Examples with StopTimeEntry org.onebusaway.transit_data_federation.services.transit_graph.StopTimeEntry used on opensource projects

Example 41 with StopTimeEntry

use of org.onebusaway.transit_data_federation.services.transit_graph.StopTimeEntry in project onebusaway-application-modules by camsys.

the class BlockLocationServiceImpl method getBlockLocation.

/**
 * @param blockInstance
 * @param cacheElements
 * @param scheduledLocation
 * @param targetTime
 * @return null if the effective scheduled block location cannot be determined
 */
private BlockLocation getBlockLocation(BlockInstance blockInstance, VehicleLocationCacheElements cacheElements, ScheduledBlockLocation scheduledLocation, long targetTime) {
    BlockLocation location = new BlockLocation();
    location.setTime(targetTime);
    location.setBlockInstance(blockInstance);
    VehicleLocationCacheElement cacheElement = null;
    if (cacheElements != null)
        cacheElement = cacheElements.getElementForTimestamp(targetTime);
    if (cacheElement != null) {
        VehicleLocationRecord record = cacheElement.getRecord();
        if (scheduledLocation == null)
            scheduledLocation = getScheduledBlockLocationForVehicleLocationCacheRecord(blockInstance, cacheElement, targetTime);
        if (scheduledLocation != null) {
            location.setEffectiveScheduleTime(scheduledLocation.getScheduledTime());
            location.setDistanceAlongBlock(scheduledLocation.getDistanceAlongBlock());
        }
        location.setBlockStartTime(record.getBlockStartTime());
        location.setPredicted(true);
        location.setLastUpdateTime(record.getTimeOfRecord());
        location.setLastLocationUpdateTime(record.getTimeOfLocationUpdate());
        location.setScheduleDeviation(record.getScheduleDeviation());
        location.setScheduleDeviations(cacheElement.getScheduleDeviations());
        if (record.isCurrentLocationSet()) {
            CoordinatePoint p = new CoordinatePoint(record.getCurrentLocationLat(), record.getCurrentLocationLon());
            location.setLastKnownLocation(p);
        }
        location.setOrientation(record.getCurrentOrientation());
        location.setPhase(record.getPhase());
        location.setStatus(record.getStatus());
        location.setVehicleId(record.getVehicleId());
        List<TimepointPredictionRecord> timepointPredictions = record.getTimepointPredictions();
        location.setTimepointPredictions(timepointPredictions);
        if (timepointPredictions != null && !timepointPredictions.isEmpty()) {
            SortedMap<Integer, Double> scheduleDeviations = new TreeMap<Integer, Double>();
            BlockConfigurationEntry blockConfig = blockInstance.getBlock();
            int tprIndexCounter = 0;
            for (TimepointPredictionRecord tpr : timepointPredictions) {
                AgencyAndId stopId = tpr.getTimepointId();
                long predictedTime;
                if (tpr.getTimepointPredictedDepartureTime() != -1) {
                    predictedTime = tpr.getTimepointPredictedDepartureTime();
                } else {
                    predictedTime = tpr.getTimepointPredictedArrivalTime();
                }
                if (stopId == null || predictedTime == 0)
                    continue;
                for (BlockStopTimeEntry blockStopTime : blockConfig.getStopTimes()) {
                    StopTimeEntry stopTime = blockStopTime.getStopTime();
                    StopEntry stop = stopTime.getStop();
                    // StopSequence equals to -1 when there is no stop sequence in the GTFS-rt
                    if (stopId.equals(stop.getId()) && stopTime.getTrip().getId().equals(tpr.getTripId()) && (tpr.getStopSequence() == -1 || stopTime.getSequence() == tpr.getStopSequence())) {
                        if (tpr.getStopSequence() == -1 && isFirstOrLastStopInTrip(stopTime) && isLoopRoute(stopTime)) {
                            if (isSinglePredictionForTrip(timepointPredictions, tpr, tprIndexCounter)) {
                                continue;
                            }
