Esempi in Java per Reporter.incrCounter

Esempio n. 1

File: KMeansMapper.java Progetto: RamGhadiyaram/cloud-class

  public void map(
      LongWritable key, Point value, OutputCollector<LongWritable, Point> output, Reporter reporter)
      throws IOException {
    double min = value.sumOfSquares(centers.get(0));
    int best = 0;

    for (int index = 1; index < numberOfCenters; ++index) {
      double current = value.sumOfSquares(centers.get(index));

      if (current < min) {
        min = current;
        best = index;
      }
    }

    reporter.incrCounter("NUMBER", "NODES", 1);
    reporter.incrCounter("CENTER", "" + best, 1);

    output.collect(new LongWritable(best), value);
  }