ShivsundarR commented on code in PR #16727:
URL: https://github.com/apache/kafka/pull/16727#discussion_r1698619373


##########
clients/src/main/java/org/apache/kafka/clients/consumer/internals/ShareConsumeRequestManager.java:
##########
@@ -259,11 +250,71 @@ private PollResult processAcknowledgements(long 
currentTimeMs) {
         return pollResult;
     }
 
+    private Optional<UnsentRequest> maybeBuildRequest(AcknowledgeRequestState 
acknowledgeRequestState,
+            long currentTimeMs, boolean onCommitAsync) {
+        if (acknowledgeRequestState == null || (!closing && 
acknowledgeRequestState.acknowledgementsToSend.isEmpty()
+                && 
acknowledgeRequestState.incompleteAcknowledgements.isEmpty())) {
+            if (onCommitAsync) {
+                isAsyncDone = true;
+            }
+            return Optional.empty();
+        } else if (!acknowledgeRequestState.maybeExpire()) {
+            if 
(nodesWithPendingRequests.contains(acknowledgeRequestState.nodeId)) {
+                log.debug("Skipping acknowledge request because previous 
request to {} has not been processed",
+                        acknowledgeRequestState.nodeId);
+            } else {
+                if (acknowledgeRequestState.canSendRequest(currentTimeMs)) {
+                    acknowledgeRequestState.onSendAttempt(currentTimeMs);
+                    if (onCommitAsync) {
+                        isAsyncDone = true;
+                    }
+                    return 
Optional.of(acknowledgeRequestState.buildRequest(currentTimeMs));
+                }
+            }
+        } else {
+            // Fill in TimeoutException
+            for (TopicIdPartition tip : 
acknowledgeRequestState.incompleteAcknowledgements.keySet()) {
+                metricsManager
+                        
.recordFailedAcknowledgements(acknowledgeRequestState.getIncompleteAcknowledgementsCount(tip));
+                acknowledgeRequestState.handleAcknowledgeTimedOut(tip);
+            }
+            acknowledgeRequestState.incompleteAcknowledgements.clear();
+            isAsyncDone = true;
+        }
+        return Optional.empty();
+    }
+
+    private boolean areAnyAcknowledgementsLeft() {
+        boolean areAnyAcksLeft = false;
+        Iterator<Map.Entry<Integer, Pair<AcknowledgeRequestState>>> iterator = 
acknowledgeRequestStates.entrySet()
+                .iterator();
+        while (iterator.hasNext()) {
+            Map.Entry<Integer, Pair<AcknowledgeRequestState>> 
acknowledgeRequestStatePair = iterator.next();
+            if 
(isRequestStateEmpty(acknowledgeRequestStatePair.getValue().getFirst())
+                    && 
isRequestStateEmpty(acknowledgeRequestStatePair.getValue().getSecond())) {
+                areAnyAcksLeft = true;

Review Comment:
   Yes, the name is quite wrong as we want to see if it is not empty actually, 
I have made the changes.



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