Re: [office-metadata] Revision and stable ids

[Svante Schubert <Svante.Schubert@Sun.COM>]

Bruce D'Arcus wrote:
>
> On Mar 15, 2007, at 2:01 PM, Svante Schubert wrote:
>
> ...
>>> A revision id (another UUID) generated when the document opens and
>>> available for minting new URIs, but only committed upon saving the
>>> document.
>>>
>> Another UUID, not an Integer?
>
> It's probably more reliable for it to be another UUID, precisely to 
> account for the extreme case of your cp example. The base UUID would 
> be the same between the instances, but the version numbers would 
> always vary between them. Therefore, the constructed URIs would also 
> vary.
The UUID would give us no advantage, the copy won't know being a copy.
Furthermore, if the revision is not incremented, but being generated, 
numbers are not ordered and can not put into a chronological sequence.
In this case we might use as well hash-values as used in peer-to-peer 
file exchange.

Svante.