Examples with Trip com.conveyal.gtfs.model.Trip used on opensource projects

Example 6 with Trip

use of com.conveyal.gtfs.model.Trip in project graphhopper by graphhopper.

the class GtfsReader method buildPtNetwork.

private void buildPtNetwork() {
    HashMultimap<String, Trip> blockTrips = HashMultimap.create();
    for (Trip trip : feed.trips.values()) {
        if (trip.block_id != null) {
            blockTrips.put(trip.block_id, trip);
        } else {
            blockTrips.put("non-block-trip" + trip.trip_id, trip);
        }
    }
    blockTrips.asMap().values().forEach(unsortedTrips -> {
        List<TripWithStopTimes> trips = unsortedTrips.stream().map(trip -> {
            Service service = feed.services.get(trip.service_id);
            BitSet validOnDay = new BitSet((int) DAYS.between(startDate, endDate));
            for (LocalDate date = startDate; !date.isAfter(endDate); date = date.plusDays(1)) {
                if (service.activeOn(date)) {
                    validOnDay.set((int) DAYS.between(startDate, date));
                }
            }
            ArrayList<StopTime> stopTimes = new ArrayList<>();
            getInterpolatedStopTimesForTrip(trip.trip_id).forEach(stopTimes::add);
            return new TripWithStopTimes(trip, stopTimes, validOnDay, Collections.emptySet(), Collections.emptySet());
        }).sorted(Comparator.comparingInt(trip -> trip.stopTimes.iterator().next().departure_time)).collect(Collectors.toList());
        if (trips.stream().map(trip -> feed.getFrequencies(trip.trip.trip_id)).distinct().count() != 1) {
            throw new RuntimeException("Found a block with frequency-based trips. Not supported.");
        }
        ZoneId zoneId = ZoneId.of(feed.agency.get(feed.routes.get(trips.iterator().next().trip.route_id).agency_id).agency_timezone);
        Collection<Frequency> frequencies = feed.getFrequencies(trips.iterator().next().trip.trip_id);
        if (frequencies.isEmpty()) {
            addTrips(zoneId, trips, 0, false);
        } else {
            for (Frequency frequency : frequencies) {
                for (int time = frequency.start_time; time < frequency.end_time; time += frequency.headway_secs) {
                    addTrips(zoneId, trips, time, true);
                }
            }
        }
    });
    wireUpStops();
}

Example 7 with Trip

use of com.conveyal.gtfs.model.Trip in project graphhopper by graphhopper.

the class RealtimeFeed method fromProtobuf.

public static RealtimeFeed fromProtobuf(GraphHopperStorage graphHopperStorage, GtfsStorage staticGtfs, Map<String, Transfers> transfers, Map<String, GtfsRealtime.FeedMessage> feedMessages) {
    final IntHashSet blockedEdges = new IntHashSet();
    final IntLongHashMap delaysForBoardEdges = new IntLongHashMap();
    final IntLongHashMap delaysForAlightEdges = new IntLongHashMap();
    final LinkedList<PtGraph.PtEdge> additionalEdges = new LinkedList<>();
    final GtfsReader.PtGraphOut overlayGraph = new GtfsReader.PtGraphOut() {

        int nextEdge = staticGtfs.getPtGraph().getEdgeCount();

        int nextNode = staticGtfs.getPtGraph().getNodeCount();

        @Override
        public int createEdge(int src, int dest, PtEdgeAttributes attrs) {
            int edgeId = nextEdge++;
            additionalEdges.add(new PtGraph.PtEdge(edgeId, src, dest, attrs));
            return edgeId;
        }

