public static Func <Task> GenerateNotificationPipeline <TRequest>(
this MediationServiceProvider serviceProvider,
Func <INotificationHandler <TRequest>, Func <Task> > seed,
Func <Func <Task>, IPipelineStep <TRequest>, Func <Task> > method)
{
var handlers = serviceProvider.GetServices <INotificationHandler <TRequest> >();
return(serviceProvider.GetServices <IPipelineStep <TRequest> >()
.Reverse()
.Aggregate(
() => Task.WhenAll(handlers.Select(x => seed(x)())),
method));
}
public static Action GenerateNotificationPipeline <TRequest>(
this MediationServiceProvider serviceProvider,
Func <INotificationHandler <TRequest>, Action> seed,
Func <Action, IPipelineStep <TRequest>, Action> method)
{
var handlers = serviceProvider.GetServices <INotificationHandler <TRequest> >();
return(serviceProvider.GetServices <IPipelineStep <TRequest> >()
.Reverse()
.Aggregate(
() => { foreach (var handler in handlers)
{
seed(handler)();
}
},
method));
}
public static Func <THandler> GenerateRequestPipeline <TRequest, TResult, THandler>(
this MediationServiceProvider serviceProvider,
Func <IRequestHandler <TRequest, TResult>, Func <THandler> > seed,
Func <Func <THandler>, IPipelineStep <TRequest, TResult>, Func <THandler> > method)
{
var handler = serviceProvider.GetService <IRequestHandler <TRequest, TResult> >();
return(serviceProvider.GetServices <IPipelineStep <TRequest, TResult> >()
.Reverse()
.Aggregate(seed(handler), method));
}
