public OrSet <T> Updated(OrSet <T> crdt, object operation, DurableEvent e)
{
if (operation is RemoveOp <T> )
{
var remove = (RemoveOp <T>)operation;
return(crdt.Remove(remove.Entry, remove.Timestamps));
}
if (operation is AddOp <T> )
{
var add = (AddOp <T>)operation;
return(crdt.Add(add.Entry, e.VectorTimestamp));
}
return(crdt);
}
public object Updating(OrSet <T> crdt, object operation)
{
if (operation is RemoveOp <T> )
{
var op = (RemoveOp <T>)operation;
var timestamps = crdt.PrepareRemove(op.Entry);
if (timestamps.Count != 0)
{
return(new RemoveOp <T>(op.Entry, timestamps));
}
return(null);
}
return(operation);
}
public IImmutableSet <T> GetValue(OrSet <T> crdt)
{
return(crdt.Value.ToImmutableHashSet());
}