[bv-dev] Bean Validation 1.1 -> 2.0 review

Emmanuel Bernard emmanuel at hibernate.org
Fri Jun 2 05:25:44 EDT 2017

> If the constraint is a generic constraint, the following rules apply. If the constraint declaration is hosted on a class or an interface, the targeted type is the class or the interface. If the constraint is hosted on a class attribute, the type of the attribute is the targeted type. If the constraint is hosted on a method (getter or non-getter) or constructor, the return type is the targeted type. If the constraint is hosted on a method or constructor parameter, the parameter type is the targetedtype. If the constraint is hosted o…

This paragraph is massive. Any chance to convert it to bullet points to make the alternatives more visual?


> When detecting a container element constraint or a container element marked with @Valid, the value extractor forobtaining the container’s elements must be determined.

[…] is determined (instead of must be

> On 2 Jun 2017, at 15:35, Emmanuel Bernard <emmanuel at hibernate.org> wrote:
> Hey all
> I could not do much but I promised Gunnar to review one last time the 1.1 -> 2.0 diff
> http://beanvalidation.org/2.0/spec/2.0.0.beta2/diff/diff-to-1.1/ <http://beanvalidation.org/2.0/spec/2.0.0.beta2/diff/diff-to-1.1/>
> I did not find much and dod not checked it all but here is at least a few things
> Example 3.10: Multi-valued constraint declaration using explicit @List annotation
> I’d put in the example title that it is a discouraged pattern
> 3.3
> "composing constraints are directly given on the composed constraint” -> "composing constraints are directly given on the composed constraint (i.e. via the repeatable annotation feature)"
> "refers to the left-to-right order” -> I got puzzled by that one especially as we can put them on new lines. I would say “refers to the order in which they are declared”
> Example 3.21 / 3.24
> I find it odd to ahve the private method return null
> Can we make it a full example?
> 4.1 add an exemple of non generic container usage maybe
> 4.4 
> A value extractor for java.util.Optional:
> Maybe a comment reminding that the null is passed to have no path node entry
> Maybe more to come later
> Emmanuel
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