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From "Jeremy Bauer (JIRA)" <>
Subject [jira] Updated: (OPENJPA-545) Replace UUID implementation with JDK 5 alternatives
Date Sun, 08 Jun 2008 23:21:45 GMT


Jeremy Bauer updated OPENJPA-545:

    Attachment: OPENJPA-545.patch

Attached is OPENJPA-545.patch, which provides type 4 UUID generators using standard Java 5
UUID support.  Two new generator types are defined to provide this support, "uuid-type4-string"
and "uuid-type4-hex".  Also included in the patch are jUnits and documentation updates.

Please review and provide comments.  Thanks!


> Replace UUID implementation with JDK 5 alternatives
> ---------------------------------------------------
>                 Key: OPENJPA-545
>                 URL:
>             Project: OpenJPA
>          Issue Type: Sub-task
>          Components: kernel
>    Affects Versions: 1.1.0
>            Reporter: Kevin Sutter
>            Assignee: Kevin Sutter
>         Attachments: OPENJPA-545.patch
> From the thread on the dev mailing list when we were discussing whether to get rid of
the JDK 1.4 requirement...
> "If we do down this path, we should look at replacing (or enhancing) our UUID implementation
with the UUID class that is now part of JDK 5 (
 I just heard from a user that the random number version of the UUID (version 4) provides
for more efficient index processing.  This is part of the Java implementation.  We should
take a look at that as an alternative."
> Thus, this sub-task...
> Kevin

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