[Zope3-dev] Contained events interface inheritance order

[Roger Ineichen]

Hi Jim and Florent

[...]
> 
> I suggest:
> 
> - Rename IObjectMovedEvent to IObjectLocationEvent.  The old name
>    would be retained as an alias and deprecated.

Please use a verb like IObjectLocatedEvent instead of
IObjectLocationEvent.

> - Create a new event, IObjectRelocatedEvent that extends
>    IObjectLocationEvent and is generated whan an object is moved,
>    but not added or removed.  Possibly, down the road, 
> "relocated" could be
>    renamed to "moved".
> 
>    In your first use case, you'd register the subscriber for 
> both added
>    and relocated.  In your second, for just relocated.  You 
> could so something
>    similar for your before events.
> 
> - If necessary, intermediate event types could be defined to avoid
>    the duplicate registrations.
> 
> Of course, this would be for the June release.   It will also 
> cause spurious
> test failures.  We really need to have better ways to make 
> assertions about
> event histories.

Regards
Roger Ineichen

> Jim
> 
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