                            // If this isn't the last prediction, and we're on the first stop, then apply it
                            if (isLastPrediction(stopTime, timepointPredictions, tpr, tprIndexCounter) && isFirstStopInRoute(stopTime)) {
                                // Do not calculate schedule deviation
                                continue;
                            }
                            // If this is the last prediction, and we're on the last stop, then apply it
                            if (isFirstPrediction(stopTime, timepointPredictions, tpr, tprIndexCounter) && isLastStopInRoute(stopTime)) {
                                // Do not calculate schedule deviation
                                continue;
                            }
                        }
                        int arrivalOrDepartureTime;
                        // We currently use the scheduled arrival time of the stop as the search index
                        // This MUST be consistent with the index search in ArrivalAndSepartureServiceImpl.getBestScheduleDeviation()
                        int index = stopTime.getArrivalTime();
                        if (tpr.getTimepointPredictedDepartureTime() != -1) {
                            // Prefer departure time, because if both exist departure deviations should be the ones propagated downstream
                            arrivalOrDepartureTime = stopTime.getDepartureTime();
                        } else {
                            arrivalOrDepartureTime = stopTime.getArrivalTime();
                        }
                        int deviation = (int) ((predictedTime - blockInstance.getServiceDate()) / 1000 - arrivalOrDepartureTime);
                        scheduleDeviations.put(index, (double) deviation);
                    }
                }
                tprIndexCounter++;
            }
            double[] scheduleTimes = new double[scheduleDeviations.size()];
            double[] scheduleDeviationMus = new double[scheduleDeviations.size()];
            double[] scheduleDeviationSigmas = new double[scheduleDeviations.size()];
            int index = 0;
            for (Map.Entry<Integer, Double> entry : scheduleDeviations.entrySet()) {
                scheduleTimes[index] = entry.getKey();
                scheduleDeviationMus[index] = entry.getValue();
                index++;
            }
            ScheduleDeviationSamples samples = new ScheduleDeviationSamples(scheduleTimes, scheduleDeviationMus, scheduleDeviationSigmas);
            location.setScheduleDeviations(samples);
        }
    } else {
        if (scheduledLocation == null)
            scheduledLocation = getScheduledBlockLocationForBlockInstance(blockInstance, targetTime);
    }
    /**
     * Will be null in the following cases:
     *
     * 1) When the effective schedule time is beyond the last scheduled stop
     * time for the block.
     *
     * 2) When the effective distance along block is outside the range of the
     * block's shape.
     */
    if (scheduledLocation == null)
        return null;
    // if we have route info, set the vehicleType
    if (scheduledLocation.getActiveTrip() != null && scheduledLocation.getActiveTrip().getTrip() != null && scheduledLocation.getActiveTrip().getTrip().getRoute() != null) {
        location.setVehicleType(EVehicleType.toEnum(scheduledLocation.getActiveTrip().getTrip().getRoute().getType()));
    }
    location.setInService(scheduledLocation.isInService());
    location.setActiveTrip(scheduledLocation.getActiveTrip());
    location.setLocation(scheduledLocation.getLocation());
    location.setOrientation(scheduledLocation.getOrientation());
    location.setScheduledDistanceAlongBlock(scheduledLocation.getDistanceAlongBlock());
    location.setClosestStop(scheduledLocation.getClosestStop());
    location.setClosestStopTimeOffset(scheduledLocation.getClosestStopTimeOffset());
    location.setNextStop(scheduledLocation.getNextStop());
    location.setNextStopTimeOffset(scheduledLocation.getNextStopTimeOffset());
    location.setPreviousStop(scheduledLocation.getPreviousStop());
    return location;
}

