chia7712 commented on code in PR #17353:
URL: https://github.com/apache/kafka/pull/17353#discussion_r1792192026
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clients/src/main/java/org/apache/kafka/clients/consumer/internals/AsyncKafkaConsumer.java:
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@@ -1072,12 +1073,10 @@ public Map<TopicPartition, OffsetAndTimestamp>
offsetsForTimes(Map<TopicPartitio
}
try {
- return applicationEventHandler.addAndGet(listOffsetsEvent)
- .entrySet()
- .stream()
- .collect(Collectors.toMap(
- Map.Entry::getKey,
- entry -> entry.getValue().buildOffsetAndTimestamp()));
+ Map<TopicPartition, OffsetAndTimestampInternal> offsets =
applicationEventHandler.addAndGet(listOffsetsEvent);
+ Map<TopicPartition, OffsetAndTimestamp> results = new
HashMap<>(offsets.size());
+ offsets.forEach((k, v) -> results.put(k, v != null ?
v.buildOffsetAndTimestamp() : null));
Review Comment:
> What if the user calls Map.containsKey(), though? Without explicitly
adding a null, containsKey() will return false. Is that the expectation? 🤔
I'm not sure why users would need this use case. Storing null in a map seems
like a design flaw to me. Additionally, Admin#listOffsets doesn't return null
values.
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