liangyepianzhou commented on code in PR #17777:
URL: https://github.com/apache/pulsar/pull/17777#discussion_r979206264
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pulsar-client/src/main/java/org/apache/pulsar/client/impl/transaction/TransactionImpl.java:
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@@ -123,8 +132,25 @@ public CompletableFuture<Void>
registerProducedTopic(String topic) {
return completableFuture;
}
- public synchronized void registerSendOp(CompletableFuture<MessageId>
sendFuture) {
- sendFutureList.add(sendFuture);
+ public void registerSendOp(CompletableFuture<MessageId> newSendFuture) {
+ sendLock.lock();
+ try {
+ if (sendCount.getAndIncrement() == 0) {
+ sendFuture = new CompletableFuture<>();
+ }
+ } finally {
+ sendLock.unlock();
+ }
+ newSendFuture.thenRun(() -> {
+ sendLock.lock();
Review Comment:
1. decrease the opCount 1 -> 0
2. check opCount == 0, and then increase the opCount 0 -> 1
3. future = new future;
4. future.complete
5. finally, the future is completely and opCount is 1
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