> So, at this moment I know that I can: > > 1. Use a safe, magic and efficient way, but I need to know if it exists; > 2. Create a "light" instance using vfooclass.NewInstance method; > 3. hack the vmt. > > Which approach do you use?
I have worked with a bespoke OPF a few years ago. The way we got around this was to use a multitier approach and literally have the client ask the server questions in this kind of situation. The server was multithreaded and it cached information, so it usually didn't have much of an impact. So long as the network traffic was minimal and only happened once per session (the reply being cached) it worked well. We also used a complex inheritance tree with interfaces being passed back from the server rather than class references. There were also tight rules about implementing methods. Methods with no implementation were not allowed in persistently stored objects. I don't think there's much more really you can do. Other than caching the RTTI info for each class you use in this way. HTH _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
