HttpRuntime.Cache and Service Layer

问题

I have Entity Framework level-2 caching classes in seprate project named Cache Layer,which use HttpRuntime.Cache for caching, Now i want use that in my Service Layer for caching EF Code First Database results.

There is Coupling between HttpRuntime and Service Layer? If yes, How i can use HttpRuntime.Cache in Service Layer without coupling?

来源：https://stackoverflow.com/questions/14853827/httpruntime-cache-and-service-layer