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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-6213) Deprecate support for Java 5 and CDC
Date Mon, 03 Jun 2013 12:04:21 GMT

     [ https://issues.apache.org/jira/browse/DERBY-6213?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Knut Anders Hatlen updated DERBY-6213:
--------------------------------------

    Attachment: simplify-with-java5.diff

I've found a small number of code comments that suggest code can be simplified once the base
level is at least Java 5. The attached patch, simplify-with-java5.diff, makes the suggested
changes.

SqlXmlUtil: Simplify formatting of numbers by using BigDecimal methods introduced in Java
5

StringUtil: stringify(int[]) is documented to be equivalent to java.util.Arrays.toString(int[])
in Java 5. However, it's unused, so the patch removes it. If new code ever needs this functionality,
it could call Arrays.toString() directly.

OverflowInputStream: A comment suggests wrapping of an exception could be simplified by using
one of IOException's new constructors. The patch makes the error handler use the new constructor.

I've started the regression tests.
                
> Deprecate support for Java 5 and CDC
> ------------------------------------
>
>                 Key: DERBY-6213
>                 URL: https://issues.apache.org/jira/browse/DERBY-6213
>             Project: Derby
>          Issue Type: Improvement
>          Components: Build tools, Documentation, Javadoc
>    Affects Versions: 10.11.0.0
>            Reporter: Rick Hillegas
>         Attachments: buildbreak2-datasource.diff, buildbreak.diff, client.diff, derby-6213-01-aa-collapsePublishedAPI.diff,
derby-6213-02-aa-org.apache.derby.vti.diff, derby-6213-03-aa-misc.diff, derby-6213-03-ab-misc.diff,
derby-6213-04-aa-vtiPackageOnJava7.diff, derby-6213-05-ab-misc2.diff, derby-6213-06-aa-convertProductToJava6.diff,
derby-6213-06-ab-removeCDC.diff, derby-6213-07-aa-restOfProductExceptJDBC.diff, derby-6213-08-ab-jdbc.diff,
derby-6213-09-ab-lint1.diff, derby-6213-10-aa-lint2-implServices.diff, derby-6213-11-aa-lint3-implStore.diff,
derby-6213-12-aa-lint4-implSqlCatalog-implSqlDepend.diff, derby-6213-13-aa-lint4-implSqlConn.diff,
derby-6213-14-aa-lint6-implSqlCompile-implSqlExecute.diff, derby-6213-15-aa-lint7.diff, derby-6213-16-aa-lint8.diff,
derby-6213-17-aa-lint9.diff, derby-6213-17-ab-lint9.diff, derby-6213-18-aa-collapseEmbeddedDataSources.diff,
derby-6213-20-aa-remove.java15.compile.classpath.diff, derby-6213-21-aa-felixLint.diff, derby-6213-22-aa-remove1.4and1.5sourceAndTargetLevels.diff,
derby-6213-23-aa-removeSimpleMobileApp.diff, derby-6213-24-aa-makeBasicConnectionPoolDataSource40public.diff,
descriptor-lists.diff, releaseNote.html, revive-sqlxmlutil-target.diff, simplify-with-java5.diff,
testcode.diff
>
>
> The developer community has approved the proposal to sunset support for Java 5 and CDC:
http://apache-database.10148.n7.nabble.com/VOTE-Sunsetting-support-for-Java-5-and-CDC-td129832.html#a129925
> This issue tracks a number of tasks needed to implement this proposal:
> I) Remove build support for Java 5 and CDC.
> II) Purge user doc references to Java 5, CDC, and the JDBC 4 DataSources.
> III) Remove the JDBC 4 version of the public api from the published javadoc. The recently
introduced CP2 DataSources would need to migrate to the JDBC 3 version of the published javadoc.
The JDBC 4 versions of the DataSources would still exist, but they would be vacuous extensions
of their JDBC 3 counterparts.
> IV) On the wiki, document our expectation that maintenance releases will support the
same platforms as the original feature release cut from their branch.
> V) Decide what to do with the SimpleMobileApp. Probably we want to just remove this demo
since its purpose is to show how to run Derby on the deprecated CDC platform.

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