Examples with TemporalInstant org.apache.rya.indexing.TemporalInstant used on opensource projects

Example 16 with TemporalInstant

use of org.apache.rya.indexing.TemporalInstant in project incubator-rya by apache.

the class EventDocumentConverter method fromDocument.

@Override
public Event fromDocument(final Document document) throws DocumentConverterException {
    requireNonNull(document);
    final boolean isInstant;
    // Preconditions.
    if (!document.containsKey(SUBJECT)) {
        throw new DocumentConverterException("Could not convert document '" + document + "' because its '" + SUBJECT + "' field is missing.");
    }
    if (document.containsKey(INSTANT)) {
        isInstant = true;
    } else {
        isInstant = false;
    }
    final String subject = document.getString(SUBJECT);
    final Event.Builder builder = new Event.Builder().setSubject(new RyaURI(subject));
    if (document.containsKey(GEO_KEY)) {
        final Document geoObj = (Document) document.get(GEO_KEY);
        final GeometryFactory geoFact = new GeometryFactory();
        final String typeString = (String) geoObj.get("type");
        final CoordinateList coords = new CoordinateList();
        final Geometry geo;
        if (typeString.equals("Point")) {
            final List<Double> point = (List<Double>) geoObj.get("coordinates");
            final Coordinate coord = new Coordinate(point.get(0), point.get(1));
            geo = geoFact.createPoint(coord);
        } else if (typeString.equals("LineString")) {
            final List<List<Double>> pointsList = (List<List<Double>>) geoObj.get("coordinates");
            for (final List<Double> point : pointsList) {
                coords.add(new Coordinate(point.get(0), point.get(1)));
            }
            geo = geoFact.createLineString(coords.toCoordinateArray());
        } else {
            final List<List<List<Double>>> pointsList = (List<List<List<Double>>>) geoObj.get("coordinates");
            if (pointsList.size() == 1) {
                final List<List<Double>> poly = pointsList.get(0);
                for (final List<Double> point : poly) {
                    coords.add(new Coordinate(point.get(0), point.get(1)));
                }
                geo = geoFact.createPolygon(coords.toCoordinateArray());
            } else {
                final List<List<Double>> first = pointsList.get(0);
                final CoordinateList shellCoords = new CoordinateList();
                for (final List<Double> point : pointsList.get(0)) {
                    shellCoords.add(new Coordinate(point.get(0), point.get(1)));
                }
                final LinearRing shell = geoFact.createLinearRing(shellCoords.toCoordinateArray());
                final List<List<List<Double>>> holesPoints = pointsList.subList(1, pointsList.size() - 1);
                final LinearRing[] holes = new LinearRing[holesPoints.size()];
                for (int ii = 0; ii < holes.length; ii++) {
                    final List<List<Double>> holePoints = holesPoints.get(ii);
                    final CoordinateList shells = new CoordinateList();
                    for (final List<Double> point : pointsList.get(0)) {
                        shells.add(new Coordinate(point.get(0), point.get(1)));
                    }
                    holes[ii] = geoFact.createLinearRing(shells.toCoordinateArray());
                }
                geo = geoFact.createPolygon(shell, holes);
            }
        }
        builder.setGeometry(geo);
    }
    if (isInstant) {
        // we already know the key exists
        final Date date = (Date) document.get(INSTANT);
        final DateTime dt = new DateTime(date.getTime());
        final TemporalInstant instant = new TemporalInstantRfc3339(dt);
        builder.setTemporalInstant(instant);
    } else if (document.containsKey(INTERVAL_START)) {
        Date date = (Date) document.get(INTERVAL_START);
        DateTime dt = new DateTime(date.getTime());
        final TemporalInstant begining = new TemporalInstantRfc3339(dt);
        date = (Date) document.get(INTERVAL_END);
        dt = new DateTime(date.getTime());
        final TemporalInstant end = new TemporalInstantRfc3339(dt);
        final TemporalInterval interval = new TemporalInterval(begining, end);
        builder.setTemporalInterval(interval);
    }
    return builder.build();
}

Example 17 with TemporalInstant

use of org.apache.rya.indexing.TemporalInstant in project incubator-rya by apache.

the class EventQueryNode2IT method evaluate_constantSubject.

@Test
public void evaluate_constantSubject() throws Exception {
    final EventStorage storage = new MongoEventStorage(super.getMongoClient(), "testDB");
    RyaURI subject = new RyaURI("urn:event-1111");
    final 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");
    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 { " + "  <urn:event-1111> time:atTime ?time . " + "  <urn:event-1111> geo:asWKT ?wkt . " + "  FILTER(geof:sfWithin(?wkt, \"POLYGON((-3 -2, -3 2, 1 2, 1 -2, -3 -2))\"^^geo:wktLiteral)) " + "  FILTER(tempo:equals(?time, \"" + temp.toString() + "\")) " + "}";
    final EventQueryNode node = buildNode(storage, query);
    final CloseableIteration<BindingSet, QueryEvaluationException> rez = node.evaluate(new MapBindingSet());
    final MapBindingSet expected = new MapBindingSet();
    expected.addBinding("wkt", VF.createLiteral("POINT (1 1)"));
    expected.addBinding("time", VF.createLiteral(temp.toString()));
    int count = 0;
    assertTrue(rez.hasNext());
    while (rez.hasNext()) {
        assertEquals(expected, rez.next());
        count++;
    }
    assertEquals(1, count);
}

Example 18 with TemporalInstant

use of org.apache.rya.indexing.TemporalInstant in project incubator-rya by apache.

the class EventQueryNode2IT method evaluate_variableSubject_existingBindingset.

