public Task AddObserverAsync(IEntityGrainObserverNotifications observer)
{
// TODO: Hack to avoid subscribing the solution grain observer twice
if (this.observers.Count == 0)
{
this.observers.Subscribe(observer);
}
return(Task.CompletedTask);
}
public Task RemoveObserverAsync(IEntityGrainObserverNotifications observer)
{
return(providerGrain.RemoveObserverAsync(observer));
}
public Task RemoveObserverAsync(IEntityGrainObserverNotifications observer)
{
this.observers.Unsubscribe(observer);
return(Task.CompletedTask);
}