Example 42 with StopTimeEntry

use of org.onebusaway.transit_data_federation.services.transit_graph.StopTimeEntry in project onebusaway-application-modules by camsys.

the class BlockLocationServiceImpl method isFirstPrediction.

/**
 * @param stopTime is the current stop
 * @param timepointPredictions is the all time-point predictions in the block
 * @param timepointPredictionRecord is the current tpr for the stop
 * @param index is the index of the current tpr in timepointPredictions
 * @return true if the given tpr is the first prediction for the trip
 */
private boolean isFirstPrediction(StopTimeEntry stopTime, List<TimepointPredictionRecord> timepointPredictions, TimepointPredictionRecord timepointPredictionRecord, int index) {
    List<StopTimeEntry> stopTimes = stopTime.getTrip().getStopTimes();
    AgencyAndId firstStopId = stopTimes.get(0).getStop().getId();
    if (firstStopId.equals(timepointPredictionRecord.getTimepointId()) && stopTime.getTrip().getId().equals(timepointPredictionRecord.getTripId())) {
        return index == 0 || (index > 0 && !timepointPredictions.get(index - 1).getTripId().equals(timepointPredictionRecord.getTripId()));
    }
    return false;
}

Example 43 with StopTimeEntry

use of org.onebusaway.transit_data_federation.services.transit_graph.StopTimeEntry in project onebusaway-application-modules by camsys.

the class GtfsRealtimeTripLibrary method getBlockStopTimeForStopTimeUpdate.

private BlockStopTimeEntry getBlockStopTimeForStopTimeUpdate(MonitoredResult result, TripUpdate tripUpdate, StopTimeUpdate stopTimeUpdate, List<BlockStopTimeEntry> stopTimes, long serviceDate) {
    if (stopTimeUpdate.hasStopSequence()) {
        int stopSequence = stopTimeUpdate.getStopSequence();
        Map<Integer, BlockStopTimeEntry> sequenceToStopTime = MappingLibrary.mapToValue(stopTimes, "stopTime.gtfsSequence");
        if (sequenceToStopTime.containsKey(stopSequence)) {
            BlockStopTimeEntry blockStopTime = sequenceToStopTime.get(stopSequence);
            if (!stopTimeUpdate.hasStopId()) {
                if (result != null) {
                    result.addMatchedStopId(blockStopTime.getStopTime().getStop().getId().getId());
                }
                return blockStopTime;
            }
            String stopTimeUpdateStopId = convertStopId(stopTimeUpdate.getStopId());
            if (blockStopTime.getStopTime().getStop().getId().getId().equals(stopTimeUpdateStopId)) {
                if (result != null) {
                    result.addMatchedStopId(blockStopTime.getStopTime().getStop().getId().getId());
                }
                return blockStopTime;
            }
        // The stop sequence and stop id didn't match, so we fall through to
        // match by stop id if possible
        // we do not log this as it still may match later
        } else {
            _log.debug("StopTimeSequence is out of bounds: stopSequence=" + stopSequence + " tripUpdate=\n" + tripUpdate);
        // sadly we can't report an invalid stop sequence -- we need a stopId
        }
    }
    if (stopTimeUpdate.hasStopId()) {
        int time = getTimeForStopTimeUpdate(stopTimeUpdate, serviceDate);
        String stopId = convertStopId(stopTimeUpdate.getStopId());
        // There could be loops, meaning a stop could appear multiple times along
        // a trip. To get around this.
        Min<BlockStopTimeEntry> bestMatches = new Min<BlockStopTimeEntry>();
        for (BlockStopTimeEntry blockStopTime : stopTimes) {
            if (blockStopTime.getStopTime().getStop().getId().getId().equals(stopId)) {
                StopTimeEntry stopTime = blockStopTime.getStopTime();
                int departureDelta = Math.abs(stopTime.getDepartureTime() - time);
                int arrivalDelta = Math.abs(stopTime.getArrivalTime() - time);
                bestMatches.add(departureDelta, blockStopTime);
                bestMatches.add(arrivalDelta, blockStopTime);
            }
        }
        if (!bestMatches.isEmpty()) {
            if (result != null) {
                result.addMatchedStopId(convertStopId(stopId));
            }
            return bestMatches.getMinElement();
        }
    }
    if (result != null) {
        // if we are here, the stop did not fall on that block
        result.addUnmatchedStopId(convertStopId(stopTimeUpdate.getStopId()));
    }
    return null;
}

Example 44 with StopTimeEntry

use of org.onebusaway.transit_data_federation.services.transit_graph.StopTimeEntry in project onebusaway-application-modules by camsys.

the class BlockIndexServiceImpl method loadStopTripIndices.

private void loadStopTripIndices() {
    // Clear any existing indices
    for (StopEntry stop : _graphDao.getAllStops()) {
        StopEntryImpl stopImpl = (StopEntryImpl) stop;
        stopImpl.getStopTripIndices().clear();
        stopImpl.getFrequencyStopTripIndices().clear();
    }
    for (BlockSequenceIndex index : _blockSequenceIndices) {
        BlockSequence sequence = index.getSequences().get(0);
        int offset = 0;
        for (BlockStopTimeEntry bst : sequence.getStopTimes()) {
            StopTimeEntry stopTime = bst.getStopTime();
            StopEntryImpl stop = (StopEntryImpl) stopTime.getStop();
            BlockStopSequenceIndex blockStopTripIndex = new BlockStopSequenceIndex(index, offset);
            stop.addBlockStopTripIndex(blockStopTripIndex);
            offset++;
        }
    }
    for (FrequencyBlockTripIndex index : _frequencyBlockTripIndices) {
        BlockTripEntry trip = index.getTrips().get(0);
        int offset = 0;
        for (BlockStopTimeEntry bst : trip.getStopTimes()) {
            StopTimeEntry stopTime = bst.getStopTime();
            StopEntryImpl stop = (StopEntryImpl) stopTime.getStop();
            FrequencyStopTripIndex stopTripIndex = new FrequencyStopTripIndex(index, offset);
            stop.addFrequencyStopTripIndex(stopTripIndex);
            offset++;
        }
    }
}

