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https://issues.apache.org/jira/browse/HADOOP-6317?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12767898#action_12767898
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Aaron Kimball commented on HADOOP-6317:
---------------------------------------
Arun,
Let me know if you mean something like this:
{code}
/**
* Marks a specific key in the Configuration as final.
*/
public void makeFinal(String key) {
if (!finalParameters.contains(key)) {
finalParameters.add(key);
}
}
/**
* Marks all keys in the Configuration as final.
*/
public void makeConfigurationFinal() {
Properties properties = getProps();
for (Enumeration<String> e = properties.keys(); e.hasMoreElements();) {
String key = e.nextElement();
makeFinal(key);
}
}
{code}
if so, I'll add this and a unit test to the patch.
- Aaron
> Serialize the 'final'ness of Configuration keys
> -----------------------------------------------
>
> Key: HADOOP-6317
> URL: https://issues.apache.org/jira/browse/HADOOP-6317
> Project: Hadoop Common
> Issue Type: Improvement
> Components: conf
> Reporter: Arun C Murthy
> Assignee: Aaron Kimball
> Fix For: 0.22.0
>
> Attachments: HADOOP-6317.patch
>
>
> Currently Configuration.writeXml doesn't serialize the 'final' attribute.
> There are some scenarios where it is useful:
> # TaskTracker should mark the tasks' 'localized' parameters as 'final'
> # GUI tools
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