Sorry for being so prescriptive in my first email about interfaces and
mocking and starting a bit of a side discussion about interfaces Vs
abstract classes. It smells a little like a no-one-right-answer
discussion that has probably been debated in every API forum.
I think most people could live
Full disclosure - I am the one who has suggested a possible evolution of
Activity. I was suggested the introduction of a mechanism to allow an
existing Activity to be informed when the Place has changed but the Activity
has not (e.g. when there is a change in Place tokens). I commented about how
