private static IAsyncResult MakeSynchronousAsyncResult(AsyncCallback callback, object state)
{
MvcAsyncResult asyncResult = new MvcAsyncResult(state);
asyncResult.MarkCompleted(true, callback);
return(asyncResult);
}
public override IAsyncResult BeginExecute(ControllerContext context,
IDictionary <string, object> parameters, AsyncCallback callback, object state)
{
Precondition.Require(context, () => Error.ArgumentNull("context"));
Precondition.Require(parameters, () => Error.ArgumentNull("parameters"));
AsyncManager asyncManager = GetAsyncManager(context.Controller);
BeginInvokeDelegate beginDelegate = delegate(AsyncCallback asyncCallback, object asyncState) {
object[] parameterValues = _entryMethod.GetParameters()
.Select(p => ExtractParameter(p, parameters, _entryMethod))
.ToArray();
TriggerListener listener = new TriggerListener();
MvcAsyncResult asyncResult = new MvcAsyncResult(asyncState);
Trigger finishTrigger = listener.CreateTrigger();
asyncManager.Finished += delegate {
finishTrigger.Fire();
};
asyncManager.OutstandingOperations.Increment();
listener.SetContinuation(() => ThreadPool.QueueUserWorkItem(_ =>
asyncResult.MarkCompleted(false, asyncCallback)));
DispatcherCache.GetDispatcher(_entryMethod)
.Execute(context.Controller, parameterValues);
asyncManager.OutstandingOperations.Decrement();
listener.Activate();
return(asyncResult);
};
EndInvokeDelegate <object> endDelegate = delegate(IAsyncResult asyncResult) {
object[] parameterValues = _completedMethod.GetParameters()
.Select(p => ExtractParameter(p, parameters, _completedMethod))
.ToArray();
return(DispatcherCache.GetDispatcher(_completedMethod)
.Execute(context.Controller, parameterValues));
};
return(AsyncResultWrapper.Begin(callback, state, beginDelegate,
endDelegate, _executeTag, asyncManager.Timeout));
}
public static IAsyncResult BeginSynchronous <TResult>(AsyncCallback callback,
object state, Func <TResult> func, object tag)
{
BeginInvokeDelegate beginDelegate = (asyncCallback, asyncState) => {
MvcAsyncResult inner = new MvcAsyncResult(asyncState);
inner.MarkCompleted(true, asyncCallback);
return(inner);
};
EndInvokeDelegate <TResult> endDelegate = _ => {
return(func());
};
WrappedAsyncResult <TResult> result =
new WrappedAsyncResult <TResult>(beginDelegate, endDelegate, tag);
result.Begin(callback, state, Timeout.Infinite);
return(result);
}
protected virtual IAsyncResult BeginInvokeActionFilters(ControllerContext context,
ActionDescriptor action, ICollection <IActionFilter> filters, IDictionary <string, object> parameters,
AsyncCallback callback, object state)
{
Func <ActionExecutedContext> endContinuation = null;
BeginInvokeDelegate beginDelegate = delegate(AsyncCallback asyncCallback, object asyncState) {
ActionExecutionContext preContext = new ActionExecutionContext(context, action);
IAsyncResult innerAsyncResult = null;
Func <Func <ActionExecutedContext> > beginContinuation = () => {
innerAsyncResult = BeginInvokeActionMethod(context, action, parameters, asyncCallback, asyncState);
return(() => new ActionExecutedContext(preContext, null)
{
Result = EndInvokeActionMethod(innerAsyncResult)
});
};
Func <Func <ActionExecutedContext> > thunk = filters.Reverse().Aggregate(beginContinuation,
(next, filter) => () => InvokeActionFilterAsynchronously(filter, preContext, next));
endContinuation = thunk();
if (innerAsyncResult != null)
{
return(innerAsyncResult);
}
else
{
MvcAsyncResult newAsyncResult = new MvcAsyncResult(asyncState);
