[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-5026) Ability to customize Scanner strategies

[Andreas Joseph Krogh (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-5026?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=35910#action_35910 ] 

Andreas Joseph Krogh commented on HHH-5026:
-------------------------------------------

Does this affect HHH-4864 in any way, making it possible to merge persistent-units spread over multiple modules/jars? Any sufficiently modular application would be designed this way so it's very surprising Hibernate/JPA2 doesn't support this "out of the box".

I work on 2 projects relying on the approach described here http://ancientprogramming.blogspot.com/2007/05/multiple-persistencexml-files-and.html and I don't see an easy migration-path to JPA2.

> Ability to customize Scanner strategies
> ---------------------------------------
>
>                 Key: HHH-5026
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5026
>             Project: Hibernate Core
>          Issue Type: New Feature
>          Components: entity-manager
>    Affects Versions: 3.5.0-CR-2
>            Reporter: Emmanuel Bernard
>            Assignee: Emmanuel Bernard
>             Fix For: 3.5.0.Next
>
>
> hibernate.ejb.resource_scanner	
> By default, Hibernate EntityManager scans itself the list of resources for annotated classes and persistence deployment descriptors (like orm.xml and hbm.xml files).
> You can customize this scanning strategy by implementing org.hibernate.ejb.packaging.Scanner. This property is used by container implementors to improve integration with Hibernate.
> Accepts an instance of Scanner or the file name of a no-arg constructor class implementing Scanner.

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