/Main/src/DynamicDataDisplay/Common/Auxiliary/TaskExtensions.cs

 1/*using System;
 2using System.Collections.Generic;
 3using System.Linq;
 4using System.Text;
 5using System.Threading.Tasks;
 6using System.Diagnostics;
 7using System.Windows.Threading;
 8
 9namespace Microsoft.Research.DynamicDataDisplay.Common.Auxiliary
10{
11	public static class TaskExtensions
12	{
13		/// <summary>
14		/// Logs exceptions that occur during task execution.
15		/// </summary>
16		/// <param name="task">The task.</param>
17		/// <returns></returns>
18		public static Task WithExceptionLogging(this Task task)
19		{
20			return task.ContinueWith(t =>
21			{
22				var exception = t.Exception;
23				if (exception != null)
24				{
25					if (exception.InnerException != null)
26						exception = exception.InnerException;
27
28					Debug.WriteLine("Failure in async task: " + exception.Message);
29				}
30			}, TaskContinuationKind.OnFailed);
31		}
32
33		/// <summary>
34		/// Rethrows exceptions thrown during task execution in thespecified dispatcher thread.
35		/// </summary>
36		/// <param name="task">The task.</param>
37		/// <param name="dispatcher">The dispatcher.</param>
38		/// <returns></returns>
39		public static Task WithExceptionThrowingInDispatcher(this Task task, Dispatcher dispatcher)
40		{
41			return task.ContinueWith(t =>
42			{
43				dispatcher.BeginInvoke(() =>
44				{
45					throw t.Exception;
46				}, DispatcherPriority.Send);
47			}, TaskContinuationKind.OnFailed);
48		}
49	}
50}
51*/