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From "Kalle Korhonen (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (TAP5-2115) Document how the hibernate session is implemented
Date Fri, 08 Jul 2016 19:27:11 GMT

     [ https://issues.apache.org/jira/browse/TAP5-2115?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kalle Korhonen reassigned TAP5-2115:
------------------------------------

    Assignee: Kalle Korhonen

> Document how the hibernate session is implemented
> -------------------------------------------------
>
>                 Key: TAP5-2115
>                 URL: https://issues.apache.org/jira/browse/TAP5-2115
>             Project: Tapestry 5
>          Issue Type: Documentation
>          Components: documentation, tapestry-hibernate
>            Reporter: Lance
>            Assignee: Kalle Korhonen
>            Priority: Minor
>              Labels: documentation, hibernate
>
> There have been many questions on the user's list about how the hibernate session is
implemented in tapestry-hibernate and also how to use tapestry-hibernate outside of a tapestry
managed request / response.
> I think that the documentation should mention the following:
> 1. The hibernate session service provided by tapestry-hibernate is a singleton
> 2. The singleton is a proxy that points to a per-thread, lazy loaded hibernate session
instance
> 3. The per-thread session instance is cleaned up by Registry.cleanupThread() /
> PerThreadManager.cleanup()
> 4. Tapestry automatically cleans up the thread local inside the normal request / response
flow
> 5. Outside of a tapestry managed request / response, you must explicitly cleanup the
thread
> 6. Transaction management outside of a request/response flow
>    a. @CommitAfter and @Match("*DAO") with HibernateTransactionAdvisor
>    b. HibernateSessionManager.commit() and abort()
>    c. session.getTransaction().commit()



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