Examples with QuerySolutionMap org.apache.jena.query.QuerySolutionMap used on opensource projects

Example 16 with QuerySolutionMap

use of org.apache.jena.query.QuerySolutionMap in project jena by apache.

the class TestAPI method testInitialBindings4.

@Test
public void testInitialBindings4() {
    // Test derived from report by Holger Knublauch
    String queryString = "PREFIX : <" + ns + ">\n" + "PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> \n" + "SELECT * \n" + "WHERE { \n" + "    ?x :p1 ?z ." + "    NOT EXISTS { \n" + "        ?x rdfs:label ?z . \n" + "    }\n" + "}";
    Query query = QueryFactory.create(queryString, Syntax.syntaxARQ);
    QuerySolutionMap map = new QuerySolutionMap();
    map.add("this", OWL.Thing);
    try (QueryExecution qExec = QueryExecution.model(m).query(queryString).initialBinding(map).build()) {
        ResultSet rs = qExec.execSelect();
        while (rs.hasNext()) {
            QuerySolution qs = rs.nextSolution();
        }
    }
}

Example 17 with QuerySolutionMap

use of org.apache.jena.query.QuerySolutionMap in project jena by apache.

the class TestAPI method testInitialBindingsConstruct1.

@Test
public void testInitialBindingsConstruct1() {
    QuerySolutionMap init = new QuerySolutionMap();
    init.add("z", m.createLiteral("zzz"));
    String qs = "CONSTRUCT {?s ?p ?z} {?s ?p 'x1'}";
    try (QueryExecution qExec = QueryExecution.model(m).query(qs).initialBinding(init).build()) {
        Model r = qExec.execConstruct();
        assertTrue("Empty model", r.size() > 0);
        Property p1 = m.createProperty(ns + "p1");
        assertTrue("Empty model", r.contains(null, p1, init.get("z")));
    }
}