@Override public List<RouteCandidateDTO> requestPossibleRoutesForCargo(String trackingId) throws RemoteException { final List<Itinerary> itineraries = bookingService.requestPossibleRoutesForCargo(new TrackingId(trackingId)); final List<RouteCandidateDTO> routeCandidates = new ArrayList<RouteCandidateDTO>(itineraries.size()); final ItineraryCandidateDTOAssembler dtoAssembler = new ItineraryCandidateDTOAssembler(); for (Itinerary itinerary : itineraries) { routeCandidates.add(dtoAssembler.toDTO(itinerary)); } return routeCandidates; }