Examples with BlockInstance org.onebusaway.transit_data_federation.services.blocks.BlockInstance used on opensource projects

Example 1 with BlockInstance

use of org.onebusaway.transit_data_federation.services.blocks.BlockInstance in project onebusaway-application-modules by camsys.

the class TripStatusBeanServiceImpl method getTripsForId.

@Override
public ListBean<TripDetailsBean> getTripsForId(TripDetailsQueryBean query) {
    AgencyAndId tripId = AgencyAndIdLibrary.convertFromString(query.getTripId());
    long serviceDate = query.getServiceDate();
    AgencyAndId vehicleId = AgencyAndIdLibrary.convertFromString(query.getVehicleId());
    long time = query.getTime();
    TripEntry tripEntry = _transitGraphDao.getTripEntryForId(tripId);
    if (tripEntry == null)
        return new ListBean<TripDetailsBean>();
    Map<BlockInstance, List<BlockLocation>> locationsByInstance = _blockStatusService.getBlocks(tripEntry.getBlock().getId(), serviceDate, vehicleId, time);
    List<TripDetailsBean> tripDetails = new ArrayList<TripDetailsBean>();
    for (Map.Entry<BlockInstance, List<BlockLocation>> entry : locationsByInstance.entrySet()) {
        BlockInstance blockInstance = entry.getKey();
        List<BlockLocation> locations = entry.getValue();
        BlockTripInstance blockTripInstance = BlockTripInstanceLibrary.getBlockTripInstance(blockInstance, tripId);
        if (blockTripInstance == null)
            throw new IllegalStateException("expected blockTrip for trip=" + tripEntry + " and block=" + blockInstance);
        /**
         * If we have no locations for the specified block instance, it means the
         * block is not currently active. But we can still attempt to construct a
         * trip details
         */
        if (locations.isEmpty()) {
            TripDetailsBean details = getTripEntryAndBlockLocationAsTripDetails(blockTripInstance, null, query.getInclusion(), time);
            tripDetails.add(details);
        } else {
            for (BlockLocation location : locations) {
                TripDetailsBean details = getBlockLocationAsTripDetails(blockTripInstance, location, query.getInclusion(), time);
                tripDetails.add(details);
            }
        }
    }
    return new ListBean<TripDetailsBean>(tripDetails, false);
}

Example 2 with BlockInstance

use of org.onebusaway.transit_data_federation.services.blocks.BlockInstance in project onebusaway-application-modules by camsys.

the class BlockCalendarServiceImpl method findBlockTripsInRange.

private void findBlockTripsInRange(ServiceIntervalBlock intervals, Date serviceDate, Date timeFrom, Date timeTo, List<BlockTripEntry> trips, Collection<BlockInstance> instances) {
    int scheduledTimeFrom = (int) ((timeFrom.getTime() - serviceDate.getTime()) / 1000);
    int scheduledTimeTo = (int) ((timeTo.getTime() - serviceDate.getTime()) / 1000);
    int indexFrom = index(Arrays.binarySearch(intervals.getMaxDepartures(), scheduledTimeFrom));
    int indexTo = index(Arrays.binarySearch(intervals.getMinArrivals(), scheduledTimeTo));
    InstanceState state = new InstanceState(serviceDate.getTime());
    for (int in = indexFrom; in < indexTo; in++) {
        BlockTripEntry trip = trips.get(in);
        BlockConfigurationEntry block = trip.getBlockConfiguration();
        BlockInstance instance = new BlockInstance(block, state);
        instances.add(instance);
    }
}

Example 3 with BlockInstance

use of org.onebusaway.transit_data_federation.services.blocks.BlockInstance in project onebusaway-application-modules by camsys.

the class GtfsRealtimeServiceImpl method getTripUpdates.

