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/* ****************************************************************************
*
* Copyright (c) Microsoft Corporation. All rights reserved.
*
* This software is subject to the Microsoft Public License (Ms-PL).
* A copy of the license can be found in the license.htm file included
* in this distribution.
*
* You must not remove this notice, or any other, from this software.
*
* ***************************************************************************/
namespace System.Web.Mvc.Async {
using System;
using System.Collections.Generic;
public abstract class AsyncActionDescriptor : ActionDescriptor {
public abstract IAsyncResult BeginExecute(ControllerContext controllerContext, IDictionary<string, object> parameters, AsyncCallback callback, object state);
public abstract object EndExecute(IAsyncResult asyncResult);
public override object Execute(ControllerContext controllerContext, IDictionary<string, object> parameters) {
// execute an asynchronous task synchronously
IAsyncResult asyncResult = BeginExecute(controllerContext, parameters, null, null);
AsyncUtil.WaitForAsyncResultCompletion(asyncResult, controllerContext.HttpContext.ApplicationInstance); // blocks
return EndExecute(asyncResult);
}
internal static AsyncManager GetAsyncManager(ControllerBase controller) {
IAsyncManagerContainer helperContainer = controller as IAsyncManagerContainer;
if (helperContainer == null) {
throw Error.AsyncCommon_ControllerMustImplementIAsyncManagerContainer(controller.GetType());
}
return helperContainer.AsyncManager;
}
}
}
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