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Posted to mapreduce-issues@hadoop.apache.org by "Akira Ajisaka (JIRA)" <ji...@apache.org> on 2017/10/18 02:20:02 UTC
[jira] [Commented] (MAPREDUCE-6972) enable try-with-resources for
RecordReader
[ https://issues.apache.org/jira/browse/MAPREDUCE-6972?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16208719#comment-16208719 ]
Akira Ajisaka commented on MAPREDUCE-6972:
------------------------------------------
+1, committed to trunk and branch-3.0. Thanks [~kgyrtkirk] for the contribution!
> enable try-with-resources for RecordReader
> ------------------------------------------
>
> Key: MAPREDUCE-6972
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6972
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Reporter: Zoltan Haindrich
> Attachments: MAPREDUCE-6972.01.patch, MAPREDUCE-6972.02.patch
>
>
> {{org.apache.hadoop.mapred.RecordReader}} has a close method; but doesn't implement closeable; it would be nice to add that - it would enable to use:
> {code}
> try( org.apache.hadoop.mapred.RecordReader<?, ?> recordReader = inputFormat.getRecordReader(... ) ){
> [...]
> }
> {code}
> ...supporting t-w-r makes it easier to throw exceptions more safely
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