public void SetContinuation(Action continuation) { if (continuation != null) { _continuation = continuation; _setContinuationTrigger.Fire(); } }
public override IAsyncResult BeginExecute(ControllerContext controllerContext, IDictionary <string, object> parameters, AsyncCallback callback, object state) { if (controllerContext == null) { throw new ArgumentNullException("controllerContext"); } if (parameters == null) { throw new ArgumentNullException("parameters"); } AsyncManager asyncManager = GetAsyncManager(controllerContext.Controller); BeginInvokeDelegate beginDelegate = delegate(AsyncCallback asyncCallback, object asyncState) { // call the XxxAsync() method ParameterInfo[] parameterInfos = AsyncMethodInfo.GetParameters(); var rawParameterValues = from parameterInfo in parameterInfos select ExtractParameterFromDictionary(parameterInfo, parameters, AsyncMethodInfo); object[] parametersArray = rawParameterValues.ToArray(); TriggerListener listener = new TriggerListener(); SimpleAsyncResult asyncResult = new SimpleAsyncResult(asyncState); // hook the Finished event to notify us upon completion Trigger finishTrigger = listener.CreateTrigger(); asyncManager.Finished += delegate { finishTrigger.Fire(); }; asyncManager.OutstandingOperations.Increment(); // to simplify the logic, force the rest of the pipeline to execute in an asynchronous callback listener.SetContinuation(() => ThreadPool.QueueUserWorkItem(_ => asyncResult.MarkCompleted(false /* completedSynchronously */, asyncCallback))); // the inner operation might complete synchronously, so all setup work has to be done before this point ActionMethodDispatcher dispatcher = DispatcherCache.GetDispatcher(AsyncMethodInfo); dispatcher.Execute(controllerContext.Controller, parametersArray); // ignore return value from this method // now that the XxxAsync() method has completed, kick off any pending operations asyncManager.OutstandingOperations.Decrement(); listener.Activate(); return(asyncResult); }; EndInvokeDelegate <object> endDelegate = delegate(IAsyncResult asyncResult) { // call the XxxCompleted() method ParameterInfo[] completionParametersInfos = CompletedMethodInfo.GetParameters(); var rawCompletionParameterValues = from parameterInfo in completionParametersInfos select ExtractParameterOrDefaultFromDictionary(parameterInfo, asyncManager.Parameters); object[] completionParametersArray = rawCompletionParameterValues.ToArray(); ActionMethodDispatcher dispatcher = DispatcherCache.GetDispatcher(CompletedMethodInfo); object actionReturnValue = dispatcher.Execute(controllerContext.Controller, completionParametersArray); return(actionReturnValue); }; return(AsyncResultWrapper.Begin(callback, state, beginDelegate, endDelegate, _executeTag, asyncManager.Timeout)); }
public void Activate() { _activateTrigger.Fire(); }
public void Activate() { //触发器 执行 _activateTrigger.Fire(); }