public P_Set <T> Remove(T value)
{
if (Adds.Any(e => e.Id == value.Id))
{
return(new(Adds, Removes.Add(value)));
}
return(this);
}
public bool Lookup(T value)
{
if (Removes.Any(r => Equals(r, value)))
{
return(false);
}
return(Adds.Any(r => Equals(r, value)));
}
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);
}