@Override
public FeedMessage getTripUpdates() {
    FeedMessage.Builder feedMessage = createFeedWithDefaultHeader();
    List<BlockLocation> activeBlocks = _blockStatusService.getAllActiveBlocks(SystemTime.currentTimeMillis());
    for (BlockLocation activeBlock : activeBlocks) {
        // Only interested in blocks with real-time data
        if (!activeBlock.isPredicted())
            continue;
        // Only interested in blocks with a next stop
        BlockStopTimeEntry nextBlockStop = activeBlock.getNextStop();
        if (nextBlockStop == null)
            continue;
        // Only interested in blocks with a schedule deviation set
        if (!activeBlock.isScheduleDeviationSet())
            continue;
        TripUpdate.Builder tripUpdate = TripUpdate.newBuilder();
        BlockTripEntry activeBlockTrip = nextBlockStop.getTrip();
        TripEntry activeTrip = activeBlockTrip.getTrip();
        if (activeBlock.getTimepointPredictions() != null && activeBlock.getTimepointPredictions().size() > 0) {
            // If multiple stoptime predictions were originally obtained,
            // pass them through as received
            List<TimepointPredictionRecord> timepointPredictions = activeBlock.getTimepointPredictions();
            for (TimepointPredictionRecord tpr : timepointPredictions) {
                StopTimeUpdate.Builder stopTimeUpdate = StopTimeUpdate.newBuilder();
                stopTimeUpdate.setStopId(AgencyAndId.convertToString(tpr.getTimepointId()));
                stopTimeUpdate.setScheduleRelationship(com.google.transit.realtime.GtfsRealtime.TripUpdate.StopTimeUpdate.ScheduleRelationship.SCHEDULED);
                if (tpr.getTimepointPredictedArrivalTime() != -1) {
                    StopTimeEvent.Builder arrivalStopTimeEvent = StopTimeEvent.newBuilder();
                    arrivalStopTimeEvent.setTime(tpr.getTimepointPredictedArrivalTime());
                    stopTimeUpdate.setArrival(arrivalStopTimeEvent);
                }
                if (tpr.getTimepointPredictedDepartureTime() != -1) {
                    StopTimeEvent.Builder departureStopTimeEvent = StopTimeEvent.newBuilder();
                    departureStopTimeEvent.setTime(tpr.getTimepointPredictedDepartureTime());
                    stopTimeUpdate.setDeparture(departureStopTimeEvent);
                }
                tripUpdate.addStopTimeUpdate(stopTimeUpdate);
            }
        } else {
            // No matter what our active trip is, we let our current trip be the the
            // trip of our next stop
            StopTimeEntry nextStopTime = nextBlockStop.getStopTime();
            StopEntry stop = nextStopTime.getStop();
            StopTimeUpdate.Builder stopTimeUpdate = StopTimeUpdate.newBuilder();
            stopTimeUpdate.setStopId(AgencyAndId.convertToString(stop.getId()));
            stopTimeUpdate.setStopSequence(nextStopTime.getSequence());
            stopTimeUpdate.setScheduleRelationship(com.google.transit.realtime.GtfsRealtime.TripUpdate.StopTimeUpdate.ScheduleRelationship.SCHEDULED);
            StopTimeEvent.Builder stopTimeEvent = StopTimeEvent.newBuilder();
            stopTimeEvent.setDelay((int) activeBlock.getScheduleDeviation());
            stopTimeUpdate.setDeparture(stopTimeEvent);
            tripUpdate.addStopTimeUpdate(stopTimeUpdate);
        }
        AgencyAndId routeId = activeTrip.getRouteCollection().getId();
        AgencyAndId tripId = activeTrip.getId();
        BlockInstance blockInstance = activeBlock.getBlockInstance();
        String startDate = String.format("%1$ty%1$tm%1$td", new Date(blockInstance.getServiceDate()));
        TripDescriptor.Builder tripDescriptor = TripDescriptor.newBuilder();
        tripDescriptor.setRouteId(AgencyAndId.convertToString(routeId));
        tripDescriptor.setScheduleRelationship(ScheduleRelationship.SCHEDULED);
        tripDescriptor.setStartDate(startDate);
        tripDescriptor.setTripId(AgencyAndId.convertToString(tripId));
        tripUpdate.setTrip(tripDescriptor);
        AgencyAndId vehicleId = activeBlock.getVehicleId();
        VehicleDescriptor.Builder vehicleDescriptor = VehicleDescriptor.newBuilder();
        vehicleDescriptor.setId(AgencyAndId.convertToString(vehicleId));
        tripUpdate.setVehicle(vehicleDescriptor);
        FeedEntity.Builder feedEntity = FeedEntity.newBuilder();
        feedEntity.setTripUpdate(tripUpdate);
        feedEntity.setId(vehicleDescriptor.getId());
        feedMessage.addEntity(feedEntity);
    }
    return feedMessage.build();
}

