public FilterAttachedAsyncRequestHandler(IAsyncRequestHandlerCore <TRequest, TResponse> body, IEnumerable <AsyncRequestHandlerFilter <TRequest, TResponse> > filters)
{
Func <TRequest, CancellationToken, UniTask <TResponse> > next = body.InvokeAsync;
foreach (var f in filters.OrderByDescending(x => x.Order))
{
next = new AsyncRequestHandlerFilterRunner <TRequest, TResponse>(f, next).GetDelegate();
}
this.handler = next;
}
public AsyncRequestAllHandler(IEnumerable <IAsyncRequestHandlerCore <TRequest, TResponse> > handlers, FilterAttachedAsyncRequestHandlerFactory handlerFactory, MessagePipeOptions options)
{
var collection = (handlers as ICollection <IAsyncRequestHandlerCore <TRequest, TResponse> >) ?? handlers.ToArray();
var array = new IAsyncRequestHandlerCore <TRequest, TResponse> [collection.Count];
var i = 0;
foreach (var item in collection)
{
array[i++] = handlerFactory.CreateAsyncRequestHandler(item);
}
this.handlers = array;
this.defaultAsyncPublishStrategy = options.DefaultAsyncPublishStrategy;
}
public AsyncRequestHandler(IAsyncRequestHandlerCore <TRequest, TResponse> handler, FilterAttachedAsyncRequestHandlerFactory handlerFactory)
{
this.handler = handlerFactory.CreateAsyncRequestHandler <TRequest, TResponse>(handler);
}
public IAsyncRequestHandlerCore <TRequest, TResponse> CreateAsyncRequestHandler <TRequest, TResponse>(IAsyncRequestHandlerCore <TRequest, TResponse> handler)
{
var(globalLength, globalFilters) = options.GetGlobalAsyncRequestHandlerFilters(provider, typeof(TRequest), typeof(TResponse));
var(handlerLength, handlerFilters) = filterProvider.GetAttributeFilters(handler.GetType(), provider);
if (globalLength != 0 || handlerLength != 0)
{
handler = new FilterAttachedAsyncRequestHandler <TRequest, TResponse>(handler, globalFilters.Concat(handlerFilters).Cast <AsyncRequestHandlerFilter <TRequest, TResponse> >());
}
return(handler);
}
