Exemplo n.º 1
0
  public void configure(JobConf conf) {
    numberOfCenters = Integer.valueOf(conf.get("numberOfCenters"));
    centersDirectory = conf.get("centersReadDirectory");

    try {
      Configuration c = new Configuration();
      FileSystem fs = FileSystem.get(c);

      for (int index = 0; index < numberOfCenters; ++index) {
        SequenceFile.Reader reader =
            new SequenceFile.Reader(fs, new Path(centersDirectory + "/centers/" + index), c);

        LongWritable key = new LongWritable();
        Point value = new Point();

        reader.next(key, value);

        Point center = (Point) value;

        centers.add(center);

        reader.close();
      }
    } catch (IOException e) {
      // do nothing
      // I hope this doesn't happen
      System.out.println("well, damn.");
      e.printStackTrace();
    }
  }
  public void configure(JobConf conf) {
    /*
     * It reads all the configurations and distributed cache from outside.
     */

    // Read number of nodes in input layer and output layer from configuration
    inputNumdims = conf.get("numdims");
    inputNumhid = conf.get("numhid");

    // Read the weights from distributed cache
    Path[] pathwaysFiles = new Path[0];
    try {
      pathwaysFiles = DistributedCache.getLocalCacheFiles(conf);
      for (Path path : pathwaysFiles) {
        /*
         * this loop reads all the distributed cache files
         * In fact, the driver program ensures that there is only one distributed cache file
         */
        BufferedReader fis = new BufferedReader(new FileReader(path.toString()));
        weightline = fis.readLine();
      }
    } catch (Exception e) {
      e.printStackTrace();
    }
  }