        @Override
        public int createNode() {
            return nextNode++;
        }
    };
    feedMessages.forEach((feedKey, feedMessage) -> {
        GTFSFeed feed = staticGtfs.getGtfsFeeds().get(feedKey);
        ZoneId timezone = ZoneId.of(feed.agency.values().stream().findFirst().get().agency_timezone);
        PtGraph ptGraphNodesAndEdges = staticGtfs.getPtGraph();
        final GtfsReader gtfsReader = new GtfsReader(feedKey, graphHopperStorage, ptGraphNodesAndEdges, overlayGraph, staticGtfs, null, transfers.get(feedKey), null);
        Instant timestamp = Instant.ofEpochSecond(feedMessage.getHeader().getTimestamp());
        // FIXME
        LocalDate dateToChange = timestamp.atZone(timezone).toLocalDate();
        BitSet validOnDay = new BitSet();
        LocalDate startDate = feed.getStartDate();
        validOnDay.set((int) DAYS.between(startDate, dateToChange));
        feedMessage.getEntityList().stream().filter(GtfsRealtime.FeedEntity::hasTripUpdate).map(GtfsRealtime.FeedEntity::getTripUpdate).filter(tripUpdate -> tripUpdate.getTrip().getScheduleRelationship() == GtfsRealtime.TripDescriptor.ScheduleRelationship.SCHEDULED).forEach(tripUpdate -> {
            Collection<Frequency> frequencies = feed.getFrequencies(tripUpdate.getTrip().getTripId());
            int timeOffset = (tripUpdate.getTrip().hasStartTime() && !frequencies.isEmpty()) ? LocalTime.parse(tripUpdate.getTrip().getStartTime()).toSecondOfDay() : 0;
            final int[] boardEdges = findBoardEdgesForTrip(staticGtfs, feedKey, feed, tripUpdate);
            final int[] leaveEdges = findLeaveEdgesForTrip(staticGtfs, feedKey, feed, tripUpdate);
            if (boardEdges == null || leaveEdges == null) {
                logger.warn("Trip not found: {}", tripUpdate.getTrip());
                return;
            }
            tripUpdate.getStopTimeUpdateList().stream().filter(stopTimeUpdate -> stopTimeUpdate.getScheduleRelationship() == SKIPPED).mapToInt(GtfsRealtime.TripUpdate.StopTimeUpdate::getStopSequence).forEach(skippedStopSequenceNumber -> {
                blockedEdges.add(boardEdges[skippedStopSequenceNumber]);
                blockedEdges.add(leaveEdges[skippedStopSequenceNumber]);
            });
            GtfsReader.TripWithStopTimes tripWithStopTimes = toTripWithStopTimes(feed, tripUpdate);
            tripWithStopTimes.stopTimes.forEach(stopTime -> {
                if (stopTime.stop_sequence > leaveEdges.length - 1) {
                    logger.warn("Stop sequence number too high {} vs {}", stopTime.stop_sequence, leaveEdges.length);
                    return;
                }
                final StopTime originalStopTime = feed.stop_times.get(new Fun.Tuple2(tripUpdate.getTrip().getTripId(), stopTime.stop_sequence));
                int arrivalDelay = stopTime.arrival_time - originalStopTime.arrival_time;
                delaysForAlightEdges.put(leaveEdges[stopTime.stop_sequence], arrivalDelay * 1000);
                int departureDelay = stopTime.departure_time - originalStopTime.departure_time;
                if (departureDelay > 0) {
                    int boardEdge = boardEdges[stopTime.stop_sequence];
                    int departureNode = ptGraphNodesAndEdges.edge(boardEdge).getAdjNode();
                    int delayedBoardEdge = gtfsReader.addDelayedBoardEdge(timezone, tripUpdate.getTrip(), stopTime.stop_sequence, stopTime.departure_time + timeOffset, departureNode, validOnDay);
                    delaysForBoardEdges.put(delayedBoardEdge, departureDelay * 1000);
                }
            });
        });
        feedMessage.getEntityList().stream().filter(GtfsRealtime.FeedEntity::hasTripUpdate).map(GtfsRealtime.FeedEntity::getTripUpdate).filter(tripUpdate -> tripUpdate.getTrip().getScheduleRelationship() == GtfsRealtime.TripDescriptor.ScheduleRelationship.ADDED).forEach(tripUpdate -> {
            Trip trip = new Trip();
            trip.trip_id = tripUpdate.getTrip().getTripId();
            trip.route_id = tripUpdate.getTrip().getRouteId();
            final List<StopTime> stopTimes = tripUpdate.getStopTimeUpdateList().stream().map(stopTimeUpdate -> {
                final StopTime stopTime = new StopTime();
                stopTime.stop_sequence = stopTimeUpdate.getStopSequence();
                stopTime.stop_id = stopTimeUpdate.getStopId();
                stopTime.trip_id = trip.trip_id;
                final ZonedDateTime arrival_time = Instant.ofEpochSecond(stopTimeUpdate.getArrival().getTime()).atZone(timezone);
                stopTime.arrival_time = (int) Duration.between(arrival_time.truncatedTo(ChronoUnit.DAYS), arrival_time).getSeconds();
                final ZonedDateTime departure_time = Instant.ofEpochSecond(stopTimeUpdate.getArrival().getTime()).atZone(timezone);
                stopTime.departure_time = (int) Duration.between(departure_time.truncatedTo(ChronoUnit.DAYS), departure_time).getSeconds();
                return stopTime;
            }).collect(Collectors.toList());
            GtfsReader.TripWithStopTimes tripWithStopTimes = new GtfsReader.TripWithStopTimes(trip, stopTimes, validOnDay, Collections.emptySet(), Collections.emptySet());
            gtfsReader.addTrip(timezone, 0, new ArrayList<>(), tripWithStopTimes, tripUpdate.getTrip());
        });
        gtfsReader.wireUpAdditionalDeparturesAndArrivals(timezone);
    });
    return new RealtimeFeed(feedMessages, blockedEdges, delaysForBoardEdges, delaysForAlightEdges, additionalEdges);
}

Example 8 with Trip

use of com.conveyal.gtfs.model.Trip in project graphhopper by graphhopper.

the class RealtimeFeed method findBoardEdgesForTrip.

private static int[] findBoardEdgesForTrip(GtfsStorage staticGtfs, String feedKey, GTFSFeed feed, GtfsRealtime.TripUpdate tripUpdate) {
    Trip trip = feed.trips.get(tripUpdate.getTrip().getTripId());
    StopTime next = feed.getOrderedStopTimesForTrip(trip.trip_id).iterator().next();
    int station = staticGtfs.getStationNodes().get(new GtfsStorage.FeedIdWithStopId(feedKey, next.stop_id));
    Optional<PtGraph.PtEdge> firstBoarding = StreamSupport.stream(staticGtfs.getPtGraph().edgesAround(station).spliterator(), false).flatMap(e -> StreamSupport.stream(staticGtfs.getPtGraph().edgesAround(e.getAdjNode()).spliterator(), false)).flatMap(e -> StreamSupport.stream(staticGtfs.getPtGraph().edgesAround(e.getAdjNode()).spliterator(), false)).filter(e -> e.getType() == GtfsStorage.EdgeType.BOARD).filter(e -> normalize(e.getAttrs().tripDescriptor).equals(tripUpdate.getTrip())).findAny();
    int n = firstBoarding.get().getAdjNode();
    Stream<PtGraph.PtEdge> boardEdges = evenIndexed(nodes(hopDwellChain(staticGtfs, n))).mapToObj(e -> boardForAdjNode(staticGtfs, e));
    return collectWithPadding(boardEdges);
}