[occi-wg] Query uniqueness

[Gary Mazz]

Hi Thijs,

Thanks for the pointer to the guidelines.. I think we need to be a 
little more rigid than generic web technologies. We just need to 
identify issues and develop practices to resolve them. Once technology 
and practices are defined they can be made testable for certification by 
independent services or govt agencies.

-gary

On 4/11/2011 10:45 AM, Thijs Metsch wrote:
>
> BTW: HTTP spec also says on user-defined mix-in creation:
>
>     The service might reject this request if it does not allow
>     user-defined \hl{Mixin}s to be created. Also on name collisions of
>     the defined location path the service provider MAY reject this
>     operation.
>
> -Thijs
>
> -----Original Message-----
> From: occi-wg-bounces at ogf.org on behalf of Ralf Nyren
> Sent: Mon 11.04.2011 17:59
> To: Andre Merzky
> Cc: occi-wg at ogf.org
> Subject: Re: [occi-wg] Query uniqueness
>
>
> On Mon, 11 Apr 2011 18:51:04 +0300, Andre Merzky <andre at merzky.net> wrote:
>
> >> This means that with user-defined Mixins an OCCI service must refuse to
> >> create a Mixin for which the specified location path already is taken.
> >
> > which basically means that you need a registry of valid mixins?
>
> You need a registry of all Mixins visible to a particular user, yes. Not
> sure if that is what you meant.
>
> A simple registry could be a hash-map with "location" as the key and the
> Mixin object as value. When a user attempts to add a Mixin check the
> hash-map, if location is already there, return a Bad Request.
>
> Which Mixins are valid or not in terms of scheme + term is up to the
> provider to decide (afaik).
>
> /Ralf
>
>
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