content: package hip.ch3.parquet;
  
  import hip.ch3.avro.gen.Stock;
  import hip.util.Cli;
  import hip.util.CliCommonOpts;
  import org.apache.commons.lang.builder.ToStringBuilder;
  import org.apache.commons.lang.builder.ToStringStyle;
  import org.apache.hadoop.conf.Configuration;
  import org.apache.hadoop.conf.Configured;
  import org.apache.hadoop.fs.Path;
  import org.apache.hadoop.util.Tool;
  import org.apache.hadoop.util.ToolRunner;
  import parquet.avro.AvroParquetReader;
  import parquet.hadoop.ParquetReader;
  
  /**
   * Reads a Parquet file using Avro as the data format.
   */
  public class ParquetAvroStockReader extends Configured implements Tool {
    /**
     * Main entry point for the example.
     *
     * @param args arguments
     * @throws Exception when something goes wrong
     */
    public static void main(final String[] args) throws Exception {
      int res = ToolRunner.run(new Configuration(), new ParquetAvroStockReader(), args);
      System.exit(res);
    }
  
    /**
     * Read the file.
     *
     * @param args the command-line arguments
     * @return the process exit code
     * @throws Exception if something goes wrong
     */
    public int run(final String[] args) throws Exception {
  
      Cli cli = Cli.builder().setArgs(args).addOptions(CliCommonOpts.MrIOpts.values()).build();
      int result = cli.runCmd();
  
      if (result != 0) {
        return result;
      }
  
      Path inputFile = new Path(cli.getArgValueAsString(CliCommonOpts.MrIOpts.INPUT));
  
      ParquetReader<Stock> reader = new AvroParquetReader<Stock>(inputFile);
  
      Stock stock;
      while ((stock = reader.read()) != null) {
        System.out.println(ToStringBuilder.reflectionToString(stock,
            ToStringStyle.SIMPLE_STYLE
        ));
      }
  
      reader.close();
  
      return 0;
    }
  }
  