Example 4 with BlockInstance

use of org.onebusaway.transit_data_federation.services.blocks.BlockInstance in project onebusaway-application-modules by camsys.

the class GtfsRealtimeTripLibrary method getTripDescriptorAsBlockDescriptor.

private BlockDescriptor getTripDescriptorAsBlockDescriptor(MonitoredResult result, TripDescriptor trip, long currentTime) {
    if (!trip.hasTripId()) {
        return null;
    }
    TripEntry tripEntry = _entitySource.getTrip(trip.getTripId());
    if (tripEntry == null) {
        if (result != null) {
            _log.debug("reporting unmatched trip with id=" + trip.getTripId());
            result.addUnmatchedTripId(trip.getTripId());
        } else {
            _log.warn("no trip found with id=" + trip.getTripId());
        }
        return null;
    }
    ServiceDate serviceDate = null;
    BlockInstance instance;
    BlockEntry block = tripEntry.getBlock();
    if (trip.hasStartDate() && !"0".equals(trip.getStartDate())) {
        try {
            serviceDate = ServiceDate.parseString(trip.getStartDate());
        } catch (ParseException ex) {
            _log.warn("Could not parse service date " + trip.getStartDate(), ex);
        }
    }
    if (serviceDate != null) {
        instance = _blockCalendarService.getBlockInstance(block.getId(), serviceDate.getAsDate().getTime());
        if (instance == null) {
            _log.warn("block " + block.getId() + " does not exist on service date " + serviceDate);
            return null;
        }
    } else {
        long timeFrom = currentTime - 30 * 60 * 1000;
        long timeTo = currentTime + 30 * 60 * 1000;
        List<BlockInstance> instances = _blockCalendarService.getActiveBlocks(block.getId(), timeFrom, timeTo);
        if (instances.isEmpty()) {
            instances = _blockCalendarService.getClosestActiveBlocks(block.getId(), currentTime);
        }
        if (instances.isEmpty()) {
            _log.warn("could not find any active instances for the specified block=" + block.getId() + " trip=" + trip);
            return null;
        }
        instance = instances.get(0);
    }
    if (serviceDate == null) {
        serviceDate = new ServiceDate(new Date(instance.getServiceDate()));
    }
    BlockDescriptor blockDescriptor = new BlockDescriptor();
    blockDescriptor.setBlockInstance(instance);
    blockDescriptor.setStartDate(serviceDate);
    if (trip.hasScheduleRelationship()) {
        blockDescriptor.setScheduleRelationshipValue(trip.getScheduleRelationship().toString());
    }
    int tripStartTime = 0;
    int blockStartTime = 0;
    if (trip.hasStartTime() && !"0".equals(trip.getStartTime())) {
        try {
            tripStartTime = StopTimeFieldMappingFactory.getStringAsSeconds(trip.getStartTime());
        } catch (InvalidStopTimeException iste) {
            _log.error("invalid stopTime of " + trip.getStartTime() + " for trip " + trip);
        }
        blockStartTime = getBlockStartTimeForTripStartTime(instance, tripEntry.getId(), tripStartTime);
        blockDescriptor.setStartTime(blockStartTime);
    }
    return blockDescriptor;
}

Example 5 with BlockInstance

use of org.onebusaway.transit_data_federation.services.blocks.BlockInstance in project onebusaway-application-modules by camsys.

the class GtfsRealtimeTripLibrary method applyTripUpdatesToRecord.

