BewareMyPower commented on code in PR #22797:
URL: https://github.com/apache/pulsar/pull/22797#discussion_r1620200590
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/impl/PersistentTopicsBase.java:
##########
@@ -449,20 +449,52 @@ protected CompletableFuture<Void>
internalCreateNonPartitionedTopicAsync(boolean
}
// update remote cluster
return namespaceResources().getPoliciesAsync(namespaceName)
+ .thenCompose(CompletableFuture::completedFuture)
.thenCompose(policies -> {
- if (!policies.isPresent()) {
+ if (policies.isEmpty()) {
return
CompletableFuture.completedFuture(null);
}
// Combine namespace level policies and topic
level policies.
Set<String> replicationClusters =
policies.get().replication_clusters;
TopicPolicies topicPolicies =
pulsarService.getTopicPoliciesService().getTopicPoliciesIfExists(topicName);
- if (topicPolicies != null) {
- replicationClusters = new
HashSet<>(topicPolicies.getReplicationClusters());
+ if (topicPolicies != null &&
topicPolicies.getReplicationClusters() != null) {
+ replicationClusters = new HashSet<>();
}
+
+ CompletableFuture<Void> checkShadowTopics =
Optional.ofNullable(topicPolicies)
+ .map(TopicPolicies::getShadowTopics)
+ .filter(shadowTopics ->
!shadowTopics.isEmpty())
+ .map(shadowTopics -> {
+ List<CompletableFuture<Void>>
futures = shadowTopics.stream()
+ .map(shadowTopic ->
getPartitionedTopicMetadataAsync(
+
TopicName.get(shadowTopic), false, false)
+
.thenCompose(metadata -> {
+ if
(metadata.partitions < expectPartitions) {
+ return
CompletableFuture.<Void>failedFuture(
+
new RestException(400, String.format(
+
"The shadow topic %s has fewer "
+
+ "partitions than the current "
+
+ "topic. Currently, it only "
+
+ "contains %d partitions. Please"
+
+ " expand the partitions of the "
+
+ "shadow topic %s first.",
+
shadowTopic, metadata.partitions,
+
shadowTopic
+ ))
+ );
+ }
+ return
CompletableFuture.completedFuture(null);
+ }))
+
.collect(Collectors.toList());
+ return
FutureUtil.waitForAll(futures);
+ })
+
.orElse(CompletableFuture.completedFuture(null));
Review Comment:
<img width="717" alt="image"
src="https://github.com/apache/pulsar/assets/18204803/5642c8ee-cd22-466b-8013-735fb65ffd75";>
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