cadonna commented on a change in pull request #8902: URL: https://github.com/apache/kafka/pull/8902#discussion_r446067346
########## File path: streams/src/main/java/org/apache/kafka/streams/processor/internals/AbstractStateManager.java ########## @@ -0,0 +1,33 @@ +/* + * 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.streams.processor.internals; + +import java.util.Map; + +public abstract class AbstractStateManager implements StateManager { Review comment: Since two people now criticized this, I will remove this abstract class. However, I strongly disagree that we should not abstract (and reduce code duplications) because maybe sometime in the future the abstraction might become excessive and hence unmaintainable. It is our responsibility to avoid the latter while keeping a clean design. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org