public static class SegmentMerger.ObjectInputFormat extends org.apache.hadoop.mapred.SequenceFileInputFormat<org.apache.hadoop.io.Text,MetaWrapper>
MetaWrapper
, to permit merging different
types in reduce and use additional metadata.Constructor and Description |
---|
SegmentMerger.ObjectInputFormat() |
Modifier and Type | Method and Description |
---|---|
org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.Text,MetaWrapper> |
getRecordReader(org.apache.hadoop.mapred.InputSplit split,
org.apache.hadoop.mapred.JobConf job,
org.apache.hadoop.mapred.Reporter reporter) |
public org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.Text,MetaWrapper> getRecordReader(org.apache.hadoop.mapred.InputSplit split, org.apache.hadoop.mapred.JobConf job, org.apache.hadoop.mapred.Reporter reporter) throws IOException
getRecordReader
in interface org.apache.hadoop.mapred.InputFormat<org.apache.hadoop.io.Text,MetaWrapper>
getRecordReader
in class org.apache.hadoop.mapred.SequenceFileInputFormat<org.apache.hadoop.io.Text,MetaWrapper>
IOException
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