mumrah commented on code in PR #15470:
URL: https://github.com/apache/kafka/pull/15470#discussion_r1544478846


##########
clients/src/main/java/org/apache/kafka/clients/admin/KafkaAdminClient.java:
##########
@@ -2185,9 +2184,155 @@ void handleFailure(Throwable throwable) {
                 completeAllExceptionally(topicFutures.values(), throwable);
             }
         };
-        if (!topicNamesList.isEmpty()) {
-            runnable.call(call, now);
+    }
+
+    Call generateDescribeTopicsCallWithDescribeTopicPartitionsApi(
+        List<String> topicNamesList,
+        Map<String, KafkaFutureImpl<TopicDescription>> topicFutures,
+        Map<Integer, Node> nodes,
+        DescribeTopicsOptions options,
+        long now
+    ) {
+        return new Call("describeTopicPartitions", calcDeadlineMs(now, 
options.timeoutMs()),
+            new LeastLoadedNodeProvider()) {
+            Map<String, TopicRequest> pendingTopics =
+                topicNamesList.stream().map(topicName -> new 
TopicRequest().setName(topicName))
+                    .collect(Collectors.toMap(topicRequest -> 
topicRequest.name(), topicRequest -> topicRequest, (t1, t2) -> t1, 
TreeMap::new));

Review Comment:
   I think this would be more readable if we just create a TreeMap and populate 
it in a for loop. Since we are using this map like a queue, it might be better 
to use LinkedHashMap (after sorting the topics). Really, we don't even need a 
map since we can build the TopicRequest-s on demand in createRequest. 



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