问与直接数据访问相比，统一容器性能有很大的不同

EN

Unity Container
8749
5757
7225
7072
7256
8791
7016
7465
8449
10741
7852.1 (average)

DbContext
3599
2239
2902
2378
1898
1682
1692
1522
2773
2054
2273.9 (average)

public class UnityConfig
    {
        private static Lazy<IUnityContainer> container = new Lazy<IUnityContainer>(() =>
        {
            var container = new UnityContainer();
            RegisterTypes(container);
            return container;
        });

        public static IUnityContainer GetConfiguredContainer()
        {
            return container.Value;
        }

        public static void RegisterTypes(IUnityContainer container)
        {
            //// Repositories
            container.RegisterType<ICartRepository, CartRepository>();
            // .... total 50 repositories registrations ....

            //// Services
            container.RegisterType<ICartService, CartService>();
            // .... total 72 services registrations ....
        }
    }


public static class UnityWebActivator
{
    public static void Start()
    {
        var container = UnityConfig.GetConfiguredContainer();
        FilterProviders.Providers.Remove(FilterProviders.Providers.OfType<FilterAttributeFilterProvider>().First());
        FilterProviders.Providers.Add(new UnityFilterAttributeFilterProvider(container));
        DependencyResolver.SetResolver(new UnityDependencyResolver(container));

        // TODO: Uncomment if you want to use PerRequestLifetimeManager
        // Microsoft.Web.Infrastructure.DynamicModuleHelper.DynamicModuleUtility.RegisterModule(typeof(UnityPerRequestHttpModule));
    }

    public static void Shutdown()
    {
        var container = UnityConfig.GetConfiguredContainer();
        container.Dispose();
    }
}

public interface ICartRepository
{
    Cart Get(string id);
    IEnumerable<Cart> GetAll();
    // more codes
}

public class CartRepository : ICartRepository
{
    [Dependency]
    public ApplicationData db { get; set; }

    public Cart Get(string id)
    {
        return db.Carts.AsNoTracking().Where(i => i.Id == id && i.IsDeleted == 0).FirstOrDefault();
    }

    public IEnumerable<Cart> GetAll()
    {
        return db.Carts.AsNoTracking().Where(i => i.IsDeleted == 0);
    }
    // more codes
}

public interface ICartService
{
    Cart Get(string id, string orgid);
    IEnumerable<Cart> GetAll(string orgid);
    // more codes
}

public class CartService : ICartService
{
    private ICartRepository cartRepository;

    public CartService(ICartRepository _cartRepository)
    {
        cartRepository = _cartRepository;
    }

    public Cart Get(string id, string orgid)
    {
        return cartRepository.GetAll().Where(i => i.OrganizationId == orgid && i.Id == id).FirstOrDefault();
    }

    public IEnumerable<Cart> GetAll(string orgid)
    {
        return cartRepository.GetAll().Where(i => i.OrganizationId == orgid);
    }
    // more codes
}

public class HomeController : Controller
{
    private ICartService cartService;

    public HomeController(ICartService _cartService)
    {
        cartService = _cartService;
    }

    public ActionResult Index()
    {
        // through unity
        var item = cartService.Get("id", "org_id");

        // direct DbContext
        ApplicationData data = new ApplicationData();
        var item1 = data.Carts.AsNoTracking().Where(i => i.Id == "id" && i.OrganizationId == "org_id").FirstOrDefault();
        // more code

        return View();
    }
}