skaundinya15 commented on a change in pull request #10962:
URL: https://github.com/apache/kafka/pull/10962#discussion_r663419332
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File path:
clients/src/main/java/org/apache/kafka/common/requests/OffsetFetchResponse.java
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@@ -154,14 +166,88 @@ public OffsetFetchResponse(int throttleTimeMs, Errors
error, Map<TopicPartition,
this.error = error;
}
+ /**
+ * Constructor without throttle time for version 8 and above.
+ * @param errors Error code on a per group level basis
+ * @param responseData Fetched offset information grouped group id
+ */
+ public OffsetFetchResponse(Map<String, Errors> errors, Map<String,
Map<TopicPartition, PartitionData>> responseData) {
Review comment:
This constructor allows us to initialize errors and the topic partitions
for multiple groups. Since the KIP is for implementing batching of the
`offsetFetch` API, this constructor allows for exactly that. The request allows
for multiple groups to get offsets for, and the response is so we can return
all of those offsets for each group requested.
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