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From "Rick Hillegas (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-5955) Prepare Derby to run with Compact Profiles (JEP 161)
Date Fri, 01 Feb 2013 13:32:13 GMT

    [ https://issues.apache.org/jira/browse/DERBY-5955?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13568737#comment-13568737
] 

Rick Hillegas commented on DERBY-5955:
--------------------------------------

Thanks, Dag. These changes look good. One additional refinement might be possible:

In the overview page for the JDBC4 version of org.apache.derby.jdbc, the summaries for the
old datasources are formatted oddly and contain too much information. I believe this is caused
by the fact that the summary table is generated by the javadoc tool. For each class it makes
a summary comment consisting of everything in the class header comment up to the first period.
I think the summaries for these classes would look more like the summaries for the other classes
if the first period were put after the phrase "full Java SE 8". Then there's the odd formatting
of the list which is included in the summary comment: the two lines of the list are appended
and it's hard to parse sense out of the result. I don't know how to get a readable summary
line and preserve the original list. You might consider collapsing the list into the preceding
sentence in order to make the summary more readable. 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: JDBC, Services, SQL
>            Reporter: Dag H. Wanvik
>            Assignee: Dag H. Wanvik
>             Fix For: 10.10.0.0
>
>         Attachments: apidiff.zip, client-graph.png, derby-5955-add-cp2-to-jars.diff,
derby-5955-client-restructure-01.diff, derby-5955-client-restructure-01.stat, derby-5955-client-restructure-02-delta.diff,
derby-5955-client-restructure-02.diff, derby-5955-client-restructure-02.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-javadoc.diff, derby-5955-javadoc-followup.diff, derby-5955-javadoc.status, derby-5955-make-tests-run-01.diff,
derby-5955-make-tests-run-01.stat, derby-5955-make-tests-run-02.diff, derby-5955-make-tests-run-02.stat,
derby-5955-make-tests-run-03.diff, derby-5955-new-non-jndi-ds-01.diff, derby-5955-new-non-jndi-ds-01.stat,
derby-5955-new-non-jndi-ds-02.diff, derby-5955-new-non-jndi-ds-02.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-rename.diff, derby-5955-ser-b.zip, 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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