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);
}
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());
}
}
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);
}