[Zope3-dev] Missing ObjectContentModifiedEvent

Jim Fulton jim at zope.com
Fri May 6 11:25:54 EDT 2005


Garrett Smith wrote:
> Uwe Oestermeier wrote:
> 
>>In the meanwhile we need a decision, whether the
>>ObjectContentModifiedEvent should be used in the File._setData
>>method. I  would like to check this solution in. Any objections? The
>>ObjectContentModifiedEvent class can be removed later on, if noone
>>else is using it.    
> 
> 
> -1 if ObjectContentModifiedEvent does't have a clear distinction from
> ObjectModifiedEvent. For my part, I don't see a difference in modifying
> a 'data' attribute because it's a large number of bytes, versus
> modifying a 'title' attribute or some other non-'content' value.
> 
> If ObjectModifiedEvent isn't firewhen when a file's data changes, it
> should be (assuming people buy my previous point :)

I think the distinction is pretty clear.

We divide information into ordinary/intrinsic and meta/extrinsic informatiom.

IObjectContentModifiedEvent should indicate that intrinsic information
has changed.

IObjectAnnotationsModifiedEvent, which isn't well named, should indicate
that extrinsic/meta information has changed.

I agree that a more precise model might be useful, if one could design one
that made sense. <shrug>

Jim

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