/// <summary>
/// Initializes a new instance of the <see cref="AsyncActionInvokerWrapper"/> class that wraps the specified asynchronous action invoker.
/// </summary>
/// <param name="actionInvoker">The asynchronous action invoker to wrap.</param>
/// <exception cref="ArgumentNullException"><paramref name="actionInvoker"/> is <c>null</c>.</exception>
public AsyncActionInvokerWrapper(IAsyncActionInvoker actionInvoker) : base(actionInvoker)
{
if (actionInvoker == null)
{
throw new ArgumentNullException("actionInvoker");
}
this.mActionInvoker = actionInvoker;
}
/// <summary>
/// Initializes a new instance of the <see cref="AsyncActionInvokerWrapper"/> class that wraps the specified asynchronous action invoker.
/// </summary>
/// <param name="actionInvoker">The asynchronous action invoker to wrap.</param>
/// <exception cref="ArgumentNullException"><paramref name="actionInvoker"/> is <c>null</c>.</exception>
public AsyncActionInvokerWrapper(IAsyncActionInvoker actionInvoker) : base(actionInvoker)
{
if (actionInvoker == null)
{
throw new ArgumentNullException("actionInvoker");
}
this.mActionInvoker = actionInvoker;
}
protected virtual IAsyncResult BeginExecuteCore(AsyncCallback callback, object state)
{
// If code in this method needs to be updated, please also check the ExecuteCore() method
// of Controller to see if that code also must be updated.
PossiblyLoadTempData();
try
{
string actionName = RouteData.GetRequiredString("action");
IActionInvoker invoker = ActionInvoker;
IAsyncActionInvoker asyncInvoker = invoker as IAsyncActionInvoker;
if (asyncInvoker != null)
{
// asynchronous invocation
// Ensure delegates continue to use the C# Compiler static delegate caching optimization.
BeginInvokeDelegate <ExecuteCoreState> beginDelegate = delegate(AsyncCallback asyncCallback, object asyncState, ExecuteCoreState innerState)
{
return(innerState.AsyncInvoker.BeginInvokeAction(innerState.Controller.ControllerContext, innerState.ActionName, asyncCallback, asyncState));
};
EndInvokeVoidDelegate <ExecuteCoreState> endDelegate = delegate(IAsyncResult asyncResult, ExecuteCoreState innerState)
{
if (!innerState.AsyncInvoker.EndInvokeAction(asyncResult))
{
innerState.Controller.HandleUnknownAction(innerState.ActionName);
}
};
ExecuteCoreState executeState = new ExecuteCoreState()
{
Controller = this, AsyncInvoker = asyncInvoker, ActionName = actionName
};
return(AsyncResultWrapper.Begin(callback, state, beginDelegate, endDelegate, executeState, _executeCoreTag));
}
else
{
// synchronous invocation
Action action = () =>
{
if (!invoker.InvokeAction(ControllerContext, actionName))
{
HandleUnknownAction(actionName);
}
};
return(AsyncResultWrapper.BeginSynchronous(callback, state, action, _executeCoreTag));
}
}
catch
{
PossiblySaveTempData();
throw;
}
}
protected virtual IAsyncResult BeginExecuteCore(AsyncCallback callback, object state)
{
// If code in this method needs to be updated, please also check the ExecuteCore() method
// of Controller to see if that code also must be updated.
PossiblyLoadTempData();
try
{
string actionName = RouteData.GetRequiredString("action");
IActionInvoker invoker = ActionInvoker;
IAsyncActionInvoker asyncInvoker = invoker as IAsyncActionInvoker;
if (asyncInvoker != null)
{
// asynchronous invocation
BeginInvokeDelegate beginDelegate = delegate(AsyncCallback asyncCallback, object asyncState)
{
return(asyncInvoker.BeginInvokeAction(ControllerContext, actionName, asyncCallback, asyncState));
};
EndInvokeDelegate endDelegate = delegate(IAsyncResult asyncResult)
{
if (!asyncInvoker.EndInvokeAction(asyncResult))
{
HandleUnknownAction(actionName);
}
};
return(AsyncResultWrapper.Begin(callback, state, beginDelegate, endDelegate, _executeCoreTag));
}
else
{
// synchronous invocation
Action action = () =>
{
if (!invoker.InvokeAction(ControllerContext, actionName))
{
HandleUnknownAction(actionName);
}
};
return(AsyncResultWrapper.BeginSynchronous(callback, state, action, _executeCoreTag));
}
}
catch
{
PossiblySaveTempData();
throw;
}
}
protected internal virtual IAsyncResult BeginExecuteCore(AsyncCallback callback, object state)
{
TempData.Load(ControllerContext, TempDataProvider);
string actionName = RouteData.GetRequiredString("action");
IActionInvoker invoker = ActionInvoker;
IAsyncActionInvoker asyncInvoker = invoker as IAsyncActionInvoker;
BeginInvokeActionDelegate beginDelegate;
EndInvokeActionDelegate endDelegate;
if (asyncInvoker != null)
{
beginDelegate = asyncInvoker.BeginInvokeAction;
endDelegate = asyncInvoker.EndInvokeAction;
}
else
{
// execute synchronous method asynchronously
InvokeActionDelegate invokeDelegate = (cc, an) => AsyncManager.SynchronizationContext.Sync(() => invoker.InvokeAction(cc, an));
beginDelegate = invokeDelegate.BeginInvoke;
endDelegate = invokeDelegate.EndInvoke;
}
return(AsyncResultWrapper.Wrap(callback, state,
(innerCallback, innerState) => {
try {
return beginDelegate(ControllerContext, actionName, innerCallback, innerState);
}
catch {
TempData.Save(ControllerContext, TempDataProvider);
throw;
}
},
ar => {
try {
bool wasActionExecuted = endDelegate(ar);
if (!wasActionExecuted)
{
HandleUnknownAction(actionName);
}
}
finally {
TempData.Save(ControllerContext, TempDataProvider);
}
},
_executeCoreTag));
}
public ActionInvokerWrapper(IActionInvoker actionInvoker)
{
this.actionInvoker = actionInvoker;
asyncInvoker = actionInvoker as IAsyncActionInvoker;
}
public AtlasAsyncActionInvoker(IAsyncActionInvoker actionInvoker)
{
this.actionInvoker = actionInvoker;
}