[bv-dev] @ConvertGroup and inheritance

[Gunnar Morling]

I've submitted https://github.com/beanvalidation/beanvalidation-spec/pull/33for
BVAL-332.

--Gunnar


2012/11/12 Gunnar Morling <gunnar at hibernate.org>

> I created https://hibernate.onjira.com/browse/BVAL-332 for this.
>
>
> 2012/11/9 Emmanuel Bernard <emmanuel at hibernate.org>
>
>> I like your first option too. Can you also add an issue at the spec
>> level? Ideally do a pull request.
>>
>>
>> On 9 nov. 2012, at 19:01, Gunnar Morling <gunnar at hibernate.org> wrote:
>>
>> Hi all,
>>
>> I'm about to implement group conversion via @ConvertGroup in the RI.
>>
>> I'm wondering how we should deal with situations where @ConvertGroup is
>> given for a one property of a base class and again on a sub-class (same for
>> interface and impl):
>>
>> public class Foo {
>>
>>     @Valid
>>     @ConvertGroup(from=Default.class, to=AnotherGroup.class)
>>     Bar getBar() { ... }
>> }
>>
>> public class Baz extends Foo {
>>
>>     @Override
>>     @Valid
>>     @ConvertGroup(from=SomeGroup.class, to=YetAnotherGroup.class)
>>     Bar getBar() { ... }
>> }
>>
>> AFAICS we've got the following options here (in descending order of my
>> preference):
>>
>> * Merge all the conversions for a property from the hierarchy (so
>> behavior is the same as when all conversions would have been given in one
>> place using @ConvertGroup.List)
>> * Consider only the top/bottom most conversion rule from the inheritance
>> hierarchy
>> * Allow only one conversion for a property in the hierarchy, throw an
>> exception if multiple conversions are given
>>
>> Any thoughts?
>>
>> --Gunnar
>>
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>
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