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https://issues.apache.org/jira/browse/DERBY-5955?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13505995#comment-13505995
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Dag H. Wanvik commented on DERBY-5955:
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Good idea, Mamta! I'll make diagrams for the old ones and upload them. As for
tool, I used a hack: a combination of my own parser to extract Java
implements/extends info from the all the Derby classes, then Emacs Lisp to
select a subset of those dependencies using a regular expression on the class
name and convert the data into the ".dot" source file format of Graphviz
(http://www.graphviz.org), which generated the diagrams.
> 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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