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Support CombineHiveInputFormat through DummyRecordReader #151

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Support CombineHiveInputFormat through DummyRecordReader #151

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34 changes: 34 additions & 0 deletions src/main/java/com/hadoop/mapred/DeprecatedLzoTextInputFormat.java
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Original file line number Diff line number Diff line change
Expand Up @@ -154,9 +154,43 @@ public RecordReader<LongWritable, Text> getRecordReader(InputSplit split,
if (LzoInputFormatCommon.isLzoFile(fileSplit.getPath().toString())) {
reporter.setStatus(split.toString());
return new DeprecatedLzoLineRecordReader(conf, (FileSplit)split);
} else if (LzoInputFormatCommon.isLzoIndexFile(fileSplit.getPath().toString())) {
return new DummyRecordReader();
} else {
// delegate non-LZO files to the TextInputFormat base class.
return super.getRecordReader(split, conf, reporter);
}
}

public static class DummyRecordReader implements RecordReader<LongWritable, Text> {

@Override
public float getProgress() throws IOException {
return 0;
}

@Override
public boolean next(LongWritable s, Text aLong) throws IOException {
return false;
}

@Override
public LongWritable createKey() {
return null;
}

@Override
public Text createValue() {
return null;
}

@Override
public long getPos() throws IOException {
return 0;
}

@Override
public void close() throws IOException {}
}

}