MetricsRecordFiltered.java 文件源码

@Override public Iterable<AbstractMetric> metrics() {
  return new Iterable<AbstractMetric>() {
    final Iterator<AbstractMetric> it = delegate.metrics().iterator();
    @Override public Iterator<AbstractMetric> iterator() {
      return new AbstractIterator<AbstractMetric>() {
        @Override public AbstractMetric computeNext() {
          while (it.hasNext()) {
            AbstractMetric next = it.next();
            if (filter.accepts(next.name())) {
              return next;
            }
          }
          return endOfData();
        }
      };
    }
  };
}