[bv-dev] Proposal for supporting new Java 8 date/time types

Gunnar Morling gunnar at hibernate.org
Thu Oct 6 05:32:49 EDT 2016

Hi Michael,

How is it going with the date/time proposal? Anything we should publish on
the website?

Regarding cross-field validation, can you detail your idea around "pair of


2016-09-28 16:18 GMT+02:00 Michael Nascimento <misterm at gmail.com>:

> On Wed, Sep 28, 2016 at 11:10 AM, Gunnar Morling <gunnar at hibernate.org>
> wrote:
>> For reference, that's the question:
>> > One of the most common scenarios with date/time types (applies to
>> ranges of all types
>> > though) is to have a start and end property for which start must be
>> (sometimes equal or)
>> > greater than now and end must be (sometimes equal or) greater than
>> start. Are we not
>> > supporting this somehow?
>> There is no explicit support for this in the spec. Currently you'd have
>> to write your custom class-level constraint for this sort of cross-field
>> validation (or use something as @ScriptAssert from the RI).
> I think my team was using class-level constraints for that before :-(
>> I definitely see how it's a sore point.
> It is. It would be really nice to support this, probably for any pair of
> Comparables. What do you think?
> Regards,
> Michael
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