可扩展的 IOC(1)

引用 dll
Microsoft.Practices.Unity.dll
Autofac.dll



IContainer  接口

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace  Ctrip.HotelReservation.Ioc
{
    public interface IContainer
    {
        TService Resolve<TService>();

        TService Resolve<TService>(string serviceLine);

        object Resolve(Type type);

        void RegisterType(Type type);
    }
}

IoCFactory 工厂

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace  Ctrip.HotelReservation.Ioc
{
    /// <summary>
    /// IoCFactory  implementation 
    /// </summary>
    public sealed class IoCFactory
    {
        #region Singleton

        static readonly IoCFactory instance = new IoCFactory();

        /// <summary>
        /// Get singleton instance of IoCFactory
        /// </summary>
        public static IoCFactory Instance
        {
            get
            {
                return instance;
            }
        }

        #endregion

        #region Members

        IContainer _CurrentContainer;

        /// <summary>
        /// Get current configured IContainer
        /// <remarks>
        /// At this moment only IoCUnityContainer existss
        /// </remarks>
        /// </summary>
        public IContainer CurrentContainer
        {
            get
            {
                return _CurrentContainer;
            }
        }

        #endregion

        #region Constructor

        /// <summary>
        /// 这里可以指定具体的容器，是用Unity,还是Autofac
        /// </summary>
        static IoCFactory() { }
        IoCFactory()
        {
            _CurrentContainer = new IoCUnityContainer();
        }

        #endregion

    } 
}

IoCUnityContainer 容器

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Practices.Unity;
using Ctrip.HotelReservation.Interface.DAL;
using Ctrip.HotelReservation.DAL;
using Ctrip.HotelReservation.Interface.DB;
using Ctrip.HotelReservation.DB;
using Ctrip.HotelReservation.SOA1;
using Ctrip.HotelReservation.Interface.SOA1;
using System.Web.Mvc;
using Ctrip.HotelReservation.Biz.General.Interface;
using Ctrip.HotelReservation.Biz;
using Ctrip.HotelReservation.IBiz;
using Ctrip.HotelReservation.Biz.GroupOrder;


namespace Ctrip.HotelReservation.Ioc
{
    public class IoCUnityContainer : IContainer
    {
        IUnityContainer Container { get; set; }
        public IoCUnityContainer()
        {
            Container = new UnityContainer();
            ConfigureRootContainer(Container);
        }


        void ConfigureRootContainer(IUnityContainer container)
        {
           

满足开闭耦合，各个数据源的切换方便。大的改动可以方便的切换回去

            #region 注册业务逻辑类

            #region Dal层
            container.RegisterType<IUserDAL, UserDAL>();
            #endregion

            #region DB层
            container.RegisterType<ICrmDB, CrmDB>();
            container.RegisterType<ICrmbiDB, CrmbiDB>();
            container.RegisterType<IObookingDB, ObookingDB>();
            container.RegisterType<IOrderDB, OrderDB>();
            container.RegisterType<IProductDB, ProductDB>();
            container.RegisterType<IUserDB, UserDB>();
            #endregion

            #region SOA1.0 层
            container.RegisterType<IUserInvoices, UserInvoices>();
            container.RegisterType<IUserAddressInfo, UserAddressInfo>();
            container.RegisterType<IContactInfo, ContactInfo>();
            container.RegisterType<IClientInfo, ClientInfo>();

            container.RegisterType<ISmallCorpSMCorporationID, SmallCorpSMCorporationID>();
            container.RegisterType<ITravelMoneyUser, TravelMoneyUser>();
            container.RegisterType<IRead, Read>();
            #endregion

            #endregion


            #region 注册数据组装类

            #endregion

            #region 业务处理

            container.RegisterType<IBaseDataBiz, BaseDataBiz>();

            container.RegisterType<IOrderBiz, CreateOrderBiz>("GroupOrder");
            container.RegisterType<IOrderBiz, CreateOrderBookingBiz>("BookingGroupOrder");

            #endregion

        }

        public TService Resolve<TService>()
        {
            return Container.Resolve<TService>();
        }

        public TService Resolve<TService>(string ServiceLine)
        {
            return Container.Resolve<TService>(ServiceLine);
        }

        public object Resolve(Type type)
        {
            return Container.Resolve(type, null);
        }

        public void RegisterType(Type type)
        {
            Container.RegisterType(type, new TransientLifetimeManager());
        }
    }
}

IoCAutofacContainer 容器

using Autofac;
using Ctrip.HotelReservation.Biz.GroupOrder;
using Ctrip.HotelReservation.DAL;
using Ctrip.HotelReservation.DB;
using Ctrip.HotelReservation.IBiz;
using Ctrip.HotelReservation.Interface.DAL;
using Ctrip.HotelReservation.Interface.DB;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace  Ctrip.HotelReservation.Ioc
{
    public sealed class IoCAutofacContainer : IContainer
    {
        ContainerBuilder Container { get; set; }

        Autofac.IContainer builder { get; set; }
        public IoCAutofacContainer()
        {
            Container = new ContainerBuilder();
            ConfigureRootContainer(Container);
        }

        void ConfigureRootContainer(ContainerBuilder container)
        {
            #region 注册业务逻辑类

              #region Dal层
              container.RegisterType<UserDAL>().As<IUserDAL>();
            #endregion

            #region DB层
              container.RegisterType<CrmDB>().As<ICrmDB>();
            container.RegisterType<CrmbiDB>().As<ICrmbiDB>();
            //container.RegisterType<IObookingDB, ObookingDB>();
            //container.RegisterType<IOrderDB, OrderDB>();
            //container.RegisterType<IProductDB, ProductDB>();
            //container.RegisterType<IUserDB, UserDB>();
            #endregion

            #region SOA1.0 层
            //container.RegisterType<IUserInvoices, UserInvoices>();
            //container.RegisterType<IUserAddressInfo, UserAddressInfo>();
            //container.RegisterType<IContactInfo, ContactInfo>();
            //container.RegisterType<IClientInfo, ClientInfo>();

            //container.RegisterType<ISmallCorpSMCorporationID, SmallCorpSMCorporationID>();
            //container.RegisterType<ITravelMoneyUser, TravelMoneyUser>();
            //container.RegisterType<IRead, Read>();
            #endregion

            #endregion


            #region 注册数据组装类

            #endregion

            #region 业务处理

            //container.RegisterType<IBaseDataBiz, BaseDataBiz>();

            container.RegisterType<CreateOrderBiz>().Named<IOrderBiz>("GroupOrder");                    //按照业务线划分，实现多态
            container.RegisterType<CreateOrderBookingBiz>().Named<IOrderBiz>("BookingGroupOrder");

            #endregion
 

            builder = Container.Build();
        }


        public TService Resolve<TService>()
        {
            return builder.Resolve<TService>();   
        }

        public TService Resolve<TService>(string ServiceLine)
        {
            if (builder.IsRegisteredWithName(ServiceLine,typeof(TService)))
            {
                return builder.ResolveNamed<TService>(ServiceLine);  
            }
            return default(TService);
        }


        public object Resolve(Type type)
        {
            return builder.Resolve(type);
        }

        public void RegisterType(Type type)
        {
            Container.RegisterType(type);
 
        }
    }
} 

具体用法如下,解耦如下

IOrderBiz GOBiz = Ioc.IoCFactory.Instance.CurrentContainer.Resolve<IOrderBiz>("GroupOrder");

    O_CreateOrder obj = GOBiz.BulidNewOrder<O_CreateOrder>(resinfo);