[GitHub] [kafka] cmccabe commented on a change in pull request #10106: MINOR: add the MetaLogListener, LocalLogManager, and Controller interface.

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

cmccabe commented on a change in pull request #10106:
URL: https://github.com/apache/kafka/pull/10106#discussion_r574637676



##########
File path: metadata/src/main/java/org/apache/kafka/metalog/metalog/LocalLogManager.java
##########
@@ -0,0 +1,378 @@
+/*
+ * 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.metalog;
+
+import org.apache.kafka.common.protocol.ApiMessage;
+import org.apache.kafka.common.utils.LogContext;
+import org.apache.kafka.common.utils.Time;
+import org.apache.kafka.metadata.ApiMessageAndVersion;
+import org.apache.kafka.queue.EventQueue;
+import org.apache.kafka.queue.KafkaEventQueue;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.AbstractMap.SimpleImmutableEntry;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map.Entry;
+import java.util.Objects;
+import java.util.TreeMap;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.ThreadLocalRandom;
+import java.util.stream.Collectors;
+
+/**
+ * The LocalLogManager is a test implementation that relies on the contents of memory.

Review comment:
       Good question.  It was here because this code existed before the Raft integration.  Let's just move it into the test directory.




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