On Dec 15, 2011, at 10:54 AM, Johannes Erdfelt wrote: What kinds of things? I'm just trying to better understand what is object-oriented about the data returned from a database? What methods would we want to use? JE Any direct access to the data within a record should be encapsulated within the model object. For example, changing an instance's progress should be a method on Instance, not a method buried in vmops. ~ Aaron -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20111215/63d44f6b/attachment.html>