElementPathBlock

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

the class WhereClauseTest method testAddOptionalGroupPattern.

@ContractTest
public void testAddOptionalGroupPattern() {
    Var s = Var.alloc("s");
    Node q = NodeFactory.createURI("urn:q");
    Node v = NodeFactory.createURI("urn:v");
    Var x = Var.alloc("x");
    Node n123 = NodeFactory.createLiteral(LiteralLabelFactory.createTypedLiteral(123));
    SelectBuilder pattern = new SelectBuilder();
    pattern.addWhere(new Triple(s, q, n123));
    pattern.addWhere(new Triple(s, v, x));
    WhereClause<?> whereClause = getProducer().newInstance();
    AbstractQueryBuilder<?> builder = whereClause.addOptional(pattern);
    ElementPathBlock epb = new ElementPathBlock();
    ElementOptional optional = new ElementOptional(epb);
    TriplePath tp = new TriplePath(new Triple(s, q, n123));
    epb.addTriplePath(tp);
    tp = new TriplePath(new Triple(s, v, x));
    epb.addTriplePath(tp);
    WhereValidator visitor = new WhereValidator(optional);
    builder.build().getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}