Metrics.java 文件源码

private static MetricSet scoped(final String name, final MetricSet metricSet) {
  return new MetricSet() {
    @Override
    public Map<String, Metric> getMetrics() {
      ImmutableMap.Builder<String, Metric> scopedMetrics = ImmutableMap.builder();
      for(Map.Entry<String, Metric> entry: metricSet.getMetrics().entrySet()) {
        scopedMetrics.put(MetricRegistry.name(name, entry.getKey()), entry.getValue());
      }
      return scopedMetrics.build();
    }
  };
}