On Sunday December 5 2010 12:23:51 Anders Logg wrote: > On Sun, Dec 05, 2010 at 04:36:56PM +0000, Garth N. Wells wrote: > > On 05/12/10 16:31, Anders Logg wrote: > > >It would be good to move the id() function to the Variable class. That > > >way we have it for free for all classes that subclass Variable (which > > >are most classes). The overhead will be minimal. > > > > I'm not so sure. It needs to be used with some care in the > > multi-threaded case, and putting it in Variable would mean that we > > have to worry about thread issues for any Variable sub-class.
If we make it thread safe for one case (Mesh), wont it be threadsafe for all other cases? Johan > Yes, maybe. But we should at least make the id() a derived property > for Mesh. We can put the unique_id member variable and the id member > function in a separate class named "ID" (or similar). Then Mesh can > derive from both Variable and ID. That way, we can easily add the > property to other classes when we need it. > > -- > Anders > > _______________________________________________ > Mailing list: https://launchpad.net/~dolfin > Post to : [email protected] > Unsubscribe : https://launchpad.net/~dolfin > More help : https://help.launchpad.net/ListHelp _______________________________________________ Mailing list: https://launchpad.net/~dolfin Post to : [email protected] Unsubscribe : https://launchpad.net/~dolfin More help : https://help.launchpad.net/ListHelp

