[hibernate-issues] [Hibernate-JIRA] Issue Comment Edited: (HHH-6938) Clarify the use of getHibernateConfiguration and Configuration handling with JPA bootstrap

[Stephane Nicoll (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-6938?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=44954#comment-44954 ] 

Stephane Nicoll edited comment on HHH-6938 at 1/5/12 8:28 AM:
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Hey Steve, thanks again for the response. I actually went through the redhat support and since 3.6 is not supported, I could not get any response from them. I perfectly understand the limitation of configuration and I agree with that. How about a constructor in Ejb3Configuration taking a Configuration instance ?

If you look how Spring is starting the JPA container, it goes through that PersistenceProvider and currently that's the only way as far as I can see to touch the Hibernate config before it starts.

And thanks for the pointers, I'll have a look. 

As far as this issue, my apologies. I realized indeed it was more a question than an issue itself. If there is an alternative to what I am currently doing with Spring bootstrap, I am more than happy to change my code (that is extending HibernatePersistence to change the config before the entity manager factory gets created).

      was (Author: snicoll):
    Hey Steve, thanks again for the response. I actually went through the redhat support and since 3.6 is not supported, I could not get any response from them. I perfectly understand the limitation of configuration and I agree with that. How about a constructor in Ejb3Configuration taking a Configuration instance ?

If you look how Spring is starting the JPA container, it goes through that PersistenceContext and currently that's the only way as far as I can see to touch the Hibernate config before it starts.

And thanks for the pointers, I'll have a look. 

As far as this issue, my apologies. I realized indeed it was more a question than an issue itself. If there is an alternative to what I am currently doing with Spring bootstrap, I am more than happy to change my code.
  
> Clarify the use of getHibernateConfiguration and Configuration handling with JPA bootstrap
> ------------------------------------------------------------------------------------------
>
>                 Key: HHH-6938
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-6938
>             Project: Hibernate Core
>          Issue Type: Task
>    Affects Versions: 3.6.5
>            Reporter: Stephane Nicoll
>
> Hi,
> I am willing to register custom types automatically when our application starts. We are using JPA2 and the EntityManager.
> To do so I can use a method on the Configuration object (registerTypeOverride). When configuring the JPA container, the PersistenceProvider can be extended. That's what I am doing but I came to this code (Ejb3Configuration on 3.6.5)
> {code:java}
>        /**
> 	 * This API is intended to give a read-only configuration.
> 	 * It is sueful when working with SchemaExport or any Configuration based
> 	 * tool.
> 	 * DO NOT update configuration through it.
> 	 */
> 	public AnnotationConfiguration getHibernateConfiguration() {
> 		//TODO make it really read only (maybe through proxying)
> 		return cfg;
> 	}
> {code}
> I believe there is a TODO here that may lead to a change that would disallow me to use the configuration object to register new types on startup. If this TODO gets ever resolved (why?), what could I do to register new types? 
> Thanks

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