m1a2st commented on code in PR #17562: URL: https://github.com/apache/kafka/pull/17562#discussion_r1817963645
########## transaction-coordinator/src/main/java/org/apache/kafka/coordinator/transaction/ProducerIdManager.java: ########## @@ -0,0 +1,44 @@ +/* + * 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.coordinator.transaction; + + +import org.apache.kafka.common.utils.Time; +import org.apache.kafka.server.common.NodeToControllerChannelManager; + +import java.util.function.Supplier; + +/** + * ProducerIdManager is the part of the transaction coordinator that provides ProducerIds in a unique way + * such that the same producerId will not be assigned twice across multiple transaction coordinators. + * <p> + * ProducerIds are managed by the controller. When requesting a new range of IDs, we are guaranteed to receive + * a unique block. + */ +public interface ProducerIdManager { + + long generateProducerId() throws Exception; + + void shutdown(); Review Comment: This `shutdown` method, there are empty implement in `RPCProducerIdManager` and `ZkProducerIdManager` should we need to retain this method? -- 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. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
