private static AsyncTaskCallInAdapter EndHelper(NativeCommon.IFabricAsyncOperationContext nativeContext)
{
AsyncTaskCallInAdapter adapter = nativeContext as AsyncTaskCallInAdapter;
Requires.Argument <AsyncTaskCallInAdapter>("adapter", adapter).NotNull();
if (Interlocked.CompareExchange(ref adapter.wasEndCalled, 1, 0) != 0)
{
// calling end twice
AppTrace.TraceSource.WriteError(adapter.functionTag, "AsyncTaskCallInAdapter.End was called twice");
ReleaseAssert.Failfast(string.Format(CultureInfo.CurrentCulture, StringResources.Error_AsyncTaskCallInAdapter_End_Called_Twice_Formatted, adapter.functionTag));
throw new InvalidOperationException(StringResources.Error_AsyncTaskCallInAdapter_End_Called_Twice); // ReleaseAssert.Fail will throw
}
AppTrace.TraceSource.WriteNoise(adapter.functionTag, "End");
try
{
adapter.userTask.Wait();
}
catch (AggregateException ex)
{
Exception inner = ex.InnerException;
AppTrace.TraceSource.WriteExceptionAsWarning(adapter.functionTag, inner, "Exception thrown during async task execution");
adapter.interopApi.HandleException(ex.GetBaseException());
Utility.TryTranslateManagedExceptionToCOMAndThrow(inner);
throw inner;
}
return(adapter);
}
public static TResult End <TResult>(NativeCommon.IFabricAsyncOperationContext nativeContext)
{
AsyncTaskCallInAdapter adapter = AsyncTaskCallInAdapter.EndHelper(nativeContext);
return((adapter.userTask as Task <TResult>).Result);
}
public static void End(NativeCommon.IFabricAsyncOperationContext nativeContext)
{
AsyncTaskCallInAdapter.EndHelper(nativeContext);
}