chia7712 commented on code in PR #20422:
URL: https://github.com/apache/kafka/pull/20422#discussion_r2375625188
##########
server-common/src/main/java/org/apache/kafka/queue/KafkaEventQueue.java:
##########
@@ -440,19 +441,35 @@ int size() {
*/
private boolean interrupted;
+ /**
+ * Optional callback for queue idle time tracking.
+ */
+ private final Consumer<Long> idleTimeCallback;
+
+
public KafkaEventQueue(
Time time,
LogContext logContext,
String threadNamePrefix
) {
- this(time, logContext, threadNamePrefix, VoidEvent.INSTANCE);
+ this(time, logContext, threadNamePrefix, VoidEvent.INSTANCE,
Optional.empty());
}
public KafkaEventQueue(
Time time,
LogContext logContext,
String threadNamePrefix,
Event cleanupEvent
+ ) {
+ this(time, logContext, threadNamePrefix, cleanupEvent,
Optional.empty());
+ }
+
+ public KafkaEventQueue(
+ Time time,
+ LogContext logContext,
+ String threadNamePrefix,
+ Event cleanupEvent,
+ Optional<Consumer<Long>> idleTimeCallback
Review Comment:
out of curiosity, have you consider using `Consumer<Long>` instead? the
other constructor could pass `__ -> { }`.
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