public P_Set <T> Add(T value)
{
var add = Adds.FirstOrDefault(e => e.Id == value.Id);
var remove = Removes.FirstOrDefault(e => e.Id == value.Id);
if (add is not null || remove is not null)
{
return(this);
}
return(new(Adds.Add(value), Removes));
}
public LWW_SetWithVC <T> Remove(T value, VectorClock vectorClock)
{
if (Adds.Any(a => Equals(a.Value, value) && a.VectorClock < vectorClock))
{
var element = Removes.FirstOrDefault(r => r.Value.Id == value.Id);
ImmutableHashSet <LWW_SetWithVCElement <T> > elements = Removes;
if (element is not null)
{
elements = Removes.Remove(element);
}
return(new(Adds, elements.Add(new LWW_SetWithVCElement <T>(value, vectorClock))));
}
return(this);
}
public LWW_Set <T> Remove(T value, long timestamp)
{
if (Adds.Any(a => Equals(a.Value, value) && a.Timestamp < timestamp))
{
var element = Removes.FirstOrDefault(r => r.Value.Id == value.Id);
ImmutableHashSet <LWW_SetElement <T> > elements = Removes;
if (element is not null)
{
elements = Removes.Remove(element);
}
return(new(Adds, elements.Add(new LWW_SetElement <T>(value, timestamp))));
}
return(this);
}
