public ORSet <T> Effect(ORSet <T> crdt, object operation, DurableEvent e)
{
switch (operation)
{
case AddOp add: return(crdt.Add((T)add.Entry, e.VectorTimestamp));
case RemoveOp rem: return(crdt.Remove(rem.Timestamps));
default: throw new NotSupportedException($"ORSet doesn't support [{operation.GetType().FullName}] operation.");
}
}
public object Prepare(ORSet <T> crdt, object operation)
{
switch (operation)
{
case RemoveOp rem:
var timestamps = crdt.PrepareRemove((T)rem.Entry);
if (timestamps.IsEmpty)
{
return(null);
}
else
{
return(new RemoveOp(rem.Entry, timestamps));
}
default: return(operation);
}
}
public ImmutableHashSet <T> Value(ORSet <T> crdt) => crdt.Value;
public ORCart(ORSet <ORCartEntry <T> > inner)
{
this.inner = inner;
}