Example 45 with StopTimeEntry

use of org.onebusaway.transit_data_federation.services.transit_graph.StopTimeEntry in project onebusaway-application-modules by camsys.

the class ScheduledBlockLocationServiceImpl method getScheduledBlockLocationBetweenStopTimes.

private ScheduledBlockLocation getScheduledBlockLocationBetweenStopTimes(List<BlockStopTimeEntry> stopTimes, int scheduleTime, int stopTimeIndex) {
    BlockStopTimeEntry blockBefore = stopTimes.get(stopTimeIndex - 1);
    BlockStopTimeEntry blockAfter = stopTimes.get(stopTimeIndex);
    StopTimeEntry before = blockBefore.getStopTime();
    StopTimeEntry after = blockAfter.getStopTime();
    ScheduledBlockLocation result = new ScheduledBlockLocation();
    result.setScheduledTime(scheduleTime);
    result.setInService(true);
    result.setStopTimeIndex(stopTimeIndex);
    int fromTime = before.getDepartureTime();
    int toTime = after.getArrivalTime();
    int fromTimeOffset = fromTime - scheduleTime;
    int toTimeOffset = toTime - scheduleTime;
    if (Math.abs(fromTimeOffset) < Math.abs(toTimeOffset)) {
        result.setClosestStop(blockBefore);
        result.setClosestStopTimeOffset(fromTimeOffset);
    } else {
        result.setClosestStop(blockAfter);
        result.setClosestStopTimeOffset(toTimeOffset);
    }
    result.setPreviousStop(blockBefore);
    result.setNextStop(blockAfter);
    result.setNextStopTimeOffset(toTimeOffset);
    double ratio = (scheduleTime - fromTime) / ((double) (toTime - fromTime));
    double fromDistance = blockBefore.getDistanceAlongBlock();
    double toDistance = blockAfter.getDistanceAlongBlock();
    double distanceAlongBlock = ratio * (toDistance - fromDistance) + fromDistance;
    result.setDistanceAlongBlock(distanceAlongBlock);
    int shapePointIndexFrom = -1;
    int shapePointIndexTo = -1;
    /**
     * Are we between trips? Where is the transition point?
     */
    if (!before.getTrip().equals(after.getTrip())) {
        if (distanceAlongBlock >= blockAfter.getTrip().getDistanceAlongBlock()) {
            result.setActiveTrip(blockAfter.getTrip());
            shapePointIndexFrom = 0;
            shapePointIndexTo = nextShapePointIndex(after);
        } else {
            result.setActiveTrip(blockBefore.getTrip());
            shapePointIndexFrom = before.getShapePointIndex();
            shapePointIndexTo = Integer.MAX_VALUE;
        }
    } else {
        result.setActiveTrip(blockBefore.getTrip());
        shapePointIndexFrom = before.getShapePointIndex();
        shapePointIndexTo = nextShapePointIndex(after);
    }
    BlockTripEntry activeTrip = result.getActiveTrip();
    PointAndOrientation po = getLocationAlongShape(activeTrip, distanceAlongBlock, shapePointIndexFrom, shapePointIndexTo);
    if (po != null) {
        result.setLocation(po.getPoint());
        result.setOrientation(po.getOrientation());
        return result;
    }
    StopEntry beforeStop = before.getStop();
    StopEntry afterStop = after.getStop();
    double latFrom = beforeStop.getStopLat();
    double lonFrom = beforeStop.getStopLon();
    double latTo = afterStop.getStopLat();
    double lonTo = afterStop.getStopLon();
    double lat = (latTo - latFrom) * ratio + latFrom;
    double lon = (lonTo - lonFrom) * ratio + lonFrom;
    CoordinatePoint location = new CoordinatePoint(lat, lon);
    result.setLocation(location);
    double orientation = SphericalGeometryLibrary.getOrientation(latFrom, lonFrom, latTo, lonTo);
    result.setOrientation(orientation);
    return result;
}