vamossagar12 commented on code in PR #12803:
URL: https://github.com/apache/kafka/pull/12803#discussion_r1039384220
##########
streams/src/main/java/org/apache/kafka/streams/processor/internals/StreamsMetadataState.java:
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@@ -459,12 +461,23 @@ private List<StreamsMetadata>
rebuildMetadataForSingleTopology(final Map<HostInf
return rebuiltMetadata;
}
+ private final Function<Optional<Set<Integer>>, Integer> getPartition =
maybeMulticastPartitions -> {
+ if (!maybeMulticastPartitions.isPresent()) {
+ return null;
+ }
+ if (maybeMulticastPartitions.get().size() != 1) {
+ throw new IllegalArgumentException("The partitions returned by
StreamPartitioner#partitions method when used for fetching KeyQueryMetadata for
key should be a singleton set");
Review Comment:
Thanks @vvcephei . Point taken!
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