Lambda表达式实用

public List<SettlementExportView> querySettlementExport(SettlementDemandQueryReq req) {
    JdbcQuery.Builder queryBuilder = JdbcQuery.from(SettlementExportView.class);
    SettlementExportViewMetaData md = SettlementExportViewMetaData.instance;
    DateFormat format = new SimpleDateFormat("yyyy-MM-dd");
    //开始结束日期
    querySettleCondition(req, DemandViewEntityMetaData.instance, queryBuilder);

    List<SettlementExportView> list = InstanceFactory.getInstance(SettlementExportViewDao.class).query(queryBuilder.build());
    SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
    return list.stream()
        .filter(input -> input.getScore()!=null && input.getScore() > 0)
        .map(view -> {
          if (view.getUploadQuantity() == null) {
            view.setUploadQuantity(0d);
          }
          if (view.getFinishQuantity() == null) {
            view.setFinishQuantity(0d);
          }
          switch (view.getStatus()) {
            case SETTLEMENT:
              view.setStatusName("已结算");
              view.setSettlePeriod(dateFormat.format(view.getSettlementDate()));
              break;
            case FINISH:
              if (view.isNeedCheck()) {
                view.setNeedCheckStr("Y");
              }else{
                view.setNeedCheckStr("N");
              }
              if (view.getSettlementDate() != null) {
                view.setStatusName("已结算");
                view.setSettlePeriod(dateFormat.format(view.getSettlementDate()));
              }
              break;
            default:
              view.setStatusName("未结算");
              view.setFinishDate(null);
          }
          return view;
        })
        .collect(Collectors.toList());

  }