--- On Fri, 3/12/10, Adam Heath <doo...@brainfood.com> wrote: > Search for synchronized in > ShoppingCart. You'll fine a couple of > spots that lock on cartLines, a few that lock in the class > instance > itself. But then no other hits. > > However, tons of internal variables all need to be kept > self-consistent with each other, so locking against just > one or the > other of those variables won't work.
These same problems exist in a number of classes - not just the shopping cart (take a look at SequenceUtil for some really scary code). That's why I suggested a synchronization best practices page that the community can follow. -Adrian