newAsyncResult.MarkCompleted(true, asyncCallback);
return(newAsyncResult);
}
};
EndInvokeDelegate <ActionExecutedContext> endDelegate = delegate(IAsyncResult asyncResult) {
return(endContinuation());
};
return(AsyncResultWrapper.Begin(callback, state, beginDelegate, endDelegate, _invokeMethodFiltersTag));
}
public override IAsyncResult BeginExecute(ControllerContext context,
IDictionary<string, object> parameters, AsyncCallback callback, object state)
{
Precondition.Require(context, () => Error.ArgumentNull("context"));
Precondition.Require(parameters, () => Error.ArgumentNull("parameters"));
AsyncManager asyncManager = GetAsyncManager(context.Controller);
BeginInvokeDelegate beginDelegate = delegate(AsyncCallback asyncCallback, object asyncState) {
object[] parameterValues = _entryMethod.GetParameters()
.Select(p => ExtractParameter(p, parameters, _entryMethod))
.ToArray();
TriggerListener listener = new TriggerListener();
MvcAsyncResult asyncResult = new MvcAsyncResult(asyncState);
Trigger finishTrigger = listener.CreateTrigger();
asyncManager.Finished += delegate {
finishTrigger.Fire();
};
asyncManager.OutstandingOperations.Increment();
listener.SetContinuation(() => ThreadPool.QueueUserWorkItem(_ =>
asyncResult.MarkCompleted(false, asyncCallback)));
DispatcherCache.GetDispatcher(_entryMethod)
.Execute(context.Controller, parameterValues);
asyncManager.OutstandingOperations.Decrement();
listener.Activate();
return asyncResult;
};
EndInvokeDelegate<object> endDelegate = delegate(IAsyncResult asyncResult) {
object[] parameterValues = _completedMethod.GetParameters()
.Select(p => ExtractParameter(p, parameters, _completedMethod))
.ToArray();
return DispatcherCache.GetDispatcher(_completedMethod)
.Execute(context.Controller, parameterValues);
};
return AsyncResultWrapper.Begin(callback, state, beginDelegate,
endDelegate, _executeTag, asyncManager.Timeout);
}
private static IAsyncResult MakeSynchronousAsyncResult(AsyncCallback callback, object state)
{
MvcAsyncResult asyncResult = new MvcAsyncResult(state);
asyncResult.MarkCompleted(true, callback);
return asyncResult;
}
protected virtual IAsyncResult BeginInvokeActionFilters(ControllerContext context,
ActionDescriptor action, ICollection<IActionFilter> filters, IDictionary<string, object> parameters,
AsyncCallback callback, object state)
{
Func<ActionExecutedContext> endContinuation = null;
BeginInvokeDelegate beginDelegate = delegate(AsyncCallback asyncCallback, object asyncState) {
ActionExecutionContext preContext = new ActionExecutionContext(context, action);
IAsyncResult innerAsyncResult = null;
Func<Func<ActionExecutedContext>> beginContinuation = () => {
innerAsyncResult = BeginInvokeActionMethod(context, action, parameters, asyncCallback, asyncState);
return () => new ActionExecutedContext(preContext, null) {
Result = EndInvokeActionMethod(innerAsyncResult)
};
};
Func<Func<ActionExecutedContext>> thunk = filters.Reverse().Aggregate(beginContinuation,
(next, filter) => () => InvokeActionFilterAsynchronously(filter, preContext, next));
endContinuation = thunk();
if (innerAsyncResult != null)
{
return innerAsyncResult;
}
else
{
MvcAsyncResult newAsyncResult = new MvcAsyncResult(asyncState);
newAsyncResult.MarkCompleted(true, asyncCallback);
return newAsyncResult;
}
};
EndInvokeDelegate<ActionExecutedContext> endDelegate = delegate(IAsyncResult asyncResult) {
return endContinuation();
};
return AsyncResultWrapper.Begin(callback, state, beginDelegate, endDelegate, _invokeMethodFiltersTag);
}
