Let me be more specific on how I want to use this.
I want to be able to create and instance of, lets say the
RESTCommunicationService, and
have
gridService = new GridService();
gridService.configure(new RESTCommunicationService()) // http is dependency
for the RESTCommunicationService
On Monday, October 2, 2017 at 7:25:23 PM UTC-7, Reza Razavipour wrote:
>
> I have an angular 4 application. I need to dynamically inject dependencies
> in my services or have customizable services.
>
> So currently I have a GridComponent with a GridService injected to it
>
> @Injectable()
>
> GridService...
>
>
> constructor(gridService: GridService)...
>
> What I need is to customize some behavior to the GridService.
> I want to have a GridService that makes http calls, or a GridService that
> uses websockets, etc... dynamically
>
> Code snippet to clarify.
>
> interface CommunicationService {
> }
>
> // an implementation that uses http
>
> class RESTCommunicationService implements CommunicationService {
> // needs to use Http
> }
>
> class WSCommunicationService implements CommunicationService {
> // needs something other than Http
> }
>
> at some place, may be in the AppComponent constructor,
> I want to be able to configure the GridService using something like
> configure (specializedService : CommunicationService)
>
> so when the GridComponent is injected GridService, all is setup to use
> http scheme or a different one.
>
> How would go about setting the service to allow for this customization?
>
>
>
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