public static async Task <IEnumerable <TState> > AddRangeAsync <TState, TActor>(this IStateCollection <TState> collection, IEnumerable <TActor> values, Func <TActor, Task <TState> > factory, IEqualityComparer <ActorReference> comparer = null)
where TState : ActorState <TActor>
where TActor : IActor
{
var list = await collection.GetAsync();
var actualRange = new List <TState>();
var set = new ActorStateSet <TState, TActor>(comparer);
foreach (var element in list)
{
set.Add(element);
}
foreach (var value in values)
{
var added = await set.AddAsync(value, factory);
if (added != null)
{
actualRange.Add(added);
}
}
if (actualRange.Count == 0)
{
return(actualRange);
}
return(await collection.AddRangeAsync(actualRange));
}
public static async Task <IEnumerable <TState> > RemoveRangeAsync <TState, TActor>(this IStateCollection <TState> collection, IEnumerable <TActor> values, IEqualityComparer <ActorReference> comparer = null)
where TState : ActorState <TActor>
where TActor : IActor
{
var list = await collection.GetAsync();
var set = new ActorStateSet <TState, TActor>(comparer);
foreach (var element in list)
{
set.Add(element);
}
return(await collection.RemoveRangeAsync(values.Select(value => set.Remove(value)).Where(removed => removed != null)));
}
