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

Example 26 with ElementPathBlock

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

the class WhereClauseTest method testAddOptionalStringWithPath.

@ContractTest
public void testAddOptionalStringWithPath() {
    WhereClause<?> whereClause = getProducer().newInstance();
    AbstractQueryBuilder<?> builder = whereClause.addOptional("<one>", "<two>/<dos>", "three");
    Path path = new P_Seq(new P_Link(NodeFactory.createURI("two")), new P_Link(NodeFactory.createURI("dos")));
    ElementPathBlock epb = new ElementPathBlock();
    ElementOptional optional = new ElementOptional(epb);
    TriplePath tp = new TriplePath(NodeFactory.createURI("one"), path, NodeFactory.createLiteral("three"));
    epb.addTriplePath(tp);
    WhereValidator visitor = new WhereValidator(optional);
    builder.build().getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}

Example 27 with ElementPathBlock

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

the class WhereHandlerTest method testMakeSubQueryFromAsk.

@Test
public void testMakeSubQueryFromAsk() {
    AbstractQueryBuilder<?> sb = new AskBuilder().addWhere("?x", RDF.type, RDF.Alt);
    ElementSubQuery esq = handler.makeSubQuery(sb);
    Triple t1 = new Triple(NodeFactory.createVariable("x"), RDF.type.asNode(), RDF.Alt.asNode());
    TriplePath tp = new TriplePath(t1);
    ElementPathBlock epb = new ElementPathBlock();
    epb.addTriple(tp);
    Query q = new Query();
    q.setQuerySelectType();
    q.setQueryResultStar(true);
    q.setQueryPattern(epb);
    ElementSubQuery esq2 = new ElementSubQuery(q);
    WhereValidator wv = new WhereValidator(esq2);
    esq.visit(wv);
    assertTrue(wv.matching);
}

Example 28 with ElementPathBlock

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

the class WhereHandlerTest method testAddWhereStrings.

@Test
public void testAddWhereStrings() {
    handler.addWhere(new TriplePath(new Triple(NodeFactory.createURI("one"), NodeFactory.createURI("two"), NodeFactory.createURI("three"))));
    handler.build();
    ElementPathBlock epb = new ElementPathBlock();
    TriplePath tp = new TriplePath(new Triple(NodeFactory.createURI("one"), NodeFactory.createURI("two"), NodeFactory.createURI("three")));
    epb.addTriplePath(tp);
    WhereValidator visitor = new WhereValidator(epb);
    handler.getQueryPattern().visit(visitor);
    assertTrue(visitor.matching);
}

Example 29 with ElementPathBlock

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

the class WhereQuadHolder method addOptional.

/**
 * Add an optional triple to the where clause
 *
 * @param t The triple path to add.
 * @throws IllegalArgumentException If the triple is not a valid triple for a
 * where clause.
 */
public void addOptional(TriplePath t) throws IllegalArgumentException {
    testTriple(t);
    ElementPathBlock epb = new ElementPathBlock();
    epb.addTriple(t);
    ElementOptional opt = new ElementOptional(epb);
    getClause().addElement(opt);
}

Example 30 with ElementPathBlock

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

the class WhereQuadHolder method addWhere.

/**
 * Add the triple path to the where clause
 *
 * @param t The triple path to add.
 * @throws IllegalArgumentException If the triple path is not a valid triple
 * path for a where clause.
 */
public void addWhere(TriplePath t) throws IllegalArgumentException {
    testTriple(t);
    ElementGroup eg = getClause();
    List<Element> lst = eg.getElements();
    if (lst.isEmpty()) {
        ElementPathBlock epb = new ElementPathBlock();
        epb.addTriple(t);
        eg.addElement(epb);
    } else {
        Element e = lst.get(lst.size() - 1);
        if (e instanceof ElementTriplesBlock && t.isTriple()) {
            ElementTriplesBlock etb = (ElementTriplesBlock) e;
            etb.addTriple(t.asTriple());
        } else if (e instanceof ElementPathBlock) {
            ElementPathBlock epb = (ElementPathBlock) e;
            epb.addTriple(t);
        } else {
            ElementPathBlock etb = new ElementPathBlock();
            etb.addTriple(t);
            eg.addElement(etb);
        }
    }
}