jolshan commented on code in PR #13231:
URL: https://github.com/apache/kafka/pull/13231#discussion_r1107587497
##########
clients/src/main/java/org/apache/kafka/common/requests/AddPartitionsToTxnRequest.java:
##########
@@ -101,15 +130,61 @@ public String toString() {
public AddPartitionsToTxnRequest(final AddPartitionsToTxnRequestData data,
short version) {
super(ApiKeys.ADD_PARTITIONS_TO_TXN, version);
this.data = data;
+ this.version = version;
}
-
+
+ // Only used for versions < 4
public List<TopicPartition> partitions() {
if (cachedPartitions != null) {
return cachedPartitions;
}
cachedPartitions = Builder.getPartitions(data);
return cachedPartitions;
}
+
+ private List<TopicPartition> partitionsForTransaction(String transaction) {
+ if (cachedPartitionsByTransaction == null) {
+ cachedPartitionsByTransaction = new HashMap<>();
+ }
+
+ return cachedPartitionsByTransaction.computeIfAbsent(transaction, txn
-> {
+ List<TopicPartition> partitions = new ArrayList<>();
+ for (AddPartitionsToTxnTopic topicCollection :
data.transactions().find(txn).topics()) {
+ for (Integer partition : topicCollection.partitions()) {
+ partitions.add(new TopicPartition(topicCollection.name(),
partition));
+ }
+ }
+ return partitions;
+ });
+ }
+
+ public Map<String, List<TopicPartition>> partitionsByTransaction() {
+ if (cachedPartitionsByTransaction != null &&
cachedPartitionsByTransaction.size() == data.transactions().size()) {
Review Comment:
I'm not sure how that would happen
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