nicoloboschi commented on code in PR #17522:
URL: https://github.com/apache/pulsar/pull/17522#discussion_r1004673520
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/impl/TransactionsBase.java:
##########
@@ -68,6 +70,49 @@
@Slf4j
public abstract class TransactionsBase extends AdminResource {
+ protected void internalListCoordinators(AsyncResponse asyncResponse) {
+ final PulsarAdmin admin;
+ try {
+ admin = pulsar().getAdminClient();
+ } catch (PulsarServerException ex) {
+ asyncResponse.resume(new RestException(ex));
+ return;
+ }
+ Map<Integer, TransactionCoordinatorInfo> result = new HashMap<>();
+ admin.lookups()
+
.lookupPartitionedTopicAsync(SystemTopicNames.TRANSACTION_COORDINATOR_ASSIGN.getPartitionedTopicName())
+ .thenCompose(map -> {
+ map.forEach((topicPartition, brokerServiceUrl) -> {
+ final int coordinatorId =
TopicName.getPartitionIndex(topicPartition);
+ result.put(coordinatorId, new
TransactionCoordinatorInfo(coordinatorId, brokerServiceUrl));
+ });
+
+ return getPulsarResources()
+ .getTopicResources()
+
.getExistingPartitions(SystemTopicNames.TRANSACTION_COORDINATOR_ASSIGN);
+ })
+ .thenAccept(allPartitions -> {
+ allPartitions
+ .stream()
+ .filter(partition -> SystemTopicNames
+
.isTransactionCoordinatorAssign(TopicName.get(partition)))
+ .forEach(partition -> {
+ final int coordinatorId =
TopicName.getPartitionIndex(partition);
+ if (!result.containsKey(coordinatorId)) {
+ result.put(coordinatorId,
+ new
TransactionCoordinatorInfo(coordinatorId, null));
+ }
+ });
+ asyncResponse.resume(result.values());
Review Comment:
Because there may be partitions not currently loaded by any broker but it's
valuable for the user to know that exists
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