mosche commented on code in PR #22157:
URL: https://github.com/apache/beam/pull/22157#discussion_r926448518


##########
runners/spark/src/main/java/org/apache/beam/runners/spark/metrics/AggregatorMetric.java:
##########
@@ -33,7 +41,35 @@ public static AggregatorMetric of(final NamedAggregators 
namedAggregators) {
     return new AggregatorMetric(namedAggregators);
   }
 
-  NamedAggregators getNamedAggregators() {
-    return namedAggregators;
+  @Override
+  public Map<String, Gauge<Double>> getValue(String prefix, MetricFilter 
filter) {
+    Map<String, Gauge<Double>> metrics = new HashMap<>();
+    for (Map.Entry<String, ?> entry : namedAggregators.renderAll().entrySet()) 
{
+      String name = prefix + "." + entry.getKey();
+      Object rawValue = entry.getValue();
+      if (rawValue == null) {
+        continue;

Review Comment:
   also, that's pretty much personal taste, let's skip such stuff in the future



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