kirktrue commented on code in PR #13797:
URL: https://github.com/apache/kafka/pull/13797#discussion_r1223461234
##########
clients/src/main/java/org/apache/kafka/clients/consumer/internals/PrototypeAsyncConsumer.java:
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@@ -522,7 +525,35 @@ public void subscribe(Collection<String> topics,
ConsumerRebalanceListener callb
@Override
public void assign(Collection<TopicPartition> partitions) {
- throw new KafkaException("method not implemented");
+ if (partitions == null) {
+ throw new IllegalArgumentException("Topic partitions collection to
assign to cannot be null");
+ }
+
+ if (partitions.isEmpty()) {
+ this.unsubscribe();
+ return;
+ }
+
+ for (TopicPartition tp : partitions) {
+ String topic = (tp != null) ? tp.topic() : null;
+ if (Utils.isBlank(topic))
+ throw new IllegalArgumentException("Topic partitions to assign
to cannot have null or empty topic");
+ }
+ // TODO: implement fetcher
+ // fetcher.clearBufferedDataForUnassignedPartitions(partitions);
+
+ // make sure the offsets of topic partitions the consumer is
unsubscribing from
+ // are committed since there will be no following rebalance
+ commit(subscriptions.allConsumed());
+
+ log.info("Assigned to partition(s): {}", Utils.join(partitions, ", "));
+ if (this.subscriptions.assignFromUser(new HashSet<>(partitions)))
+ updateMetadata(time.milliseconds());
Review Comment:
Does the latest rename and refactor address your concerns?
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