adikou commented on code in PR #22271:
URL: https://github.com/apache/kafka/pull/22271#discussion_r3570759806
##########
clients/src/main/java/org/apache/kafka/clients/consumer/internals/SubscriptionState.java:
##########
@@ -1004,8 +1062,42 @@ synchronized void movePartitionToEnd(TopicPartition tp) {
assignment.moveToEnd(tp);
}
- public synchronized Optional<ConsumerRebalanceListener>
rebalanceListener() {
- return rebalanceListener;
+ private synchronized Optional<RebalanceListener> rebalanceListener() {
+ return Optional.ofNullable(rebalanceListener.get());
+ }
+
+ private synchronized Consumer<?, ?> rebalanceConsumerOrThrow() {
+ return Optional.ofNullable(rebalanceConsumer.get())
+ .orElseThrow(() -> new IllegalStateException("Rebalance
consumer has not been initialized"));
+ }
+
+ /** @return true if a {@link RebalanceListener} has been registered with
this subscription. */
+ public synchronized boolean hasRebalanceListener() {
+ return rebalanceListener.get() != null;
+ }
+
+ /** Invoke {@link RebalanceListener#onPartitionsAssigned(Collection,
RebalanceConsumer)} on the given partitions.*/
+ public void onPartitionsAssigned(Collection<TopicPartition> partitions) {
+ rebalanceListener().ifPresent(rl ->
invokeRebalanceListener(partitions, rl::onPartitionsAssigned));
Review Comment:
@chia7712 gentle nudge on this PR. Does it look ok to merge?
After this PR is done, the final step is to add the deprecated anno on the
old methods in the next PR
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