public static Task <T> AsTask <T>([NotNull] this IRdTask <T> task)
{
if (task == null)
{
throw new ArgumentNullException(nameof(task));
}
var tcs = new TaskCompletionSource <T>();
task.Result.AdviseOnce(Lifetime.Eternal, result =>
{
switch (result.Status)
{
case RdTaskStatus.Success:
tcs.SetResult(result.Result);
break;
case RdTaskStatus.Canceled:
tcs.SetCanceled();
break;
case RdTaskStatus.Faulted:
tcs.SetException(result.Error);
break;
default:
throw new ArgumentOutOfRangeException(result.Status.ToString());
}
});
return(tcs.Task);
}
public static Task <T> ToTask <T>(IRdTask <T> task)
{
var tcs = new TaskCompletionSource <T>();
task.Result.Advise(Lifetime.Eternal, r =>
{
switch (r.Status)
{
case RdTaskStatus.Success:
tcs.SetResult(r.Result);
break;
case RdTaskStatus.Canceled:
tcs.SetCanceled();
break;
case RdTaskStatus.Faulted:
tcs.SetException(r.Error);
break;
default:
throw new ArgumentOutOfRangeException();
}
});
return(tcs.Task);
}
public static RdTask <T> ToRdTask <T>(this IRdTask <T> task, Lifetime lifetime)
{
if (task is RdTask <T> rdTask)
{
return(rdTask);
}
var newRdTask = new RdTask <T>();
task.Result.Advise(lifetime, result =>
{
switch (result.Status)
{
case RdTaskStatus.Success:
newRdTask.Set(result.Result);
break;
case RdTaskStatus.Canceled:
newRdTask.SetCancelled();
break;
case RdTaskStatus.Faulted:
newRdTask.Set(result.Error);
break;
}
});
return(newRdTask);
}
public static bool Wait <T>(this IRdTask <T> task, TimeSpan timeout)
{
var evt = new ManualResetEvent(false);
task.Result.Advise(Lifetime.Eternal, _ => evt.Set());
return(evt.WaitOne((int)timeout.TotalMilliseconds));
}
public static bool Wait <T>(this IRdTask <T> task, TimeSpan timeout) => SpinWaitEx.SpinUntil(Lifetime.Eternal, timeout, () => task.Result.HasValue());
[PublicAPI] public static bool IsFaulted <T>(this IRdTask <T> task) => task.Result.HasValue() && task.Result.Value.Status == RdTaskStatus.Faulted;
public static bool IsCanceled <T>(this IRdTask <T> task) => task.Result.HasValue() && task.Result.Value.Status == RdTaskStatus.Canceled;
public static bool IsSucceed <T>(this IRdTask <T> task) => task.Result.HasValue() && task.Result.Value.Status == RdTaskStatus.Success;
