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Posted to mapreduce-dev@hadoop.apache.org by "Zoltan Haindrich (JIRA)" <ji...@apache.org> on 2017/09/29 07:29:00 UTC

[jira] [Created] (MAPREDUCE-6972) enable try-with-resources for RecordReader

Zoltan Haindrich created MAPREDUCE-6972:
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             Summary: 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



{{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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