How to use

SynchronizedDescriptiveStatistics

in

org.apache.commons.math.stat.descriptive

/**
 * Returns a copy of this SynchronizedDescriptiveStatistics instance with the
 * same internal state.
 *
 * @return a copy of this
 */
@Override
public synchronized SynchronizedDescriptiveStatistics copy() {
  SynchronizedDescriptiveStatistics result =
    new SynchronizedDescriptiveStatistics();
  copy(this, result);
  return result;
}

SynchronizedDescriptiveStatistics writeStats = new SynchronizedDescriptiveStatistics();
LOG.info(String.format(
  "%6.0f  %6.0f  %6.0f  %6.0f  %6.0f  %6d%n",
  writeStats.getMin(),
  writeStats.getPercentile(10.0),
  writeStats.getPercentile(50.0),
  writeStats.getPercentile(90.0),
  writeStats.getMax(),
  writeStats.getN()));

public StatCollector() {
 _stats = new SynchronizedDescriptiveStatistics();
 _stats.setWindowSize(DEFAULT_WINDOW_SIZE);
}

private DescriptiveStatistics runTest(int concurrencyLevel) throws Exception {
  final SynchronizedDescriptiveStatistics statistics = new SynchronizedDescriptiveStatistics();
  if (concurrencyLevel == 1) {
      statistics.addValue(execute());

/**
 * A copy constructor. Creates a deep-copy of the {@code original}.
 *
 * @param original the {@code SynchronizedDescriptiveStatistics} instance to copy
 */
public SynchronizedDescriptiveStatistics(SynchronizedDescriptiveStatistics original) {
  copy(original, this);
}

  public void stop() {
    watch.stop();
    stats.addValue(watch.elapsed(TimeUnit.MILLISECONDS));
    watch.reset();
  }
}

public StatCollector() {
 _stats = new SynchronizedDescriptiveStatistics();
 _stats.setWindowSize(DEFAULT_WINDOW_SIZE);
}

/**
 * A copy constructor. Creates a deep-copy of the {@code original}.
 *
 * @param original the {@code SynchronizedDescriptiveStatistics} instance to copy
 */
public SynchronizedDescriptiveStatistics(SynchronizedDescriptiveStatistics original) {
  copy(original, this);
}

@Override
public void run() {
  try {
    int count = 0;
    while (count < maxAssets) {
      session.refresh(false);
      List<String> levels = Lists.newArrayList();
      getParentLevels(count, maxAssets, levels);
      String fileNamePrefix = getFileNamePrefix(levels);
      String parentDir = getParentSuffix(levels);
      Stopwatch watch = Stopwatch.createStarted();
      Node file = putFile(fileNamePrefix, parentDir);
      session.save();
      if (stats != null) {
        stats.addValue(watch.elapsed(TimeUnit.MILLISECONDS));
      }
      // record for searching and reading
      addReadPath(file.getPath());
      addSearchPath(fileNamePrefix);
      if (LOG.isDebugEnabled() && (count + 1) % 1000 == 0) {
        LOG.debug("Thread " + id + " - Added assets : " + (count + 1));
      }
      count++;
    }
  } catch (Exception e) {
    LOG.error("Exception in load creation ", e);
  }
}

/**
 * Runs the iteration of the benchmarks added.
 * 
 * @param context the execution context
 * @throws Exception 
 */
private void runIteration(ExecutionContext context) throws Exception {
  Preconditions.checkArgument(benchmarks != null && !benchmarks.isEmpty(),
      "No Benchmarks configured");
  for (String key : benchmarks.keySet()) {
    ScalabilityBenchmark benchmark = benchmarks.get(key);
    if (result.getBenchmarkStatistics(benchmark) == null) {
      result.addBenchmarkStatistics(benchmark, new SynchronizedDescriptiveStatistics());
    }
    Stopwatch watch = Stopwatch.createStarted();
    executeBenchmark(benchmark, context);
    watch.stop();
    result.getBenchmarkStatistics(benchmark).addValue(watch.elapsed(TimeUnit.MILLISECONDS));
    if (LOG.isDebugEnabled()) {
      LOG.debug("Execution time for " + benchmark + "-"
                    + watch.elapsed(TimeUnit.MILLISECONDS));
    }
  }
}

/**
 * Returns a copy of this SynchronizedDescriptiveStatistics instance with the
 * same internal state.
 *
 * @return a copy of this
 */
@Override
public synchronized SynchronizedDescriptiveStatistics copy() {
  SynchronizedDescriptiveStatistics result =
    new SynchronizedDescriptiveStatistics();
  copy(this, result);
  return result;
}

String line;
int i = 0;
DescriptiveStatistics stats = new SynchronizedDescriptiveStatistics();
stats.setWindowSize(dperiods);
File f = new File("");