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Lazy create ResourceInvoker.InvokeNextResultFilterAsync statemachine

This commit is contained in:
Ben Adams 2019-04-12 03:07:13 +01:00 committed by Ryan Nowak
parent 7393f264b0
commit 8c97cbe6aa
1 changed files with 30 additions and 2 deletions
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32
src/Mvc/Mvc.Core/src/Infrastructure/ResourceInvoker.cs
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@ -1312,7 +1312,7 @@ namespace Microsoft.AspNetCore.Mvc.Infrastructure
}
}
private async Task InvokeNextResultFilterAsync<TFilter, TFilterAsync>()
private Task InvokeNextResultFilterAsync<TFilter, TFilterAsync>()
where TFilter : class, IResultFilter
where TFilterAsync : class, IAsyncResultFilter
{
@ -1324,7 +1324,11 @@ namespace Microsoft.AspNetCore.Mvc.Infrastructure
var isCompleted = false;
while (!isCompleted)
{
await ResultNext<TFilter, TFilterAsync>(ref next, ref scope, ref state, ref isCompleted);
var lastTask = ResultNext<TFilter, TFilterAsync>(ref next, ref scope, ref state, ref isCompleted);
if (!lastTask.IsCompletedSuccessfully)
{
return Awaited(this, lastTask, next, scope, state, isCompleted);
}
}
}
catch (Exception exception)
@ -1336,6 +1340,30 @@ namespace Microsoft.AspNetCore.Mvc.Infrastructure
}
Debug.Assert(_resultExecutedContext != null);
return Task.CompletedTask;
static async Task Awaited(ResourceInvoker invoker, Task lastTask, State next, Scope scope, object state, bool isCompleted)
{
try
{
await lastTask;
while (!isCompleted)
{
await invoker.ResultNext<TFilter, TFilterAsync>(ref next, ref scope, ref state, ref isCompleted);
}
}
catch (Exception exception)
{
invoker._resultExecutedContext = new ResultExecutedContext(invoker._actionContext, invoker._filters, invoker._result, invoker._instance)
{
ExceptionDispatchInfo = ExceptionDispatchInfo.Capture(exception),
};
}
Debug.Assert(invoker._resultExecutedContext != null);
}
}
private async Task<ResultExecutedContext> InvokeNextResultFilterAwaitedAsync<TFilter, TFilterAsync>()