private void applyTripUpdatesToRecord(MonitoredResult result, BlockDescriptor blockDescriptor, List<TripUpdate> tripUpdates, VehicleLocationRecord record, String vehicleId, String bestTripId) {
    BlockInstance instance = blockDescriptor.getBlockInstance();
    BlockConfigurationEntry blockConfiguration = instance.getBlock();
    List<BlockTripEntry> blockTrips = blockConfiguration.getTrips();
    Map<String, List<TripUpdate>> tripUpdatesByTripId = MappingLibrary.mapToValueList(tripUpdates, "trip.tripId");
    long t = currentTime();
    int currentTime = (int) ((t - instance.getServiceDate()) / 1000);
    BestScheduleDeviation best = new BestScheduleDeviation();
    long lastStopScheduleTime = Long.MIN_VALUE;
    boolean singleTimepointRecord = false;
    List<TimepointPredictionRecord> timepointPredictions = new ArrayList<TimepointPredictionRecord>();
    for (BlockTripEntry blockTrip : blockTrips) {
        TripEntry trip = blockTrip.getTrip();
        AgencyAndId tripId = trip.getId();
        List<TripUpdate> updatesForTrip = tripUpdatesByTripId.get(tripId.getId());
        boolean tripUpdateHasDelay = false;
        // onBestTrip is only relevant if bestTripId is set, which indicates that the TripUpdates
        // came from the vehicleId map (as opposed to block index).
        boolean onBestTrip = bestTripId == null || tripId.getId().equals(bestTripId);
        if (updatesForTrip != null) {
            for (TripUpdate tripUpdate : updatesForTrip) {
                /**
                 * TODO: delete this code once all upstream systems have been
                 * migrated the new "delay" and "timestamp" fields.
                 */
                if (tripUpdate.hasExtension(GtfsRealtimeOneBusAway.obaTripUpdate) && onBestTrip) {
                    OneBusAwayTripUpdate obaTripUpdate = tripUpdate.getExtension(GtfsRealtimeOneBusAway.obaTripUpdate);
                    if (obaTripUpdate.hasDelay()) {
                        /**
                         * TODO: Improved logic around picking the "best" schedule deviation
                         */
                        int delay = obaTripUpdate.getDelay();
                        best.delta = 0;
                        best.isInPast = false;
                        best.scheduleDeviation = delay;
                        best.tripId = tripId;
                        tripUpdateHasDelay = true;
                    }
                    if (obaTripUpdate.hasTimestamp() && onBestTrip) {
                        best.timestamp = obaTripUpdate.getTimestamp() * 1000;
                    }
                }
                if (tripUpdate.hasDelay() && onBestTrip) {
                    /**
                     * TODO: Improved logic around picking the "best" schedule deviation
                     */
                    best.delta = 0;
                    best.isInPast = false;
                    best.scheduleDeviation = tripUpdate.getDelay();
                    best.tripId = tripId;
                    tripUpdateHasDelay = true;
                }
                if (tripUpdate.hasTimestamp() && onBestTrip) {
                    best.timestamp = tripUpdate.getTimestamp() * 1000;
                }
                for (StopTimeUpdate stopTimeUpdate : tripUpdate.getStopTimeUpdateList()) {
                    BlockStopTimeEntry blockStopTime = getBlockStopTimeForStopTimeUpdate(result, tripUpdate, stopTimeUpdate, blockTrip.getStopTimes(), instance.getServiceDate());
                    // loop through and store last stop time on trip
                    List<BlockStopTimeEntry> stopTimes = blockTrip.getStopTimes();
                    for (BlockStopTimeEntry bste : stopTimes) {
                        long scheduleTime = instance.getServiceDate() + bste.getStopTime().getArrivalTime() * 1000;
                        if (scheduleTime > lastStopScheduleTime) {
                            lastStopScheduleTime = scheduleTime;
                        }
                    }
                    if (blockStopTime == null)
                        continue;
                    StopTimeEntry stopTime = blockStopTime.getStopTime();
                    TimepointPredictionRecord tpr = new TimepointPredictionRecord();
                    tpr.setTimepointId(stopTime.getStop().getId());
                    tpr.setTripId(stopTime.getTrip().getId());
                    tpr.setTimepointScheduledTime(instance.getServiceDate() + stopTime.getArrivalTime() * 1000);
