TestCodec.java 文件源码

private static void createMapFile(Configuration conf, FileSystem fs, Path path, 
    CompressionCodec codec, CompressionType type, int records) throws IOException {
  MapFile.Writer writer = 
      new MapFile.Writer(conf, path,
          MapFile.Writer.keyClass(Text.class),
          MapFile.Writer.valueClass(Text.class),
          MapFile.Writer.compression(type, codec));
  Text key = new Text();
  for (int j = 0; j < records; j++) {
      key.set(String.format("%03d", j));
      writer.append(key, key);
  }
  writer.close();
}