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List:       tapestry-dev
Subject:    [jira] [Commented] (TAP5-2553) Support pseudo nested JPA transactions, injectable entity listeners a
From:       "Jochen Kemnade (JIRA)" <jira () apache ! org>
Date:       2017-03-30 5:53:41
Message-ID: JIRA.12976186.1465243873000.161811.1490853221889 () Atlassian ! JIRA
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    [ https://issues.apache.org/jira/browse/TAP5-2553?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15948463#comment-15948463 \
] 

Jochen Kemnade commented on TAP5-2553:
--------------------------------------

[~kaosko], can we close this?

> Support pseudo nested JPA transactions, injectable entity listeners and pre/post \
>                 commit hooks
> ---------------------------------------------------------------------------------------------
>  
> Key: TAP5-2553
> URL: https://issues.apache.org/jira/browse/TAP5-2553
> Project: Tapestry 5
> Issue Type: New Feature
> Components: tapestry-jpa
> Affects Versions: 5.4.1
> Reporter: Kalle Korhonen
> Assignee: Kalle Korhonen
> Labels: jpa
> Fix For: 5.5.0
> 
> 
> Plain JPA does not support nested transaction but by keeping track of @CommitAfter \
> stack, we can support "pseudo nested" transactions. The concept was first \
> demonstrated in https://github.com/satago/tapestry-jpa-transactions. @kaosko \
> started an effort to merge the codebase to T5 \
> (https://github.com/satago/tapestry-jpa-transactions/pull/5) but because of \
> fundamental limitations in the original design (no support for multiple persistence \
> units, pre/post commit hooks were only available for the last transaction), @kaosko \
> refactored the implementation for more general use \
> (https://github.com/kaosko/tapestry-jpa-transactions). The original code was under \
> Apache license with support from the original authors to merge the codebase to T5 \
> and the refactored implementation was solely made by @kaosko. This issue is about \
> merging the refactored implementation to T5.5 and replacing the existing JPA \
> classes (mainly class workers, advisors) by the those provided by the new \
> implementation.



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