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Lazy create ResourceInvoker.InvokeResultFilters statemachine

This commit is contained in:
Ben Adams 2019-04-12 03:06:21 +01:00 committed by Ryan Nowak
parent 0657a3ed1a
commit 7393f264b0
1 changed files with 33 additions and 8 deletions
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41
src/Mvc/Mvc.Core/src/Infrastructure/ResourceInvoker.cs
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@ -1049,16 +1049,41 @@ namespace Microsoft.AspNetCore.Mvc.Infrastructure
} }
} }
private async Task InvokeResultFilters() private Task InvokeResultFilters()
{ {
var next = State.ResultBegin; try
var scope = Scope.Invoker;
var state = (object)null;
var isCompleted = false;
while (!isCompleted)
{ {
await ResultNext<IResultFilter, IAsyncResultFilter>(ref next, ref scope, ref state, ref isCompleted); var next = State.ResultBegin;
var scope = Scope.Invoker;
var state = (object)null;
var isCompleted = false;
while (!isCompleted)
{
var lastTask = ResultNext<IResultFilter, IAsyncResultFilter>(ref next, ref scope, ref state, ref isCompleted);
if (!lastTask.IsCompletedSuccessfully)
{
return Awaited(this, lastTask, next, scope, state, isCompleted);
}
}
return Task.CompletedTask;
}
catch (Exception ex)
{
// Wrap non task-wrapped exceptions in a Task,
// as this isn't done automatically since the method is not async.
return Task.FromException(ex);
}
static async Task Awaited(ResourceInvoker invoker, Task lastTask, State next, Scope scope, object state, bool isCompleted)
{
await lastTask;
while (!isCompleted)
{
await invoker.ResultNext<IResultFilter, IAsyncResultFilter>(ref next, ref scope, ref state, ref isCompleted);
}
} }
} }