[hibernate-issues] [Hibernate-JIRA] Commented: (HV-471) Group has to be an interface - Documentation or code bug

[Hardy Ferentschik (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HV-471?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=42261#action_42261 ] 

Hardy Ferentschik commented on HV-471:
--------------------------------------

To which section of the spec are you referring. I cannot find your statement.

Here is a quote from section _3.4 Group and group sequence_ though:
{quote}
A group defines a subset of constraints. Instead of validating all constraints for a given object graph, only a subset
is validated. This subset is defined by the the group or groups targeted. Each constraint declaration defines the list
of groups it belongs to. If no group is explicitly declared, a constraint belongs to the Default group.

*Groups are represented by interfaces*.
{quote}

> Group has to be an interface - Documentation or code bug
> --------------------------------------------------------
>
>                 Key: HV-471
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HV-471
>             Project: Hibernate Validator
>          Issue Type: Task
>    Affects Versions: 4.1.0.Final
>            Reporter: Vladislav Pernin
>
> The documentation says :
> The Bean Validation specification does not enforce that groups have to be interfaces. Non interface classes could be used as well, but we recommend to stick to interfaces.
> But the code says something else :
> javax.validation.ValidationException: A group has to be an interface. <class.name> is not.
> 	at org.hibernate.validator.engine.groups.GroupChainGenerator.getGroupChainFor(GroupChainGenerator.java:52)
> 	at org.hibernate.validator.engine.ValidatorImpl.determineGroupExecutionOrder(ValidatorImpl.java:176)
> 	at org.hibernate.validator.engine.ValidatorImpl.validate(ValidatorImpl.java:113)
> Could it be related to HV-165 ?

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