tvainika commented on a change in pull request #10277:
URL: https://github.com/apache/kafka/pull/10277#discussion_r687419372
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File path:
connect/mirror/src/main/java/org/apache/kafka/connect/mirror/MirrorSourceConnector.java
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@@ -489,7 +489,17 @@ boolean isCycle(String topic) {
String source = replicationPolicy.topicSource(topic);
if (source == null) {
return false;
- } else if (source.equals(sourceAndTarget.target())) {
+ }
+
+ // Fix for https://issues.apache.org/jira/browse/KAFKA-9914
+ final boolean condition;
+ if (replicationPolicy instanceof IdentityReplicationPolicy) {
Review comment:
So clearly the `IdentityReplicationPolicy` cannot detect cycles, and
this is documented
https://github.com/apache/kafka/blob/2edaf9ddd30a6417c34f5bce6894a5340632ff1e/docs/upgrade.html#L112
So, would it make sense to move this `isCycle()` method to
`ReplicationPolicy` interface (changing that interface, which is marked
`evolving`), and have separate implementation for `isCycle` per replication
policy, or which kind of approach do you see fitting best here?
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