CAM RE: [ubl-dev] Low level versioning

[stephen.green@systml.co.uk]

What would be ideal for SBS would be a way to say: everything
is to throw a non-fatal exception except this list of elements



Quoting stephen.green@systml.co.uk:

> Quoting "David RR Webber (XML)" <david@drrw.info>:
>
> ...
>> In the CAM approach - you only need to change the CAM template when a
>> UID item changes that is in one of your templates (and maybe not even -
>> it can auto-adjust from a registry definition reference!!!).
>>
>> Fault tolerance is absolutely essential in making broad versioning and
>> interoperability work without a exponential cost in terms of support
>> and maintenance.
>>
>> One most obvious touch point for this is codelists and when permitted
>> value changes.  Do you want your system to fail when new values are
>> introduced - or adapt automatically?  Your decision will of course
>> depend on business context - and you want the ability to configure
>> behaviours depending - some examples - issue error and reject
>> transaction; issue warning /alert and accept transaction but put in
>> holding area; automatically update accepted values and proceed; or
>> ignore data changes - and pass content to downstream processing.
>>
> ...
>
> Does this mean CAM has a way to treat some elements or attributes
> as not so much invalid but requiring special treatment? I only
> noticed in the earlier example something like makeMandatory and
> makeOptional (sorry if not correct terms): is there something in
> between like makeThrowNonFatalException?
>
> This would be important for a CAM implementation of the UBL SBS.
>
> Thanks
>
> Steve
>
>
>
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