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From "Mamta A. Satoor (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-5955) Prepare Derby to run with Compact Profiles (JEP 161)
Date Wed, 28 Nov 2012 20:04:02 GMT

    [ https://issues.apache.org/jira/browse/DERBY-5955?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13505858#comment-13505858
] 

Mamta A. Satoor commented on DERBY-5955:
----------------------------------------

Hi Dag, thanks for taking on this big task. If possible, it will be helpful if you can provided
a class diagram for embedded and client data sources as they exist in trunk today. It will
make it easier to see the changes .Also, I was wondering what tool did you use to create the
class diagram? Thanks
                
> Prepare Derby to run with Compact Profiles (JEP 161)
> ----------------------------------------------------
>
>                 Key: DERBY-5955
>                 URL: https://issues.apache.org/jira/browse/DERBY-5955
>             Project: Derby
>          Issue Type: Improvement
>          Components: Documentation, JDBC, Services, SQL
>            Reporter: Dag H. Wanvik
>            Assignee: Dag H. Wanvik
>         Attachments: client-graph.png, derby-5955-proof-of-concept.diff, derby-5955-proof-of-concept.stat,
derby-5955-ser.zip, embedded-graph.png
>
>
> While waiting for a Java module system (aka project Jigsaw), it has been decided to define
a few subsets of the Java SE Platform Specification, cf JEP 161 ( http://openjdk.java.net/jeps/161).
> A quote from the JEP: "More broadly, this feature is intended to enable the migration
of applications currently built on top of the Java ME Connected Device Configuration (CDC)
to appropriate Profiles of the Java SE Platform, part of the long-term effort to converge
CDC with Java SE."
> It would be good if we make Derby to run on such limited profiles. The current proposal
places JDBC in Compact Profile 2 (cf. link above), while other libraries used by Derby, e.g.
javax.naming (JNDI) are in Profile 3 (larger).
> It would be good if Derby could run on the smallest posible platform, i.e. Profile 2,
but that will probably involve some changes to make Derby gracefully limit functionality when
some libraries are missing.

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