[hibernate-dev] On possible extensions for the validator

[Dag Hovland]

On 15/10/10 13:33, Emmanuel Bernard wrote:
(...)
> That being said, I wonder whether you can write your approach atop a generic class-level constraint @CrossValidation that would look for the properties annotations and behave as expected. That would be a nice way to offer both world to the users. You will need to "group" cross field constraints though: as I see it on the paper, you can only have one group of cross level constraint for a given constraint type per class.

I do not really understand this. Can you give an example?

Dag Hovland

PS: Thanks for the feedback :)

>
> PS: I am not necessarily convinced by the all-but-one property is null use case though. I smells like a bad OO design in the first place that lead to such need. But I can be wrong :)
>
> Emmanuel
>
> On 22 sept. 2010, at 09:08, Federico Mancini wrote:
>
>>   Hi all,
>> I am new to the list and I am opening this thread on Emmanuel Bernard's
>> suggestion, in order to
>> discuss some possible extensions to the validator (jsr 303) I have been
>> working on with a couple of collegues.
>> Mainly it concerns the possibility to extend composition with boolean
>> operators (ex.: A field is either in the range 1-10 OR 20-30 AND
>> notNull)  and allow validation of sets of interdependent properties
>> (ex.: EITHER the name field is notNull OR the surname field is notNull/
>> AT LEAST 1 field must be filled/etc....).
>>
>> A description of the experimental framework we implemented can be found
>> here http://www.ii.uib.no/publikasjoner/texrap/pdf/2009-389.pdf , and
>> some further discussion on the choices we made here
>> http://www.ii.uib.no/~federico/papers/Annotations.pdf.
>>
>> I hope this might be of some interest for the Hybernate Validator project,
>> but, even if not, it would be nice to get some feedback.
>>
>> Thanks,
>> Federico Mancini
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>
>
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