private void CreateStream(bool withPull)
{
void Handler(Either <TSource, Exception> either)
{
if (either.IsLeft)
{
_open = true;
_resource.SetResult(either.ToLeft().Value);
if (withPull)
{
OnPull();
}
}
else
{
FailStage(either.ToRight().Value);
}
}
var cb = GetAsyncCallback <Either <TSource, Exception> >(Handler);
try
{
void Continue(Task <TSource> t)
{
if (t.IsCanceled || t.IsFaulted)
{
cb(new Right <TSource, Exception>(t.Exception));
}
else
{
cb(new Left <TSource, Exception>(t.Result));
}
}
_source._create().ContinueWith(Continue);
}
catch (Exception ex)
{
FailStage(ex);
}
}
private void CreateStream(bool withPull)
{
var cb = GetAsyncCallback <Either <TSource, Exception> >(either =>
{
if (either.IsLeft)
{
_resource.SetResult(either.ToLeft().Value);
if (withPull)
{
OnPull();
}
}
else
{
FailStage(either.ToRight().Value);
}
});
try
{
_source._create().ContinueWith(t =>
{
if (t.IsCompleted && !t.IsFaulted && t.Result != null)
{
cb(new Left <TSource, Exception>(t.Result));
}
else
{
cb(new Right <TSource, Exception>(t.Exception));
}
});
}
catch (Exception ex)
{
FailStage(ex);
}
}
private void CreateResource()
{
_stage._create().OnComplete(resource =>
{
try
{
CreatedCallback(resource);
}
catch (StreamDetachedException)
{
// stream stopped before created callback could be invoked, we need
// to close the resource if it is was opened, to not leak it
if (resource.IsSuccess)
{
_stage._close(resource.Success.Value);
}
else
{
// failed to open but stream is stopped already
throw resource.Failure.Value;
}
}
});
}