aloyszhang commented on a change in pull request #13796:
URL: https://github.com/apache/pulsar/pull/13796#discussion_r786928753
##########
File path:
pulsar-broker/src/main/java/org/apache/pulsar/common/naming/SpecifiedTopicCountEquallyDivideBundleSplitAlgorithm.java
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@@ -0,0 +1,38 @@
+package org.apache.pulsar.common.naming;
+
+
+import org.apache.pulsar.broker.namespace.NamespaceService;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.concurrent.CompletableFuture;
+
+public class SpecifiedTopicCountEquallyDivideBundleSplitAlgorithm implements
NamespaceBundleSplitAlgorithm{
+ @Override
+ public CompletableFuture<Long> getSplitBoundary(BundleSplitOption
bundleSplitOption) {
+ NamespaceService service = bundleSplitOption.getService();
+ NamespaceBundle bundle = bundleSplitOption.getBundle();
+ String topicName = bundleSplitOption.getTopic();
+ return
service.getOwnedTopicListForNamespaceBundle(bundle).thenCompose(topics -> {
+ if (topics == null || topics.size() <= 1) {
+ return CompletableFuture.completedFuture(null);
+ }
+ String targetTopicName =
TopicName.get(topicName).getPartitionedTopicName();
+ List<Long> topicNameHashList = new ArrayList<>(topics.size());
+ for (String topic : topics) {
+ TopicName tName = TopicName.get(topic);
+ if (tName.isPartitioned() &&
tName.getPartitionedTopicName().equals(targetTopicName))
Review comment:
fixed
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