Examples with LazyResource org.openlmis.stockmanagement.util.LazyResource used on opensource projects

Example 1 with LazyResource

use of org.openlmis.stockmanagement.util.LazyResource in project openlmis-stockmanagement by OpenLMIS.

the class StockEventProcessContextBuilder method buildContext.

/**
 * Before processing events, put all needed ref data into context so we don't have to do frequent
 * network requests.
 *
 * @param eventDto event dto.
 * @return a context object that includes all needed ref data.
 */
public StockEventProcessContext buildContext(StockEventDto eventDto) {
    XLOGGER.entry(eventDto);
    Profiler profiler = new Profiler("BUILD_CONTEXT");
    profiler.setLogger(XLOGGER);
    LOGGER.info("build stock event process context");
    StockEventProcessContext context = new StockEventProcessContext();
    profiler.start("CREATE_LAZY_USER");
    OAuth2Authentication authentication = (OAuth2Authentication) SecurityContextHolder.getContext().getAuthentication();
    Supplier<UUID> userIdSupplier;
    if (authentication.isClientOnly()) {
        userIdSupplier = eventDto::getUserId;
    } else {
        userIdSupplier = () -> authenticationHelper.getCurrentUser().getId();
    }
    LazyResource<UUID> userId = new LazyResource<>(userIdSupplier);
    context.setCurrentUserId(userId);
    profiler.start("CREATE_LAZY_PROGRAM");
    UUID programId = eventDto.getProgramId();
    Supplier<ProgramDto> programSupplier = new ReferenceDataSupplier<>(programService, programId);
    LazyResource<ProgramDto> program = new LazyResource<>(programSupplier);
    context.setProgram(program);
    profiler.start("CREATE_LAZY_FACILITY");
    UUID facilityId = eventDto.getFacilityId();
    Supplier<FacilityDto> facilitySupplier = new ReferenceDataSupplier<>(facilityService, facilityId);
    LazyResource<FacilityDto> facility = new LazyResource<>(facilitySupplier);
    context.setFacility(facility);
    profiler.start("CREATE_LAZY_APPROVED_PRODUCTS");
    Supplier<List<OrderableDto>> productsSupplier = () -> orderableReferenceDataService.findAll();
    LazyList<OrderableDto> products = new LazyList<>(productsSupplier);
    context.setAllApprovedProducts(products);
    profiler.start("CREATE_LAZY_LOTS");
    Supplier<List<LotDto>> lotsSupplier = () -> getLots(eventDto);
    LazyList<LotDto> lots = new LazyList<>(lotsSupplier);
    LazyGrouping<UUID, LotDto> lotsGroupedById = new LazyGrouping<>(lots, LotDto::getId);
    context.setLots(lotsGroupedById);
    profiler.start("CREATE_LAZY_EVENT_REASONS");
    Supplier<List<StockCardLineItemReason>> eventReasonsSupplier = () -> reasonRepository.findByIdIn(eventDto.getReasonIds());
    LazyList<StockCardLineItemReason> eventReasons = new LazyList<>(eventReasonsSupplier);
    LazyGrouping<UUID, StockCardLineItemReason> eventReasonsGroupedById = new LazyGrouping<>(eventReasons, StockCardLineItemReason::getId);
    context.setEventReasons(eventReasonsGroupedById);
    profiler.start("CREATE_LAZY_NODES");
    Supplier<List<Node>> nodesSupplier = () -> nodeRepository.findByIdIn(eventDto.getNodeIds());
    LazyList<Node> nodes = new LazyList<>(nodesSupplier);
    LazyGrouping<UUID, Node> nodesGroupedById = new LazyGrouping<>(nodes, Node::getId);
    context.setNodes(nodesGroupedById);
    profiler.start("CREATE_LAZY_STOCK_CARDS");
    Supplier<List<StockCard>> cardsSupplier = () -> stockCardRepository.findByProgramIdAndFacilityId(eventDto.getProgramId(), eventDto.getFacilityId());
    LazyList<StockCard> cards = new LazyList<>(cardsSupplier);
    LazyGrouping<OrderableLotIdentity, StockCard> cardsGroupedByIdentity = new LazyGrouping<>(cards, OrderableLotIdentity::identityOf);
    context.setCards(cardsGroupedByIdentity);
    profiler.start("CREATE_LAZY_CARD_REASONS");
    Supplier<List<StockCardLineItemReason>> cardReasonsSupplier = () -> getCardReasons(eventDto);
    LazyList<StockCardLineItemReason> cardReasons = new LazyList<>(cardReasonsSupplier);
    LazyGrouping<UUID, StockCardLineItemReason> cardReasonsGroupedById = new LazyGrouping<>(cardReasons, StockCardLineItemReason::getId);
    context.setCardReasons(cardReasonsGroupedById);
    profiler.start("CREATE_LAZY_SOURCES");
    Supplier<List<ValidSourceAssignment>> sourcesSupplier = () -> validSourceAssignmentRepository.findByProgramIdAndFacilityTypeId(eventDto.getProgramId(), context.getFacilityTypeId());
    LazyList<ValidSourceAssignment> sources = new LazyList<>(sourcesSupplier);
    context.setSources(sources);
    profiler.start("CREATE_LAZY_DESTINATIONS");
    Supplier<List<ValidDestinationAssignment>> destinationsSupplier = () -> validDestinationAssignmentRepository.findByProgramIdAndFacilityTypeId(eventDto.getProgramId(), context.getFacilityTypeId());
    LazyList<ValidDestinationAssignment> destinations = new LazyList<>(destinationsSupplier);
    context.setDestinations(destinations);
    profiler.stop().log();
    XLOGGER.exit(context);
    return context;
}