[GitHub] [pulsar] jerrypeng commented on a change in pull request #11763: [Pulsar-client] Allow us to easily get a mapping of brokers to partitioned topics

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jerrypeng commented on a change in pull request #11763:
URL: https://github.com/apache/pulsar/pull/11763#discussion_r702095831



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File path: pulsar-client-tools/src/main/java/org/apache/pulsar/admin/cli/CmdTopics.java
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@@ -345,12 +349,30 @@ void run() throws PulsarAdminException {
     private class PartitionedLookup extends CliCommand {
         @Parameter(description = "persistent://tenant/namespace/partitionedTopic", required = true)
         private java.util.List<String> params;
+        @Parameter(names = { "-s",
+                                "--sort-by-broker" }, description = "Sort partitioned-topic by Broker Url")
+        private boolean sortByBroker = false;
 
         @Override
         void run() throws PulsarAdminException {
             String topic = validateTopicName(params);
-            print(getAdmin().lookups().lookupPartitionedTopic(topic));
+            if (sortByBroker) {
+                print(lookupPartitionedTopicSortByBroker(topic));
+            } else {
+                print(getAdmin().lookups().lookupPartitionedTopic(topic));
+            }
+        }
+    }
+
+    private Map<String, List<String>> lookupPartitionedTopicSortByBroker(String topic) throws PulsarAdminException {
+        Map<String, String> partitionLookup = getAdmin().lookups().lookupPartitionedTopic(topic);
+        Map<String, List<String>> result = new LinkedHashMap<>();

Review comment:
       Nit.  is there a reason we need to use a LinkedHashMap?




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