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https://issues.apache.org/jira/browse/MAPREDUCE-2226?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12973843#action_12973843
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Tom White commented on MAPREDUCE-2226:
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Can we mark all the other public methods of TaggedInputSplit as
@InterfaceAudience.Private? Also do the same for the mapreduce API. It would
also be a good idea to update the javadoc of MultipleInputs to mention the use
case you are enabling. TaggedInputSplit should reference MultipleInputs in its
javadoc too.
> TaggedInputSplit should be public
> ---------------------------------
>
> Key: MAPREDUCE-2226
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2226
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Affects Versions: 0.20.1
> Reporter: E. Sammer
> Assignee: E. Sammer
> Attachments: MAPREDUCE-2226.diff
>
>
> Currently it's not possible to get at the original InputSplits when using
> MultipleInputs. This is because TaggedInputSplit (used by
> DelegatingInputFormat used by MultipleInputs) is not public. This means
> things like the following do not work:
> {code}
> public void map(...) {
> FileSplit fis = (FileSplit)((TaggedInputSplit)
> reporter.getInputSplit()).getInputSplit();
> Path p = fis.getPath();
> }
> {code}
> This prevents users from getting at input split specific data.
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