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

Example 26 with QuerySolution

use of org.apache.jena.query.QuerySolution in project autoindex by dice-group.

the class AutoIndexTest method testgetallclasses.

public void testgetallclasses() {
    seh.setLang("en");
    seh.setBaseUri(endpoint);
    ResultSet results = seh.getallclasses();
    assertNotNull(results);
    List<QuerySolution> asText = ResultSetFormatter.toList(results);
    Joiner listOfResults = Joiner.on("\n");
    System.out.println("Classes Results" + listOfResults.join(asText));
    System.out.println("Total Visible Results = " + asText.size());
    Assert.assertTrue(asText.size() > 1);
}

Example 27 with QuerySolution

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

the class TestAPI method testInitialBindings3.

@Test
public void testInitialBindings3() {
    QuerySolutionMap init = new QuerySolutionMap();
    init.add("z", m.createLiteral("zzz"));
    String qs = "SELECT * {?s ?p 'x1'}";
    try (QueryExecution qExec = QueryExecution.model(m).query(qs).initialBinding(init).build()) {
        ResultSet rs = qExec.execSelect();
        QuerySolution qSoln = rs.nextSolution();
        assertTrue("Initial setting not set correctly now", qSoln.getLiteral("z").getLexicalForm().equals("zzz"));
    }
}

Example 28 with QuerySolution

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

the class TestSecurityFilterLocal method subjects.

private Set<Node> subjects(DatasetGraph dsg, String queryString, SecurityContext sCxt) {
    final DatasetGraph dsg1 = applyFilterDSG ? DataAccessCtl.filteredDataset(dsg, sCxt) : dsg;
    Dataset ds = DatasetFactory.wrap(dsg1);
    return Txn.calculateRead(ds, () -> {
        try (QueryExecution qExec = QueryExecutionFactory.create(queryString, ds)) {
            // }
            if (applyFilterTDB)
                sCxt.filterTDB(dsg1, qExec);
            List<QuerySolution> results = Iter.toList(qExec.execSelect());
            Stream<Node> stream = results.stream().map(qs -> qs.get("s")).filter(Objects::nonNull).map(RDFNode::asNode);
            return SetUtils.toSet(stream);
        }
    });
}

Example 29 with QuerySolution

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

the class TestSecurityFilterLocal method graphs.

private Set<Node> graphs(DatasetGraph dsg, SecurityContext sCxt) {
    // Either applyFilterDSG or applyFilterTDB
    final DatasetGraph dsg1 = applyFilterDSG ? DataAccessCtl.filteredDataset(dsg, sCxt) : dsg;
    Dataset ds = DatasetFactory.wrap(dsg1);
    return Txn.calculateRead(ds, () -> {
        try (QueryExecution qExec = QueryExecutionFactory.create(queryGraphNames, ds)) {
            if (applyFilterTDB)
                sCxt.filterTDB(dsg1, qExec);
            List<QuerySolution> results = Iter.toList(qExec.execSelect());
            Stream<Node> stream = results.stream().map(qs -> qs.get("g")).filter(Objects::nonNull).map(RDFNode::asNode);
            return SetUtils.toSet(stream);
        }
    });
}

Example 30 with QuerySolution

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

the class TestSecurityFilterLocal method subjects.

private Set<Node> subjects(DatasetGraph dsg, Function<DatasetGraph, Graph> graphChoice, String queryString, SecurityContext sCxt) {
    final DatasetGraph dsg1 = applyFilterDSG ? DataAccessCtl.filteredDataset(dsg, sCxt) : dsg;
    Graph graph = graphChoice.apply(dsg1);
    if (graph == null)
        // Can't see the graph.
        return Collections.emptySet();
    Model model = ModelFactory.createModelForGraph(graph);
    return Txn.calculateRead(testdsg, () -> {
        try (QueryExecution qExec = QueryExecutionFactory.create(queryString, model)) {
            if (applyFilterTDB)
                sCxt.filterTDB(dsg1, qExec);
            List<QuerySolution> results = Iter.toList(qExec.execSelect());
            Stream<Node> stream = results.stream().map(qs -> qs.get("s")).filter(Objects::nonNull).map(RDFNode::asNode);
            return SetUtils.toSet(stream);
        }
    });
}