syhily commented on code in PR #17718:
URL: https://github.com/apache/pulsar/pull/17718#discussion_r974760724
##########
pulsar-client/src/main/java/org/apache/pulsar/client/impl/transaction/TransactionImpl.java:
##########
@@ -133,15 +133,9 @@ public CompletableFuture<Void> registerAckedTopic(String
topic, String subscript
if (checkIfOpen(completableFuture)) {
synchronized (TransactionImpl.this) {
// we need to issue the request to TC to register the acked
topic
- return registerSubscriptionMap.compute(Pair.of(topic,
subscription), (key, future) -> {
- if (future != null) {
- return future.thenCompose(ignored ->
CompletableFuture.completedFuture(null));
- } else {
- return tcClient.addSubscriptionToTxnAsync(
- new TxnID(txnIdMostBits, txnIdLeastBits),
topic, subscription)
- .thenCompose(ignored ->
CompletableFuture.completedFuture(null));
- }
- });
+ return registerSubscriptionMap.computeIfAbsent(Pair.of(topic,
subscription), key ->
+ tcClient.addSubscriptionToTxnAsync(
+ new TxnID(txnIdMostBits, txnIdLeastBits),
topic, subscription));
}
}
return completableFuture;
Review Comment:
No need to `checkIfOpen`, because it will always be open.
```suggestion
public CompletableFuture<Void> registerAckedTopic(String topic, String
subscription) {
CompletableFuture<Void> completableFuture = new
CompletableFuture<>();
synchronized (TransactionImpl.this) {
// we need to issue the request to TC to register the acked topic
return registerSubscriptionMap.computeIfAbsent(Pair.of(topic,
subscription), key ->
tcClient.addSubscriptionToTxnAsync(new
TxnID(txnIdMostBits, txnIdLeastBits), topic, subscription));
}
}
```
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