private void compareMetricLists()

in validator/src/main/java/com/amazon/aoc/validators/CWMetricValidator.java [123:162]

30 lines of code
6 McCabe index (conditional complexity)


  private void compareMetricLists(List<Metric> toBeCheckedMetricList, List<Metric> baseMetricList)
      throws BaseException {

    // load metrics into a hash set
    Set<Metric> metricSet =
        new TreeSet<>(
            (Metric o1, Metric o2) -> {
              // check namespace
              if (!o1.getNamespace().equals(o2.getNamespace())) {
                return o1.getNamespace().compareTo(o2.getNamespace());
              }

              // check metric name
              if (!o1.getMetricName().equals(o2.getMetricName())) {
                return o1.getMetricName().compareTo(o2.getMetricName());
              }

              // sort and check dimensions
              List<Dimension> dimensionList1 = o1.getDimensions();
              List<Dimension> dimensionList2 = o2.getDimensions();

              // sort
              dimensionList1.sort(Comparator.comparing(Dimension::getName));
              dimensionList2.sort(Comparator.comparing(Dimension::getName));

              return dimensionList1.toString().compareTo(dimensionList2.toString());
            });
    for (Metric metric : baseMetricList) {
      metricSet.add(metric);
    }
    for (Metric metric : toBeCheckedMetricList) {
      if (!metricSet.contains(metric)) {
        throw new BaseException(
            ExceptionCode.EXPECTED_METRIC_NOT_FOUND,
            String.format(
                "metric in toBeCheckedMetricList %s not found in baseMetricList: %s",
                metric, metricSet));
      }
    }
  }