[GitHub] [pulsar] hangc0276 commented on a change in pull request #7863: support message dispatch rate on topic level

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

hangc0276 commented on a change in pull request #7863:
URL: https://github.com/apache/pulsar/pull/7863#discussion_r475166741



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File path: pulsar-broker/src/main/java/org/apache/pulsar/broker/service/SystemTopicBasedTopicPoliciesService.java
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@@ -329,5 +337,15 @@ Boolean getPoliciesCacheInit(NamespaceName namespaceName) {
         return policyCacheInitMap.get(namespaceName);
     }
 
+    @Override
+    public void registerListener(TopicName topicName, TopicPolicyListener<TopicPolicies> listener) {
+        listeners.computeIfAbsent(topicName, k -> Lists.newCopyOnWriteArrayList()).add(listener);
+    }
+
+    @Override
+    public void unregisterListener(TopicName topicName, TopicPolicyListener<TopicPolicies> listener) {
+        listeners.computeIfAbsent(topicName, k -> Lists.newCopyOnWriteArrayList());

Review comment:
       It should remove the specific listener,  and i have updated the code, please take a look again. Thanks




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