Examples with Event org.apache.rya.indexing.geotemporal.model.Event used on opensource projects

Example 11 with Event

use of org.apache.rya.indexing.geotemporal.model.Event 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 12 with Event

use of org.apache.rya.indexing.geotemporal.model.Event 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);
    }
}