No takers?
On Fri, 29 Nov 2019, 12:22 David Burstin, <[email protected]> wrote:
> Hi guys,
>
> Got a DI question:
>
> Say I have a class that has the following constructor:
>
> public MyClass(IAnInterface a, IAnother b, IYetAnother c)...
>
> In my startup.cs I have:
>
> services.AddTransient<IAnInterface, AnInterfaceImplementation>();
> ...
>
> That all works fine. DI will inject the correct implementations for each
> of the interfaces in the constructors parameters.
>
> BUT, now I want to be clever because the parameter list is growing too big
> (forget SRP, this is a thought experiment). So I create:
>
> public interface IHoldAllInterfaces{
>
> IAnInterface AnInterface {get;}
> ...
>
> }
>
> Now MyClass just takes one parameter, the IHoldAllInterfaces
> implementation, which internally has all of the other interfaces.
>
> Is there a way that I can get MVC DI to resolve IHoldAllInterfaces so that
> at runtime it will pass in an object that holds all of the internal
> interfaces already resolved per the startup.cs file?
>
> I hope this makes sense - I'm not very good at writing questions clearly
> *and* concisely :)
>
> Cheers
> David
>
>
>
>
