Examples with MapBindingSet org.openrdf.query.impl.MapBindingSet used on opensource projects

Example 61 with MapBindingSet

use of org.openrdf.query.impl.MapBindingSet in project incubator-rya by apache.

the class HistoricStreamingVisibilityIT method historicResults.

/**
 * Ensure historic matches are included in the result.
 */
@Test
public void historicResults() throws Exception {
    // A query that finds people who talk to Eve and work at Chipotle.
    final String sparql = "SELECT ?x " + "WHERE { " + "?x <http://talksTo> <http://Eve>. " + "?x <http://worksAt> <http://Chipotle>." + "}";
    final Connector accumuloConn = super.getAccumuloConnector();
    accumuloConn.securityOperations().changeUserAuthorizations(getUsername(), new Authorizations("U", "V", "W"));
    final AccumuloRyaDAO dao = new AccumuloRyaDAO();
    dao.setConnector(accumuloConn);
    dao.setConf(makeConfig());
    dao.init();
    // Triples that are loaded into Rya before the PCJ is created.
    final ValueFactory vf = new ValueFactoryImpl();
    final Set<RyaStatement> historicTriples = Sets.newHashSet(makeRyaStatement(vf.createStatement(vf.createURI("http://Alice"), vf.createURI("http://talksTo"), vf.createURI("http://Eve")), "U"), makeRyaStatement(vf.createStatement(vf.createURI("http://Bob"), vf.createURI("http://talksTo"), vf.createURI("http://Eve")), "V"), makeRyaStatement(vf.createStatement(vf.createURI("http://Charlie"), vf.createURI("http://talksTo"), vf.createURI("http://Eve")), "W"), makeRyaStatement(vf.createStatement(vf.createURI("http://Eve"), vf.createURI("http://helps"), vf.createURI("http://Kevin")), "U"), makeRyaStatement(vf.createStatement(vf.createURI("http://Bob"), vf.createURI("http://worksAt"), vf.createURI("http://Chipotle")), "W"), makeRyaStatement(vf.createStatement(vf.createURI("http://Charlie"), vf.createURI("http://worksAt"), vf.createURI("http://Chipotle")), "V"), makeRyaStatement(vf.createStatement(vf.createURI("http://Eve"), vf.createURI("http://worksAt"), vf.createURI("http://Chipotle")), "U"), makeRyaStatement(vf.createStatement(vf.createURI("http://David"), vf.createURI("http://worksAt"), vf.createURI("http://Chipotle")), "V"));
    dao.add(historicTriples.iterator());
    dao.flush();
    // The expected results of the SPARQL query once the PCJ has been computed.
    final Set<BindingSet> expected = new HashSet<>();
    MapBindingSet bs = new MapBindingSet();
    bs.addBinding("x", vf.createURI("http://Bob"));
    expected.add(bs);
    bs = new MapBindingSet();
    bs.addBinding("x", vf.createURI("http://Charlie"));
    expected.add(bs);
    // Create the PCJ table.
    final PrecomputedJoinStorage pcjStorage = new AccumuloPcjStorage(accumuloConn, getRyaInstanceName());
    final String pcjId = pcjStorage.createPcj(sparql);
    try (FluoClient fluoClient = FluoFactory.newClient(super.getFluoConfiguration())) {
        new CreateFluoPcj().withRyaIntegration(pcjId, pcjStorage, fluoClient, accumuloConn, getRyaInstanceName());
    }
    // Verify the end results of the query match the expected results.
    super.getMiniFluo().waitForObservers();
    final Set<BindingSet> results = Sets.newHashSet(pcjStorage.listResults(pcjId));
    Assert.assertEquals(expected, results);
}

Example 62 with MapBindingSet

use of org.openrdf.query.impl.MapBindingSet in project incubator-rya by apache.

the class EventQueryNode2IT method evaluate_variableSubject.

