[bv-dev] Value extraction open issue #2: per constraint ConstraintsApplyTo?

[Emmanuel Bernard]

s/other/order from the JVM/

> On 13 Jan 2017, at 15:54, Emmanuel Bernard <emmanuel at hibernate.org> wrote:
> 
> I looked at that, and I’m not sure you are guaranteed to get an other.
> Plus you have this problem
> 
> @Min
> @Min.List({@Min, @Min})
> @Min
> BooYahh foo;
> 
>> On 13 Jan 2017, at 15:22, Gunnar Morling <gunnar at hibernate.org> wrote:
>> 
>> As a variation of Matt's idea, an optional index() parameter could be added:
>> 
>>   @Size(1)
>>   @Size(3)
>>   @ApplyConstraintTo(constraint=Size.class, index=1, target=WRAPPED_VALUE)
>>   List<String> nicknames;
>> 
>> It could be omitted (via a default value of -1 or similar) if there is
>> only one constraint of the type in question:
>> 
>>   @NotNull
>>   @Email
>>   @ApplyConstraintTo(constraint=NotNull.class, target=ANNOTATED_ELEMENT)
>>   Optional<String> email;
>> 
>> Does the trick, though it's still a tad verbose.
>> 
>> 
>> 2017-01-13 14:58 GMT+01:00 Emmanuel Bernard <emmanuel at hibernate.org>:
>>> 
>>> On 13 Jan 2017, at 13:29, Guillaume Smet <guillaume.smet at gmail.com> wrote:
>>> 
>>> On Fri, Jan 13, 2017 at 1:01 PM, Gunnar Morling <gunnar at hibernate.org>
>>> wrote:
>>>> 
>>>> Unfortunately, validationAppliesTo() is already taken:
>>>> 
>>>> http://beanvalidation.org/latest-draft/spec/#constraintsdefinitionimplementation-constraintdefinition-validationappliesto
>>>> 
>>>> It's used to distinguish between return value and cross-parameter
>>>> constraints.
>>>> 
>>>> Any other name I can think of right now would make up for much
>>>> confusion with that option.
>>> 
>>> 
>>> Too good to be true :).
>>> 
>>> That being said, I'm wondering if we could reuse it and just add 2 other
>>> values to ConstraintTarget. All in all, it's the same concept. The default
>>> being IMPLICIT is not too bad either.
>>> 
>>> 
>>> Right I think it’s worth exploring.
>>> I still like my group repurposing trick though even if it offenses the clean
>>> camp :)
>>> 
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>> 
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> 
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