[hibernate-issues] [Hibernate-JIRA] Commented: (ANN-657) @Enumerated(value=EnumType.STRING) for Maps (java.util.EnumMap) ?

[Rob Hasselbaum (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/ANN-657?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_30297 ] 

Rob Hasselbaum commented on ANN-657:
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Strangely, you can get string-based enum map keys to work in Annotations 3.3.0 by annotating the collection with @Enumerated(value=EnumType.STRING), but that trick stopped working in 3.3.1. Instead, you get a serialization error. I'd love to see a real fix for this. Persisting enums by their ordinals is just too brittle.

> @Enumerated(value=EnumType.STRING) for Maps (java.util.EnumMap) ?
> -----------------------------------------------------------------
>
>                 Key: ANN-657
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-657
>             Project: Hibernate Annotations
>          Issue Type: Improvement
>    Affects Versions: 3.3.0.ga
>         Environment: hibernate 3.2.4.sp1; PostgresSql 8.2
>            Reporter: Michael Grünewald
>            Priority: Minor
>
> Hi, 
> I faced the problem, that I can't enforce a String-Mapping for an enum type key of an Map.
> E.g.:
> Map<? extends Enum<?>, String> 
> I would suppose to use an attribute for @MapKey to do that.
> E.g.: @MapKey (enumerated=EnumType.STRING)
> Please read the forum entry for  more informations.
> http://forum.hibernate.org/viewtopic.php?t=97827
> Greetings Michael

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