[hibernate-issues] [Hibernate-JIRA] Commented: (BVAL-202) Apply constraints on the elements of an iterator

[Gunnar Morling (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/BVAL-202?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=42527#action_42527 ] 

Gunnar Morling commented on BVAL-202:
-------------------------------------

That's an interesting idea. I'm wondering what the exact semantics would be for nested collections:

{code:java}
@NotNull(appliesTo = ConstraintTarget.VALUES)
private Map<String, List<String>> myMap;
{code}

I think the most elegant solution would be using JSR 308, which is targetted for JDK 8. The question is whether we want to have some preliminary solution before.

> Apply constraints on the elements of an iterator
> ------------------------------------------------
>
>                 Key: BVAL-202
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/BVAL-202
>             Project: Bean Validation
>          Issue Type: New Feature
>          Components: spec-general
>            Reporter: Emmanuel Bernard
>            Assignee: Hardy Ferentschik
>
> The use case is the ability to ask a constraint to be applied, not on the annotated element itself but on the elements contained by the annotated element (typically an Iterator). Hardy and I have been discussing various options. I will list them in various comments

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