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

[Emmanuel Bernard (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/BVAL-202?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=35829#action_35829 ] 

Emmanuel Bernard commented on BVAL-202:
---------------------------------------

Solution #3
Let constraints not defining a ConstraintValidator<Constraint, Iterable<?>> (or any of the Iterator subclasses) be applied on the collection elements. This works well as applying such a constraint today on a Iterable<?> raises a runtime exception.

Use solution #1 or #2 for constraints that do declare a ConstraintValidator<Constraint, Iterable<?>>

@NotNull
@Size(max=30)
@Size(max=50, validElements=true)
@Email
Collection<String> emails;

> 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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