public int SaveENodebs(IEnumerable <CollegeENodebExcel> eNodebExcels, IENodebRepository eNodebRepository)
        {
            int count = 0;

            foreach (CollegeENodebExcel excel in eNodebExcels)
            {
                ENodeb eNodeb = eNodebRepository.GetAll().FirstOrDefault(x => x.ENodebId == excel.ENodebId);
                if (eNodeb == null)
                {
                    continue;
                }
                InfrastructureInfo infrastructure = _repository.InfrastructureInfos.FirstOrDefault(x =>
                                                                                                   x.HotspotName == excel.CollegeName && x.HotspotType == HotspotType.College &&
                                                                                                   x.InfrastructureType == InfrastructureType.ENodeb && x.InfrastructureId == eNodeb.Id);
                if (infrastructure == null)
                {
                    infrastructure = new InfrastructureInfo
                    {
                        HotspotName        = excel.CollegeName,
                        HotspotType        = HotspotType.College,
                        InfrastructureType = InfrastructureType.ENodeb,
                        InfrastructureId   = eNodeb.Id
                    };
                    _repository.AddOneInfrastructure(infrastructure);
                    _repository.SaveChanges();
                }
                count++;
            }
            return(count);
        }