Address Anthony Mirabella's feedback about using a single point

exporter/prometheusexporter/collector.go

@@ -210,36 +210,25 @@ func (c *collector) convertIntHistogram(metric pdata.Metric) (prometheus.Metric,
 }
 
 func (c *collector) convertSummary(metric pdata.Metric) (prometheus.Metric, error) {
-	dataPoints := metric.Summary().DataPoints()
+	// TODO: In the off chance that we have multiple points
+	// within the same metric, how should we handle them?
+	point := metric.Summary().DataPoints().At(0)
 
-	var cumSum float64
-	var cumCount uint64
 	quantiles := make(map[float64]float64)
-	labelsMap := pdata.NewStringMap()
-	for i := 0; i < dataPoints.Len(); i++ {
-		sdpi := dataPoints.At(i)
-		qv := sdpi.QuantileValues()
-		for j := 0; j < qv.Len(); j++ {
-			qvj := qv.At(j)
-			// There should be EXACTLY one quantile value lest it is an invalid exposition.
-			quantiles[qvj.Quantile()] = qvj.Value()
-		}
-		// Copy all the label map values.
-		sdpi.LabelsMap().ForEach(func(key, value string) {
-			labelsMap.Insert(key, value)
-		})
-		cumSum += sdpi.Sum()
-		cumCount += sdpi.Count()
+	qv := point.QuantileValues()
+	for j := 0; j < qv.Len(); j++ {
+		qvj := qv.At(j)
+		// There should be EXACTLY one quantile value lest it is an invalid exposition.
+		quantiles[qvj.Quantile()] = qvj.Value()
 	}
 
-	desc, labelValues := c.getMetricMetadata(metric, labelsMap)
-	m, err := prometheus.NewConstSummary(desc, cumCount, cumSum, quantiles, labelValues...)
+	desc, labelValues := c.getMetricMetadata(metric, point.LabelsMap())
+	m, err := prometheus.NewConstSummary(desc, point.Count(), point.Sum(), quantiles, labelValues...)
 	if err != nil {
 		return nil, err
 	}
 	if c.sendTimestamps {
-		ip := dataPoints.At(0)
-		return prometheus.NewMetricWithTimestamp(ip.Timestamp().AsTime(), m), nil
+		return prometheus.NewMetricWithTimestamp(point.Timestamp().AsTime(), m), nil
 	}
 	return m, nil
 }