我的应用程序使用Asp.net MVC,方案是,我有一些永远不会改变的数据列表和一些可能很少改变的数据.

我已经使用Singleton存储库为这种类型的数据开发和部署了应用程序.
它表现很好.唯一的问题是,当罕见的情况发生时,我必须重新启动IIS才能生效.

什么是最好的解决方案.

单身实施

public class SingletonRepository : ISingletonRepository
    {
        private static SingletonRepository singleInstance;

        private readonly IStateRepository stateRepo;
        private readonly ICountryRepository countryRepo;
        private readonly ITDPaymentModeRepository paymentModeRepo;
        private readonly ITDPlanRepository planRepo;
        private readonly ITDOrderTypeRepository orderTypeRepo;
        private readonly IKeywordRepository keywordRepo;
        private readonly IAgencyRepository agencyRepo;

        private readonly IList<AT_STATE> lstState;
        private readonly IList<AT_COUNTRY> lstCountry;
        private readonly IList<TDPaymentMode> lstPaymentMode;
        private readonly IList<TDPlan> lstPlan;
        private readonly IList<TDOrderType> lstOrderType;
        private readonly IList<Keyword> lstKeyword;
        private readonly IList<Agency_MST> lstAgency;

        private SingletonRepository()
        {
            stateRepo = new StateRepository();
            countryRepo = new CountryRepository();
            paymentModeRepo = new TDPaymentModeRepository();
            planRepo = new TDPlanRepository();
            orderTypeRepo = new TDOrderTypeRepository();
            keywordRepo = new KeywordRepository();
            agencyRepo = new AgencyRepository();

            lstState = stateRepo.GetAll().Where(x => x.CountryId == 101).ToList();
            lstCountry = countryRepo.GetAll().ToList();
            lstPaymentMode = paymentModeRepo.GetAll().ToList();
            lstPlan = planRepo.GetAll().ToList();
            lstOrderType = orderTypeRepo.GetAll().ToList();
            lstKeyword = keywordRepo.GetAll().ToList();
            lstAgency = agencyRepo.GetAll().ToList();

            //lstState = stateRepo.GetAll().Take(20).ToList();
            //lstCountry = countryRepo.GetAll().Take(20).ToList();
            //lstPaymentMode = paymentModeRepo.GetAll().Take(20).ToList();
            //lstPlan = planRepo.GetAll().Take(20).ToList();
            //lstOrderType = orderTypeRepo.GetAll().Take(20).ToList();
            //lstKeyword = keywordRepo.GetAll().Take(20).ToList();
            //lstAgency = agencyRepo.GetAll().Take(20).ToList();
        }

        public static SingletonRepository Instance()
        {
            return singleInstance ?? (singleInstance = new SingletonRepository());
        }

        public IList<AT_STATE> GetState()
        {
            return this.lstState;
        }
        public IList<AT_COUNTRY> GetCountry()
        {
            return this.lstCountry;
        }

        public IList<TDPaymentMode> GetPaymentMode()
        {
            return this.lstPaymentMode;
        }

        public IList<TDPlan> GetPlan()
        {
            return this.lstPlan;
        }

        public IList<TDOrderType> GetOrderType()
        {
            return this.lstOrderType;
        }

        public IList<Keyword> GetKeyword()
        {
            return this.lstKeyword;
        }

        public IList<Agency_MST> GetAgency()
        {
            return this.lstAgency;
        }      

    }

}