java stream map 作为参数

  public  List deleteBatch(List
 params, Function paramsComparator, Function comparator, List oldLevelList) {

        List deleteList = new ArrayList<>();
        if (Func.isEmpty(oldLevelList)) {
            return deleteList;
        }

        deleteList = mapFunction(oldLevelList, comparator);
        List newTagIdList = params.stream().map(paramsComparator).filter(e -> Func.isNotEmpty(e)).collect(Collectors.toList());
        deleteList.removeAll(newTagIdList);
        if (Func.isNotEmpty(deleteList)) {
            this.getBaseMapper().deleteBatchIds(deleteList);
        }
        return deleteList;
    }


    public  List mapFunction(List tList, Function comparator) {
        return tList.stream().map(comparator).collect(Collectors.toList());
    }


    @Override
    public Boolean updateBatch(List params, String configId) {
        if (Func.isEmpty(params)) {
            return deleteByConfigId(configId);
        }
        List oldLevelList = this.findLevelsByConfigId(configId);
        List deleteList = deleteBatch(params, EvalConfigLevelApiParam::getConfigId, EvalConfigLevel::getId, oldLevelList);
        List tags = convertToEvalConfigTagList(params, configId, deleteList);
        return this.saveOrUpdateBatch(tags);
    }