@Override
  public RecordReader<Void, RowContainer<T>> getRecordReader(InputSplit split,
      JobConf job, Reporter reporter) throws IOException {

    reporter.setStatus(split.toString());

    return new FlatFileRecordReader<T>(job, (FileSplit) split);
  }
Returns the next row # and value.

@param key
         - void as these files have a value only
@param value
         - the row container which is always re-used, but the internal
         value may be set to a new Object
@return whether the key and value were read. True if they were and false
        if EOF
@exception IOException
             from the deserializer
ql/src/java/org/apache/hadoop/hive/ql/io/FlatFileInputFormat.java