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https://issues.apache.org/jira/browse/DERBY-6213?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Knut Anders Hatlen updated DERBY-6213:
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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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