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Posted to common-dev@hadoop.apache.org by "dhruba borthakur (JIRA)" <ji...@apache.org> on 2009/05/04 08:45:30 UTC
[jira] Updated: (HADOOP-5596) Make ObjectWritable support EnumSet
[ https://issues.apache.org/jira/browse/HADOOP-5596?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
dhruba borthakur updated HADOOP-5596:
-------------------------------------
Status: Open (was: Patch Available)
RE-submit to trigger Hudson tests.
> Make ObjectWritable support EnumSet
> -----------------------------------
>
> Key: HADOOP-5596
> URL: https://issues.apache.org/jira/browse/HADOOP-5596
> Project: Hadoop Core
> Issue Type: Improvement
> Components: io
> Reporter: He Yongqiang
> Assignee: He Yongqiang
> Attachments: Hadoop-5596-2009-03-31.patch, Hadoop-5596-2009-04-03.patch, Hadoop-5596-2009-04-15-2.patch, Hadoop-5596-2009-04-15.patch, Hadoop-5596-2009-04-24.patch, Hadoop-5596-2009-04-30-1.patch, Hadoop-5596-2009-04-30-3.patch, Hadoop-5596-2009-04-30.patch
>
>
> This is a demand for Hadoop-5438.
> Also another small improvement is that i saw that in the beginning of readObject, it tries to get the class from PRIMITIVE_NAMES and then conf. Maybe it is better to add a direct load after them if the delaredClass is still null. Like this:
> {code}
> String className = UTF8.readString(in);
> Class<?> declaredClass = PRIMITIVE_NAMES.get(className);
> if (declaredClass == null) {
> try {
> declaredClass = conf.getClassByName(className);
> } catch (Exception e) {
> }
> }
>
> if(declaredClass == null) {
> try {
> declaredClass = Class.forName(className);
> } catch (ClassNotFoundException e) {
> throw new RuntimeException("readObject can't find class " + className, e);
> }
> }
> {code}
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