                    if (stopTimeUpdate.hasStopSequence()) {
                        tpr.setStopSequence(stopTimeUpdate.getStopSequence());
                    }
                    int currentArrivalTime = computeArrivalTime(stopTime, stopTimeUpdate, instance.getServiceDate());
                    int currentDepartureTime = computeDepartureTime(stopTime, stopTimeUpdate, instance.getServiceDate());
                    if (currentArrivalTime >= 0) {
                        if (onBestTrip) {
                            updateBestScheduleDeviation(currentTime, stopTime.getArrivalTime(), currentArrivalTime, best, tripId, vehicleId);
                        }
                        long timepointPredictedTime = instance.getServiceDate() + (currentArrivalTime * 1000L);
                        tpr.setTimepointPredictedArrivalTime(timepointPredictedTime);
                    }
                    if (currentDepartureTime >= 0) {
                        if (onBestTrip) {
                            updateBestScheduleDeviation(currentTime, stopTime.getDepartureTime(), currentDepartureTime, best, tripId, vehicleId);
                        }
                        long timepointPredictedTime = instance.getServiceDate() + (currentDepartureTime * 1000L);
                        tpr.setTimepointPredictedDepartureTime(timepointPredictedTime);
                    }
                    if (tpr.getTimepointPredictedArrivalTime() != -1 || tpr.getTimepointPredictedDepartureTime() != -1) {
                        timepointPredictions.add(tpr);
                    }
                }
            }
        }
        if (timepointPredictions.size() == 1 && tripUpdates.get(0).getStopTimeUpdateList().size() == 1) {
            singleTimepointRecord = true;
        }
        // tripUpdateHasDelay = true => best.scheduleDeviation is TripUpdate delay
        if ((timepointPredictions.size() > 0 && tripUpdateHasDelay) || singleTimepointRecord) {
            Set<AgencyAndId> records = new HashSet<AgencyAndId>();
            for (TimepointPredictionRecord tpr : timepointPredictions) {
                records.add(tpr.getTimepointId());
            }
            long tprStartTime = getEarliestTimeInRecords(timepointPredictions);
            for (StopTimeEntry stopTime : trip.getStopTimes()) {
                if (records.contains(stopTime.getStop().getId())) {
                    continue;
                }
                long predictionOffset = instance.getServiceDate() + (best.scheduleDeviation * 1000L);
                long predictedDepartureTime = (stopTime.getDepartureTime() * 1000L) + predictionOffset;
                long predictedArrivalTime = (stopTime.getArrivalTime() * 1000L) + predictionOffset;
                long scheduledArrivalTime = instance.getServiceDate() + stopTime.getArrivalTime() * 1000;
                long time = best.timestamp != 0 ? best.timestamp : currentTime();
                /*
             * if the timpepointrecord needs interpolated (one before, one after),
             * OR
             * we have a single Timepoint record and the arrival is
              * in the future and before the last stop
             */
                if ((predictedDepartureTime > time && predictedDepartureTime < tprStartTime) || (singleTimepointRecord && (predictedDepartureTime > time && scheduledArrivalTime <= lastStopScheduleTime))) {
                    TimepointPredictionRecord tpr = new TimepointPredictionRecord();
                    tpr.setTimepointId(stopTime.getStop().getId());
                    tpr.setTripId(stopTime.getTrip().getId());
                    tpr.setStopSequence(stopTime.getGtfsSequence());
                    tpr.setTimepointPredictedArrivalTime(predictedArrivalTime);
                    tpr.setTimepointPredictedDepartureTime(predictedDepartureTime);
                    tpr.setTimepointScheduledTime(scheduledArrivalTime);
                    timepointPredictions.add(tpr);
                }
            }
        }
    }
    record.setServiceDate(instance.getServiceDate());
    if (blockDescriptor.getStartTime() != null) {
        record.setBlockStartTime(blockDescriptor.getStartTime());
    }
    record.setScheduleDeviation(best.scheduleDeviation);
    if (best.timestamp != 0) {
        record.setTimeOfRecord(best.timestamp);
    }
    record.setTimepointPredictions(timepointPredictions);
}