Endovena: a dependency injection framework.

JN via Digitalmars-d-announce digitalmars-d-announce at puremagic.com
Sat Nov 1 12:19:49 PDT 2014


On Saturday, 1 November 2014 at 18:54:04 UTC, Gary Willoughby 
wrote:
>
> It's the fundamental way dependency injection containers are 
> used. Instead of having complex dependencies on other resources 
> you can just rely on the container to serve resources as needed.
>
> For example if you have a class which needs the Greeter service 
> you will either have to embed that service using composition or 
> pass it into the class via a constructor or setter. A container 
> is a single place where this and many other services can be 
> retrieved. This also means that anything wanting to use the 
> container is also dependent on it but this is sometimes less 
> complicated than dealing with all the other dependencies 
> individually. Also some dependencies have complicated rules for 
> creating them which some dependency injection containers deal 
> with, again removing this code from where the resource is 
> actually being used.

But then you have to pass the container around? Or you make it a 
singleton?


More information about the Digitalmars-d-announce mailing list