List<StopEntry> stops = loadSourceStops(hubStops);
Set<StopEntry> hubStopsAsSet = new HashSet<StopEntry>(hubStops);
Graph graph = _graphService.getGraph();
GraphContext context = _otpConfigurationService.createGraphContext();
Map<AgencyAndId, MutableTransferPattern> patternsByStopId = new HashMap<AgencyAndId, MutableTransferPattern>();
for (StopEntry stop : stops) {