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From "Donald Woods (JIRA)" <j...@apache.org>
Subject [jira] Updated: (OPENJPA-1402) Improve (avoid) lock on relation field per 2.0 spec semantics
Date Wed, 24 Feb 2010 14:36:28 GMT

     [ https://issues.apache.org/jira/browse/OPENJPA-1402?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Donald Woods updated OPENJPA-1402:
----------------------------------

    Affects Version/s:     (was: 2.0.0-beta)
        Fix Version/s:     (was: 2.0.0-beta2)
                       2.0.0-beta

> Improve (avoid) lock on relation field per 2.0 spec semantics
> -------------------------------------------------------------
>
>                 Key: OPENJPA-1402
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-1402
>             Project: OpenJPA
>          Issue Type: Improvement
>          Components: jpa
>    Affects Versions: 2.0.0-M3
>            Reporter: Albert Lee
>            Assignee: Albert Lee
>            Priority: Minor
>             Fix For: 2.0.0-beta
>
>
> Current pessimistic lock manager locks relation fields by default.
> JPA 2.0 spec does not require relation field to be locked for better concurrency. This
JIRA is used to implement the 2.0 locking semantics only if mixed lock manager is deployed.

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