@Test
public void evaluate_variableSubject() throws Exception {
    final EventStorage storage = new MongoEventStorage(super.getMongoClient(), "testDB");
    RyaURI subject = new RyaURI("urn:event-1111");
    Geometry geo = GF.createPoint(new Coordinate(1, 1));
    final TemporalInstant temp = new TemporalInstantRfc3339(2015, 12, 30, 12, 00, 0);
    final Event event = Event.builder().setSubject(subject).setGeometry(geo).setTemporalInstant(temp).build();
    subject = new RyaURI("urn:event-2222");
    geo = GF.createPoint(new Coordinate(-1, -1));
    final Event otherEvent = Event.builder().setSubject(subject).setGeometry(geo).setTemporalInstant(temp).build();
    storage.create(event);
    storage.create(otherEvent);
    final String query = "PREFIX time: <http://www.w3.org/2006/time#> \n" + "PREFIX tempo: <tag:rya-rdf.org,2015:temporal#> \n" + "PREFIX geo: <http://www.opengis.net/ont/geosparql#>" + "PREFIX geof: <http://www.opengis.net/def/function/geosparql/>" + "SELECT ?event ?time ?point ?wkt " + "WHERE { " + "  ?event time:atTime ?time . " + "  ?event geo:asWKT ?wkt . " + "  FILTER(geof:sfWithin(?wkt, \"POLYGON((-3 -2, -3 2, 1 2, 1 -2, -3 -2))\"^^geo:wktLiteral)) " + "  FILTER(tempo:equals(?time, \"2015-12-30T12:00:00Z\")) " + "}";
    final EventQueryNode node = buildNode(storage, query);
    final CloseableIteration<BindingSet, QueryEvaluationException> rez = node.evaluate(new MapBindingSet());
    final MapBindingSet expected1 = new MapBindingSet();
    expected1.addBinding("wkt", VF.createLiteral("POINT (1 1)"));
    expected1.addBinding("time", VF.createLiteral(new TemporalInstantRfc3339(2015, 12, 30, 12, 00, 0).toString()));
    final MapBindingSet expected2 = new MapBindingSet();
    expected2.addBinding("wkt", VF.createLiteral("POINT (-1 -1)"));
    expected2.addBinding("time", VF.createLiteral(new TemporalInstantRfc3339(2015, 12, 30, 12, 00, 0).toString()));
    final List<BindingSet> actual = new ArrayList<>();
    while (rez.hasNext()) {
        actual.add(rez.next());
    }
    assertEquals(expected1, actual.get(0));
    assertEquals(expected2, actual.get(1));
    assertEquals(2, actual.size());
}

Example 63 with MapBindingSet

use of org.openrdf.query.impl.MapBindingSet in project incubator-rya by apache.

the class EventQueryNode2IT method evaluate_variableSubject_existingBindingsetWrongFilters.

