private async Task <bool> InvokeRouting(RoutableEventPipelines eventPipeline, TContext context, bool ignoreCompletion)
{
// obtain list of routing objects.
IList <Routing <TContext, TRequest, TResponse> > routing;
lock (Routing) {
if (Routing.TryGetValue(eventPipeline, out routing) == false)
{
return(false);
}
}
// obtain a snapshot of the routes.
var routeCollections = new List <List <Route <TContext, TRequest, TResponse> > >();
lock (routing) {
foreach (var r in routing)
{
routeCollections.Add(r.Routes.Where(_ => _.IsMatch(context)).ToList());
}
}
// invoke each route until one succeeds (unless ignoreCompletion).
bool wasCompletedSuccessfully = false;
foreach (var routeCollection in routeCollections)
{
foreach (var route in routeCollection)
{
if (await route.Invoke(context) == true)
{
if (ignoreCompletion == true)
{
wasCompletedSuccessfully = true;
break;
}
else
{
return(true);
}
}
}
}
return(wasCompletedSuccessfully);
}
/// <summary> /// Synonym for AppendRoutingToEventPipeline. /// </summary> public RoutableOptions <TContext, TRequest, TResponse> AddRouting(RoutableEventPipelines eventPipeline, Routing <TContext, TRequest, TResponse> routing) => AppendRoutingToEventPipeline(eventPipeline, routing);
/// <summary>
/// Prepend a routing instance to handle requests to the specified pipeline.
/// </summary>
/// <seealso cref="RoutableEventPipelines"/>
public RoutableOptions <TContext, TRequest, TResponse> PrependRoutingToEventPipeline(RoutableEventPipelines eventPipeline, Routing <TContext, TRequest, TResponse> routing)
{
var list = GetEventPipelineRouting(eventPipeline);
lock (list) {
list.Insert(0, routing);
}
return(this);
}
private IList <Routing <TContext, TRequest, TResponse> > GetEventPipelineRouting(RoutableEventPipelines eventPipeline)
{
lock (Routing) {
if (Routing.TryGetValue(eventPipeline, out var list) == false)
{
list = new List <Routing <TContext, TRequest, TResponse> >();
Routing.Add(eventPipeline, list);
return(list);
}
else
{
return(list);
}
}
}
