public IRequestProgressObservable <TItem, TResult> MonitorUntil <TItem, TResult>(
IPartialItemRequest <TResult, TItem> request, Func <TItem, TResult, TResult> factory,
CancellationToken cancellationToken
)
{
request.SetPartialResultToken();
if (_activeObservables.TryGetValue(request.PartialResultToken !, out var o) && o is IRequestProgressObservable <TItem, TResult> observable)
{
return(observable);
}
observable = new RequestProgressObservable <TItem, TResult>(
_serializer, request.PartialResultToken, MakeRequest(request), factory,
cancellationToken, () => _activeObservables.TryRemove(request.PartialResultToken, out _)
);
_activeObservables.TryAdd(request.PartialResultToken, observable);
return(observable);
}
public IRequestProgressObservable <TItem, TResult> MonitorUntil <TItem, TResult>(
IPartialItemRequest <TResult, TItem> request,
Func <TItem, TResult> factory,
CancellationToken cancellationToken
)
{
request.SetPartialResultToken();
if (_activeObservables.TryGetValue(request.PartialResultToken !, out var o) &&
o is IRequestProgressObservable <TItem, TResult> observable)
{
return(observable);
}
observable = new PartialItemRequestProgressObservable <TItem, TResult>(
_serializer,
request.PartialResultToken !,
MakeRequest(request),
(x, _) => factory(x),
_ => default !,