CalvinConfluent commented on code in PR #15470:
URL: https://github.com/apache/kafka/pull/15470#discussion_r1523971792
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clients/src/main/java/org/apache/kafka/clients/admin/KafkaAdminClient.java:
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@@ -2184,9 +2178,139 @@ void handleFailure(Throwable throwable) {
completeAllExceptionally(topicFutures.values(), throwable);
}
};
- if (!topicNamesList.isEmpty()) {
- runnable.call(call, now);
+ return call;
+ }
+
+ @SuppressWarnings({"MethodLength", "NPathComplexity"})
+ private Map<String, KafkaFuture<TopicDescription>>
handleDescribeTopicsByNamesWithDescribeTopicPartitionsApi(
+ final Collection<String> topicNames,
+ DescribeTopicsOptions options
+ ) {
+ final Map<String, KafkaFutureImpl<TopicDescription>> topicFutures =
new HashMap<>(topicNames.size());
+ final ArrayList<String> topicNamesList = new ArrayList<>();
+ for (String topicName : topicNames) {
+ if (topicNameIsUnrepresentable(topicName)) {
+ KafkaFutureImpl<TopicDescription> future = new
KafkaFutureImpl<>();
+ future.completeExceptionally(new InvalidTopicException("The
given topic name '" +
+ topicName + "' cannot be represented in a request."));
+ topicFutures.put(topicName, future);
+ } else if (!topicFutures.containsKey(topicName)) {
+ topicFutures.put(topicName, new KafkaFutureImpl<>());
+ topicNamesList.add(topicName);
+ }
}
+
+ if (topicNamesList.isEmpty()) {
+ return new HashMap<>(topicFutures);
+ }
+
+ // First, we need to retrieve the node info.
+ DescribeClusterResult clusterResult = describeCluster();
+ Map<Integer, Node> nodes;
+ try {
+ nodes =
clusterResult.nodes().get().stream().collect(Collectors.toMap(Node::id, node ->
node));
+ } catch (InterruptedException | ExecutionException e) {
+ completeAllExceptionally(topicFutures.values(), e.getCause());
+ return new HashMap<>(topicFutures);
+ }
+
+ final long now = time.milliseconds();
+ Call call = 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));
+
+ TopicDescription partiallyFinishedTopicDescription = null;
+ TopicDescription nextTopicDescription = null;
+
+ @Override
+ DescribeTopicPartitionsRequest.Builder createRequest(int
timeoutMs) {
+ DescribeTopicPartitionsRequestData request = new
DescribeTopicPartitionsRequestData()
+ .setTopics(new ArrayList<>(pendingTopics.values()))
+
.setResponsePartitionLimit(options.partitionSizeLimitPerResponse());
+ if (partiallyFinishedTopicDescription != null) {
Review Comment:
Correct, updated the comments.
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