@Test
public void evaluate_variableSubject_existingBindingset() 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 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()));
    final List<BindingSet> actual = new ArrayList<>();
    while (rez.hasNext()) {
        actual.add(rez.next());
    }
    assertEquals(1, actual.size());
    assertEquals(expected, actual.get(0));
}

Example 19 with TemporalInstant

use of org.apache.rya.indexing.TemporalInstant in project incubator-rya by apache.

the class GeoTemporalMongoDBStorageStrategy method getTemporalObjs.

private DBObject[] getTemporalObjs(final Collection<IndexingExpr> temporalFilters) {
    final List<DBObject> objs = new ArrayList<>();
    temporalFilters.forEach(filter -> {
        final TemporalPolicy policy = TemporalPolicy.fromURI(filter.getFunction());
        final String timeStr = ((Value) filter.getArguments()[0]).stringValue();
        final Matcher matcher = TemporalInstantRfc3339.PATTERN.matcher(timeStr);
        if (matcher.find()) {
            final TemporalInterval interval = TemporalInstantRfc3339.parseInterval(timeStr);
            if (policy == TemporalPolicy.INSTANT_AFTER_INSTANT || policy == TemporalPolicy.INSTANT_BEFORE_INSTANT || policy == TemporalPolicy.INSTANT_EQUALS_INSTANT) {
                if (interval == null) {
                    LOG.error("Cannot perform temporal interval based queries on an instant.");
                }
            }
            objs.add(getTemporalObject(interval, policy));
        } else {
            final TemporalInstant instant = new TemporalInstantRfc3339(DateTime.parse(timeStr));
            if (policy != TemporalPolicy.INSTANT_AFTER_INSTANT && policy != TemporalPolicy.INSTANT_BEFORE_INSTANT && policy != TemporalPolicy.INSTANT_EQUALS_INSTANT) {
                LOG.error("Cannot perform temporal instant based queries on an interval.");
            }
            objs.add(getTemporalObject(instant, policy));
        }
    });
    return objs.toArray(new DBObject[] {});
}

Example 20 with TemporalInstant

use of org.apache.rya.indexing.TemporalInstant in project incubator-rya by apache.

the class MongoGeoTemporalIndexer method deleteStatement.

@Override
public void deleteStatement(final RyaStatement statement) throws IOException {
    requireNonNull(statement);
    final RyaURI subject = statement.getSubject();
    try {
        final EventStorage eventStore = events.get();
        checkState(events != null, "Must set this indexers configuration before storing statements.");
        new EventUpdater(eventStore).update(subject, old -> {
            final Event.Builder updated;
            if (!old.isPresent()) {
                return Optional.empty();
            } else {
                updated = Event.builder(old.get());
            }
            final Event currentEvent = updated.build();
            final URI pred = statement.getObject().getDataType();
            if ((pred.equals(GeoConstants.GEO_AS_WKT) || pred.equals(GeoConstants.GEO_AS_GML) || pred.equals(GeoConstants.XMLSCHEMA_OGC_WKT) || pred.equals(GeoConstants.XMLSCHEMA_OGC_GML)) && currentEvent.getGeometry().isPresent()) {
                // is geo and needs to be removed.
                try {
                    if (currentEvent.getGeometry().get().equals(GeoParseUtils.getGeometry(RyaToRdfConversions.convertStatement(statement), new GmlParser()))) {
                        updated.setGeometry(null);
                    }
                } catch (final Exception e) {
                    LOG.debug("Unable to parse the stored geometry.");
                }
            } else {
                // is time
                final String dateTime = statement.getObject().getData();
                final Matcher matcher = TemporalInstantRfc3339.PATTERN.matcher(dateTime);
                if (matcher.find()) {
                    final TemporalInterval interval = TemporalInstantRfc3339.parseInterval(dateTime);
                    if (currentEvent.getInterval().get().equals(interval)) {
                        updated.setTemporalInterval(null);
                    }
                } else {
                    final TemporalInstant instant = new TemporalInstantRfc3339(DateTime.parse(dateTime));
                    if (currentEvent.getInstant().get().equals(instant)) {
                        updated.setTemporalInstant(null);
                    }
                }
            }
            return Optional.of(updated.build());
        });
    } catch (final IndexingException e) {
        throw new IOException("Failed to update the Entity index.", e);
    }
}