[GitHub] [pulsar] codelipenghui commented on a diff in pull request #14030: [Broker] Make PersistentTopicsBase#internalCreateNonPartitionedTopic async.

[GitBox <gi...@apache.org>]

codelipenghui commented on code in PR #14030:
URL: https://github.com/apache/pulsar/pull/14030#discussion_r867487892


##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/impl/PersistentTopicsBase.java:
##########
@@ -387,37 +387,31 @@ protected void internalRevokePermissionsOnTopic(AsyncResponse asyncResponse, Str
                 });
     }
 
-    protected void internalCreateNonPartitionedTopic(boolean authoritative, Map<String, String> properties) {
-        validateNonPartitionTopicName(topicName.getLocalName());
+    protected CompletableFuture<Void> internalCreateNonPartitionedTopicAsync(boolean authoritative,
+                                                     Map<String, String> properties) {
+        CompletableFuture<Void> ret = validateNonPartitionTopicNameAsync(topicName.getLocalName());
         if (topicName.isGlobal()) {
-            validateGlobalNamespaceOwnership(namespaceName);
-        }
-        validateTopicOwnership(topicName, authoritative);
-        validateNamespaceOperation(topicName.getNamespaceObject(), NamespaceOperation.CREATE_TOPIC);
-
-        PartitionedTopicMetadata partitionMetadata = getPartitionedTopicMetadata(topicName, authoritative, false);
-        if (partitionMetadata.partitions > 0) {
-            log.warn("[{}] Partitioned topic with the same name already exists {}", clientAppId(), topicName);
-            throw new RestException(Status.CONFLICT, "This topic already exists");
-        }
-
-        try {
-            Optional<Topic> existedTopic = pulsar().getBrokerService().getTopicIfExists(topicName.toString()).get();
-            if (existedTopic.isPresent()) {
-                log.error("[{}] Topic {} already exists", clientAppId(), topicName);
-                throw new RestException(Status.CONFLICT, "This topic already exists");
-            }
-
-            Topic createdTopic = getOrCreateTopic(topicName, properties);
-            log.info("[{}] Successfully created non-partitioned topic {}", clientAppId(), createdTopic);
-        } catch (Exception e) {
-            if (e instanceof RestException) {
-                throw (RestException) e;
-            } else {
-                log.error("[{}] Failed to create non-partitioned topic {}", clientAppId(), topicName, e);
-                throw new RestException(e);
-            }
+            ret.thenCompose(__ -> validateGlobalNamespaceOwnershipAsync(namespaceName));

Review Comment:
   ```suggestion
               ret = ret.thenCompose(__ -> validateGlobalNamespaceOwnershipAsync(namespaceName));
   ```



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