public BusBase()
{
_handlers = new ConcurrentKeyedCollection(50);
}
private ResponderBase <TRequest> GetResponder <TRequest, UResponse>(TRequest request, ConcurrentKeyedCollection collection)
{
List <IDisposable> responders;
var topic = GetCombinedTopic <TRequest, UResponse>();
if (collection.TryGet(topic, out responders))
{
var filteredResponders = responders.Cast <ResponderBase <TRequest> >().Where(r => r.CanRespond(request));
if (filteredResponders.Count() != 1)
{
throw new InvalidOperationException($"There should be one and only responder for <{typeof(TRequest).FullName},{typeof(TRequest).FullName}>");
}
return(filteredResponders.First());
}
else
{
throw new InvalidOperationException($"No responders found for <{typeof(TRequest).FullName},{typeof(UResponse).FullName}>");
}
}