[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-2035) Generate hibernate.cfg file from used persisted entities only

[Max Rydahl Andersen (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-2035?page=comments#action_24214 ] 

Max Rydahl Andersen commented on HHH-2035:
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the idea is good, but the impl won't be something we put into hibernate core.

if you want to keep the idea alive enter it into the tools project so we won't forget it. 

but in the end might just end up as something in the sandbox or our wiki.

> Generate hibernate.cfg file from used persisted entities only
> -------------------------------------------------------------
>
>          Key: HHH-2035
>          URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2035
>      Project: Hibernate3
>         Type: New Feature

>   Components: core
>  Environment: Hibernate 3.x + Hibernate annotations
>     Reporter: Holger Haag
>     Priority: Minor
>  Attachments: AbstractEntityPersister.patch, PersistedEntities.java, TwoPhaseLoad-writeUsedPersisters.patch, hibernate-template.cfg.xml
>
>
> Original post from Hibernate forum: http://forum.hibernate.org/viewtopic.php?t=963888
> The patch allows to call a new method TwoPhaseLoad.writeUsedPersisters which will generate a complete hibernate.cfg configuration file containing only the entities which have been persisted so far. 
> The rationale behind this is that for unit test cases it is often sufficient - and much faster - to initialize hibernate with only a subset of all persisted classes, but it is cumbersome to find out which subset is the smallest possible.
> Attached is a SVN patch for the latest SVN trunk and a sample template file.
> Feel free to modify/put it into the hibernate code in any way you want, I think it can increase productivity - startup times for my test cases have dropped by 10 seconds.
> Please note that this patch will only work if you use Hibernate annotations since the generated XML file only contains class, not column mappings.

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