[GitHub] [kafka] ryannedolan commented on a change in pull request #10652: KAFKA-9726 IdentityReplicationPolicy

[GitBox <gi...@apache.org>]

ryannedolan commented on a change in pull request #10652:
URL: https://github.com/apache/kafka/pull/10652#discussion_r655712378



##########
File path: connect/mirror-client/src/main/java/org/apache/kafka/connect/mirror/IdentityReplicationPolicy.java
##########
@@ -0,0 +1,101 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.kafka.connect.mirror;
+
+import java.util.Map;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/** IdentityReplicationPolicy does not rename remote topics. This is useful for migrating
+  * from legacy MM1, or for any use-case involving one-way replication.
+  *
+  * N.B. MirrorMaker is not able to prevent cycles when using this class, so take care that
+  * your replication topology is acyclic. If migrating from MirrorMaker v1, this will likely
+  * already be the case.
+  */
+public class IdentityReplicationPolicy extends DefaultReplicationPolicy {
+    private static final Logger log = LoggerFactory.getLogger(IdentityReplicationPolicy.class);
+
+    public static final String SOURCE_CLUSTER_ALIAS_CONFIG = "source.cluster.alias";
+
+    private String sourceClusterAlias = null;
+
+    public IdentityReplicationPolicy() {
+        //nop
+    }
+
+    // Visible for testing
+    IdentityReplicationPolicy(String sourceClusterAlias) {

Review comment:
       fixed, thanks




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