BigInteger stopId = stopIdMap.get(gtfsStopTime.getStop().getId().toString());
BigInteger tripId = tripIdMap.get(gtfsStopTime.getTrip().getId().toString());
BigInteger stopTimeId = StopTime.nativeInsert(snapshotMerge.em(), gtfsStopTime, tripId, stopId);
StopSequence stopSequence = new StopSequence(stopId, gtfsStopTime.getStopSequence());
if(!tripStopTimeMap.containsKey(tripId))
tripStopTimeMap.put(tripId, new ArrayList<StopSequence>());
tripStopTimeMap.get(tripId).add(stopSequence);