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https://issues.apache.org/jira/browse/DERBY-5955?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13546455#comment-13546455
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Dag H. Wanvik commented on DERBY-5955:
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Thanks, Knut. Yes, that's right, similar concerns apply here as to the API
change on ClientBaseDataSource. I agreed with Rick on this and changed the
embedded structure accordingly. So, I guess we'd better err on the side of
caution here and introduce another base class as you suggest. I'll look into
the sharing issue to see if we can remove that redundancy.
> 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: apidiff.zip, client-graph.png,
> derby-5955-client-restructure-01.diff, derby-5955-client-restructure-01.stat,
> derby-5955-embed-restructure-01.diff, derby-5955-embed-restructure-01.stat,
> derby-5955-embed-restructure-02.diff, derby-5955-embed-restructure-02.stat,
> derby-5955-embed-restructure-03.diff, derby-5955-embed-restructure-03.stat,
> derby-5955-embed-restructure-04.diff, derby-5955-embed-restructure-04.stat,
> derby-5955-embed-restructure-followup.diff,
> derby-5955-embed-restructure-followup.stat,
> derby-5955-proof-of-concept-2.diff, derby-5955-proof-of-concept-2.stat,
> derby-5955-proof-of-concept.diff, derby-5955-proof-of-concept.stat,
> derby-5955-ser.zip, embedded-graph.png, old-client-graph.png,
> old-embedded-graph.png, publishedapi.zip, publishedapi.zip
>
>
> 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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