@Test
public void evaluate_variableSubject_existingBindingsetWrongFilters() throws Exception {
    final EventStorage storage = new MongoEventStorage(super.getMongoClient(), "testDB");
    RyaURI subject = new RyaURI("urn:event-1111");
    Geometry geo = GF.createPoint(new Coordinate(1, 1));
    final TemporalInstant temp = new TemporalInstantRfc3339(2015, 12, 30, 12, 00, 0);
    final Event event = Event.builder().setSubject(subject).setGeometry(geo).setTemporalInstant(temp).build();
    subject = new RyaURI("urn:event-2222");
    geo = GF.createPoint(new Coordinate(-10, -10));
    final Event otherEvent = Event.builder().setSubject(subject).setGeometry(geo).setTemporalInstant(temp).build();
    storage.create(event);
    storage.create(otherEvent);
    final String query = "PREFIX time: <http://www.w3.org/2006/time#> \n" + "PREFIX tempo: <tag:rya-rdf.org,2015:temporal#> \n" + "PREFIX geo: <http://www.opengis.net/ont/geosparql#>" + "PREFIX geof: <http://www.opengis.net/def/function/geosparql/>" + "SELECT ?event ?time ?point ?wkt " + "WHERE { " + "  ?event time:atTime ?time . " + "  ?event geo:asWKT ?wkt . " + "  FILTER(geof:sfWithin(?wkt, \"POLYGON((-3 -2, -3 2, 1 2, 1 -2, -3 -2))\"^^geo:wktLiteral)) " + "  FILTER(tempo:equals(?time, \"2015-12-30T12:00:00Z\")) " + "}";
    final EventQueryNode node = buildNode(storage, query);
    final MapBindingSet existingBindings = new MapBindingSet();
    existingBindings.addBinding("event", VF.createURI("urn:event-2222"));
    final CloseableIteration<BindingSet, QueryEvaluationException> rez = node.evaluate(existingBindings);
    final MapBindingSet expected = new MapBindingSet();
    expected.addBinding("wkt", VF.createLiteral("POINT (-1 -1)"));
    expected.addBinding("time", VF.createLiteral(new TemporalInstantRfc3339(2015, 12, 30, 12, 00, 0).toString()));
    assertFalse(rez.hasNext());
}

Example 64 with MapBindingSet

use of org.openrdf.query.impl.MapBindingSet in project incubator-rya by apache.

the class BindingSetStringConverter method convert.

@Override
public BindingSet convert(final String bindingSetString, final VariableOrder varOrder) {
    requireNonNull(bindingSetString);
    requireNonNull(varOrder);
    // If both are empty, return an empty binding set.
    if (bindingSetString.isEmpty() && varOrder.toString().isEmpty()) {
        return new MapBindingSet();
    }
    // Otherwise parse it.
    final String[] bindingStrings = bindingSetString.split(BINDING_DELIM);
    final String[] varOrderArr = varOrder.toArray();
    checkArgument(varOrderArr.length == bindingStrings.length, "The number of Bindings must match the length of the VariableOrder.");
    final QueryBindingSet bindingSet = new QueryBindingSet();
    for (int i = 0; i < bindingStrings.length; i++) {
        final String bindingString = bindingStrings[i];
        if (!NULL_VALUE_STRING.equals(bindingString)) {
            final String name = varOrderArr[i];
            final Value value = toValue(bindingStrings[i]);
            bindingSet.addBinding(name, value);
        }
    }
    return bindingSet;
}

Example 65 with MapBindingSet

use of org.openrdf.query.impl.MapBindingSet in project incubator-rya by apache.

the class AccumuloPcjSerializerTest method serialize_bindingNotInVariableOrder.

/**
 * The BindingSet has more Bindings than there are variables in the variable order.
 * This is the case where a Group By clause does not include all of the Bindings that
 * are in the Binding Set.
 */
@Test
public void serialize_bindingNotInVariableOrder() throws RyaTypeResolverException, BindingSetConversionException {
    // Setup the Binding Set.
    final MapBindingSet originalBindingSet = new MapBindingSet();
    originalBindingSet.addBinding("x", new URIImpl("http://a"));
    originalBindingSet.addBinding("y", new URIImpl("http://b"));
    originalBindingSet.addBinding("z", new URIImpl("http://d"));
    // Setup the variable order.
    final VariableOrder varOrder = new VariableOrder("x", "y");
    // Serialize the Binding Set.
    BindingSetConverter<byte[]> converter = new AccumuloPcjSerializer();
    byte[] serialized = converter.convert(originalBindingSet, varOrder);
    // Deserialize it again.
    BindingSet deserialized = converter.convert(serialized, varOrder);
    // Show that it only contains the bindings that were part of the Variable Order.
    MapBindingSet expected = new MapBindingSet();
    expected.addBinding("x", new URIImpl("http://a"));
    expected.addBinding("y", new URIImpl("http://b"));
    assertEquals(expected, deserialized);
}