RobertIndie commented on code in PR #23049:
URL: https://github.com/apache/pulsar/pull/23049#discussion_r1683914415
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pulsar-broker/src/main/java/org/apache/pulsar/broker/namespace/NamespaceService.java:
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@@ -1509,6 +1515,23 @@ public CompletableFuture<List<String>>
getListOfTopics(NamespaceName namespaceNa
}
}
+ public CompletableFuture<List<String>> getListOfUserTopics(NamespaceName
namespaceName, Mode mode) {
+ String key = String.format("%s://%s", mode, namespaceName);
+ final MutableBoolean initializedByCurrentThread = new MutableBoolean();
+ CompletableFuture<List<String>> queryRes =
inProgressQueryUserTopics.computeIfAbsent(key, k -> {
+ initializedByCurrentThread.setTrue();
+ return getListOfTopics(namespaceName, mode).thenApplyAsync(list ->
{
+ return TopicList.filterSystemTopic(list);
+ }, pulsar.getExecutor());
Review Comment:
We are not removing the value in the `computeIfAbsent`, right? We are
removing it asynchronously.
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