kfaraz commented on code in PR #18742:
URL: https://github.com/apache/druid/pull/18742#discussion_r2542187369
##########
processing/src/test/java/org/apache/druid/java/util/metrics/StubServiceEmitter.java:
##########
@@ -123,6 +124,28 @@ public List<Number> getMetricValues(
return values;
}
+ public int getMetricEventCount(String metricName)
+ {
+ final Queue<ServiceMetricEvent> metricEventQueue =
metricEvents.get(metricName);
+ return metricEventQueue == null ? 0 : metricEventQueue.size();
+ }
+
+ public long getMetricEventLongSum(String metricName)
+ {
+ final Queue<ServiceMetricEvent> metricEventQueue =
metricEvents.get(metricName);
+ long total = 0;
+ for (ServiceMetricEvent event : metricEventQueue) {
+ total += event.getValue().longValue();
+ }
+ return total;
+ }
+
+ public Number getLatestMetricEventValue(String metricName)
+ {
+ final Deque<ServiceMetricEvent> metricEventQueue =
metricEvents.get(metricName);
+ return metricEventQueue == null ? 0 :
metricEventQueue.getLast().getValue();
Review Comment:
Nit: should we return `null` if there has been no event?
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