How to use

com.yahoo.concurrent.ThreadLocalDirectory

constructor

public MockReceiver() {
  this(new ThreadLocalDirectory<>(new MetricUpdater()));
}
/** gathers all data since last snapshot */

private MetricManager(ManagerConfig settings, Updater<Bucket, Sample> updater) {
  log.log(LogLevel.CONFIG, "setting up simple metrics gathering." +
        " reportPeriodSeconds=" + settings.reportPeriodSeconds() +
        ", pointsToKeepPerMetric=" + settings.pointsToKeepPerMetric());
  metricsCollection = new ThreadLocalDirectory<>(updater);
  final AtomicReference<Bucket> currentSnapshot = new AtomicReference<>(null);
  executor = new ScheduledThreadPoolExecutor(1);
  // Fixed rate, not fixed delay, is it is not too important that each
  // bucket has data for exactly one second, but one should strive for
  // this.buffer to contain data for as close a period to the report
  // interval as possible
  executor.scheduleAtFixedRate(new MetricAggregator(metricsCollection, currentSnapshot, settings), 1, 1, TimeUnit.SECONDS);
  receiver = new MetricReceiver(metricsCollection, currentSnapshot);
}

static ThreadLocalDirectory<Deque<QueryRatePerSecond>, Long> createDirectory() {
  return new ThreadLocalDirectory<>(new QueryRate());
}