Example #1
0
            public override object WaitForPendingOperationsToComplete(object invocationResult)
            {
                var awaitAdapter = AwaitAdapter.FromAwaitable(invocationResult);

                if (!awaitAdapter.IsCompleted)
                {
                    var waitStrategy = MessagePumpStrategy.FromCurrentSynchronizationContext();
                    waitStrategy.WaitForCompletion(awaitAdapter);
                }

                // Future: instead of Wait(), use GetAwaiter() to check awaiter.IsCompleted above
                // and use awaiter.OnCompleted/awaiter.GetResult below.
                // (Implement a ReflectionAwaitAdapter)
                try
                {
                    invocationResult.GetType().GetMethod(TaskWaitMethod, new Type[0]).Invoke(invocationResult, null);
                }
                catch (TargetInvocationException e)
                {
                    IList <Exception> innerExceptions = GetAllExceptions(e.InnerException);
                    ExceptionHelper.Rethrow(innerExceptions[0]);
                }
                var args = invocationResult.GetType().GetGenericArguments();

                if (args != null && args.Length == 1 && args[0].Name == VoidTaskResultType)
                {
                    return(null);
                }

                PropertyInfo taskResultProperty = invocationResult.GetType().GetProperty(TaskResultProperty, TaskResultPropertyBindingFlags);

                return(taskResultProperty != null?taskResultProperty.GetValue(invocationResult, null) : invocationResult);
            }
Example #2
0
        public static object Await(Func <object> invoke)
        {
            Guard.ArgumentNotNull(invoke, nameof(invoke));

            using (InitializeExecutionEnvironment())
            {
                var awaitAdapter = AwaitAdapter.FromAwaitable(invoke.Invoke());

                if (!awaitAdapter.IsCompleted)
                {
                    var waitStrategy = MessagePumpStrategy.FromCurrentSynchronizationContext();
                    waitStrategy.WaitForCompletion(awaitAdapter);
                }

                return(awaitAdapter.GetResult());
            }
        }
Example #3
0
        public static object Await(Func <object> invoke)
        {
            Guard.ArgumentNotNull(invoke, nameof(invoke));

            object invocationResult;

            using (InitializeExecutionEnvironment())
            {
                invocationResult = invoke.Invoke();
                if (invocationResult == null || !IsTaskType(invocationResult.GetType()))
                {
                    throw new InvalidOperationException("The delegate did not return a Task."); // General awaitable support coming soon.
                }
                var awaitAdapter = AwaitAdapter.FromAwaitable(invocationResult);

                if (!awaitAdapter.IsCompleted)
                {
                    var waitStrategy = MessagePumpStrategy.FromCurrentSynchronizationContext();
                    waitStrategy.WaitForCompletion(awaitAdapter);
                }
            }

            // Future: instead of Wait(), use GetAwaiter() to check awaiter.IsCompleted above
            // and use awaiter.OnCompleted/awaiter.GetResult below.
            // (Implement a ReflectionAwaitAdapter)
            try
            {
                invocationResult.GetType().GetMethod(TaskWaitMethod, new Type[0]).Invoke(invocationResult, null);
            }
            catch (TargetInvocationException e)
            {
                IList <Exception> innerExceptions = GetAllExceptions(e.InnerException);
                ExceptionHelper.Rethrow(innerExceptions[0]);
            }
            var genericArguments = invocationResult.GetType().GetGenericArguments();

            if (genericArguments.Length == 1 && genericArguments[0].Name == VoidTaskResultType)
            {
                return(null);
            }

            PropertyInfo taskResultProperty = invocationResult.GetType().GetProperty(TaskResultProperty, TaskResultPropertyBindingFlags);

            return(taskResultProperty != null?taskResultProperty.GetValue(invocationResult, null) : invocationResult);
        }