func()

in exporter/collector/metrics.go [1634:1670]

• 37 lines of code
• 10 McCabe index (conditional complexity)

func (me *metricMapper) mapMetricPointKind(m pmetric.Metric) (metricpb.MetricDescriptor_MetricKind, metricpb.MetricDescriptor_ValueType) {
	var kind metricpb.MetricDescriptor_MetricKind
	var typ metricpb.MetricDescriptor_ValueType
	switch m.Type() {
	case pmetric.MetricTypeGauge:
		kind = metricpb.MetricDescriptor_GAUGE
		if m.Gauge().DataPoints().Len() > 0 {
			_, supportedType := me.convertToBoolIfMetricKindSupported(m.Gauge().DataPoints().At(0), kind, m.Unit())
			if supportedType != metricpb.MetricDescriptor_VALUE_TYPE_UNSPECIFIED {
				typ = supportedType
			} else {
				typ = metricPointValueType(m.Gauge().DataPoints().At(0).ValueType())
			}
		}
	case pmetric.MetricTypeSum:
		if !m.Sum().IsMonotonic() {
			kind = metricpb.MetricDescriptor_GAUGE
		} else {
			kind = metricpb.MetricDescriptor_CUMULATIVE
		}
		if m.Sum().DataPoints().Len() > 0 {
			typ = metricPointValueType(m.Sum().DataPoints().At(0).ValueType())
		}
	case pmetric.MetricTypeSummary:
		kind = metricpb.MetricDescriptor_GAUGE
	case pmetric.MetricTypeHistogram:
		typ = metricpb.MetricDescriptor_DISTRIBUTION
		kind = metricpb.MetricDescriptor_CUMULATIVE
	case pmetric.MetricTypeExponentialHistogram:
		typ = metricpb.MetricDescriptor_DISTRIBUTION
		kind = metricpb.MetricDescriptor_CUMULATIVE
	default:
		kind = metricpb.MetricDescriptor_METRIC_KIND_UNSPECIFIED
		typ = metricpb.MetricDescriptor_VALUE_TYPE_UNSPECIFIED
	}
	return kind, typ
}