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

Example 86 with QuerySolution

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

the class GreatCircleGeomFFTest method testExec_query.

/**
 * Test of exec method, of class GreatCircleGeomFF.
 */
@Test
public void testExec_query() {
    Dataset dataset = SpatialIndexTestData.createTestDataset();
    String query = "PREFIX spatialF: <http://jena.apache.org/function/spatial#>\n" + "\n" + "SELECT ?dist\n" + "WHERE{\n" + "    BIND( \"<http://www.opengis.net/def/crs/EPSG/0/4326> POINT(51.50853 -0.12574)\"^^<http://www.opengis.net/ont/geosparql#wktLiteral> AS ?geom1)" + "    BIND( \"<http://www.opengis.net/def/crs/EPSG/0/4326> POINT(48.857487 2.373047)\"^^<http://www.opengis.net/ont/geosparql#wktLiteral> AS ?geom2)" + "    BIND( spatialF:greatCircleGeom(?geom1, ?geom2, <http://www.opengis.net/def/uom/OGC/1.0/kilometer>) AS ?dist) \n" + "}ORDER by ?dist";
    List<Literal> results = new ArrayList<>();
    try (QueryExecution qe = QueryExecutionFactory.create(query, dataset)) {
        ResultSet rs = qe.execSelect();
        while (rs.hasNext()) {
            QuerySolution qs = rs.nextSolution();
            Literal result = qs.getLiteral("dist");
            results.add(result);
        }
    }
    List<Literal> expResults = Arrays.asList(ResourceFactory.createTypedLiteral("344.266423e0", XSDDatatype.XSDdouble));
    // 
    // 
    assertEquals(expResults, results);
}

Example 87 with QuerySolution

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

the class DistanceFFTest method testExec_query.

/**
 * Test of exec method, of class DistanceFF.
 */
@Test
public void testExec_query() {
    Dataset dataset = SpatialIndexTestData.createTestDataset();
    String query = "PREFIX spatialF: <http://jena.apache.org/function/spatial#>\n" + "\n" + "SELECT ?dist\n" + "WHERE{\n" + "    BIND( \"<http://www.opengis.net/def/crs/EPSG/0/4326> POINT(51.50853 -0.12574)\"^^<http://www.opengis.net/ont/geosparql#wktLiteral> AS ?geom1)" + "    BIND( \"<http://www.opengis.net/def/crs/EPSG/0/4326> POINT(48.857487 2.373047)\"^^<http://www.opengis.net/ont/geosparql#wktLiteral> AS ?geom2)" + "    BIND( spatialF:distance(?geom1, ?geom2, <http://www.opengis.net/def/uom/OGC/1.0/kilometer>) AS ?dist) \n" + "}ORDER by ?dist";
    List<Literal> results = new ArrayList<>();
    try (QueryExecution qe = QueryExecutionFactory.create(query, dataset)) {
        ResultSet rs = qe.execSelect();
        while (rs.hasNext()) {
            QuerySolution qs = rs.nextSolution();
            Literal result = qs.getLiteral("dist");
            results.add(result);
        }
    }
    List<Literal> expResults = Arrays.asList(ResourceFactory.createTypedLiteral("344.266423e0", XSDDatatype.XSDdouble));
    // 
    // 
    assertEquals(expResults, results);
}

Example 88 with QuerySolution

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

the class GreatCircleFFTest method testExec_query.

/**
 * Test of exec method, of class GreatCircleFF.
 */
@Test
public void testExec_query() {
    Dataset dataset = SpatialIndexTestData.createTestDataset();
    String query = "PREFIX spatialF: <http://jena.apache.org/function/spatial#>\n" + "\n" + "SELECT ?dist\n" + "WHERE{\n" + "    BIND( spatialF:greatCircle(51.50853, -0.12574, 48.857487, 2.373047, <http://www.opengis.net/def/uom/OGC/1.0/kilometer>) AS ?dist) \n" + "}ORDER by ?dist";
    List<Literal> results = new ArrayList<>();
    try (QueryExecution qe = QueryExecutionFactory.create(query, dataset)) {
        ResultSet rs = qe.execSelect();
        while (rs.hasNext()) {
            QuerySolution qs = rs.nextSolution();
            Literal result = qs.getLiteral("dist");
            results.add(result);
        }
    }
    List<Literal> expResults = Arrays.asList(ResourceFactory.createTypedLiteral("344.266423e0", XSDDatatype.XSDdouble));
    // 
    // 
    assertEquals(expResults, results);
}

Example 89 with QuerySolution

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

the class NearbyFFTest method testExec_query_false.

/**
 * Test of exec method, of class NearbyFF.
 */
@Test
public void testExec_query_false() {
    Dataset dataset = SpatialIndexTestData.createTestDataset();
    String query = "PREFIX spatialF: <http://jena.apache.org/function/spatial#>\n" + "\n" + "SELECT ?result\n" + "WHERE{\n" + "    BIND( \"<http://www.opengis.net/def/crs/EPSG/0/4326> POINT(51.50853 -0.12574)\"^^<http://www.opengis.net/ont/geosparql#wktLiteral> AS ?geom1)" + "    BIND( \"<http://www.opengis.net/def/crs/EPSG/0/4326> POINT(48.857487 2.373047)\"^^<http://www.opengis.net/ont/geosparql#wktLiteral> AS ?geom2)" + "    BIND( spatialF:nearby(?geom1, ?geom2, 200, <http://www.opengis.net/def/uom/OGC/1.0/kilometer>) AS ?result) \n" + "}ORDER by ?result";
    List<Literal> results = new ArrayList<>();
    try (QueryExecution qe = QueryExecutionFactory.create(query, dataset)) {
        ResultSet rs = qe.execSelect();
        while (rs.hasNext()) {
            QuerySolution qs = rs.nextSolution();
            Literal result = qs.getLiteral("result");
            results.add(result);
        }
    }
    List<Literal> expResults = Arrays.asList(ResourceFactory.createTypedLiteral(Boolean.FALSE.toString(), XSDDatatype.XSDboolean));
    // 
    // 
    assertEquals(expResults, results);
}

Example 90 with QuerySolution

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

the class TestDatasetWithLuceneStoredLiterals method doTestSearchWithLiteralsMultiple.

protected List<Node> doTestSearchWithLiteralsMultiple(String turtle, String queryString, String expectedEntityURI) {
    List<Node> literals = new LinkedList<>();
    Model model = dataset.getDefaultModel();
    Reader reader = new StringReader(turtle);
    dataset.begin(ReadWrite.WRITE);
    model.read(reader, "", "TURTLE");
    dataset.commit();
    Query query = QueryFactory.create(queryString);
    dataset.begin(ReadWrite.READ);
    try (QueryExecution qexec = QueryExecutionFactory.create(query, dataset)) {
        ResultSet results = qexec.execSelect();
        while (results.hasNext()) {
            QuerySolution soln = results.nextSolution();
            String entityURI = soln.getResource("s").getURI();
            assertEquals(expectedEntityURI, entityURI);
            Literal literal = soln.getLiteral("literal");
            assertNotNull(literal);
            literals.add(literal.asNode());
        }
    } finally {
        dataset.end();
    }
    return literals;
}