content: /*
   * 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.server.config;
  
  import org.apache.kafka.common.config.AbstractConfig;
  import org.apache.kafka.common.config.ConfigException;
  import org.apache.kafka.config.BrokerReconfigurable;
  import org.apache.kafka.coordinator.transaction.TransactionLogConfig;
  import org.apache.kafka.storage.internals.log.ProducerStateManagerConfig;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.util.Set;
  
  public class DynamicProducerStateManagerConfig implements BrokerReconfigurable {
      private final Logger log = LoggerFactory.getLogger(DynamicProducerStateManagerConfig.class);
      private final ProducerStateManagerConfig producerStateManagerConfig;
  
      public DynamicProducerStateManagerConfig(ProducerStateManagerConfig producerStateManagerConfig) {
          this.producerStateManagerConfig = producerStateManagerConfig;
      }
  
      @Override
      public Set<String> reconfigurableConfigs() {
          return Set.of(TransactionLogConfig.PRODUCER_ID_EXPIRATION_MS_CONFIG, TransactionLogConfig.TRANSACTION_PARTITION_VERIFICATION_ENABLE_CONFIG);
      }
  
      @Override
      public void validateReconfiguration(AbstractConfig newConfig) {
          TransactionLogConfig transactionLogConfig = new TransactionLogConfig(newConfig);
          if (transactionLogConfig.producerIdExpirationMs() < 0)
              throw new ConfigException(TransactionLogConfig.PRODUCER_ID_EXPIRATION_MS_CONFIG + "cannot be less than 0, current value is " +
                                        producerStateManagerConfig.producerIdExpirationMs() + ", and new value is " + transactionLogConfig.producerIdExpirationMs());
      }
  
      @Override
      public void reconfigure(AbstractConfig oldConfig, AbstractConfig newConfig) {
          TransactionLogConfig transactionLogConfig = new TransactionLogConfig(newConfig);
          if (producerStateManagerConfig.producerIdExpirationMs() != transactionLogConfig.producerIdExpirationMs()) {
              log.info("Reconfigure {} from {} to {}",
                  TransactionLogConfig.PRODUCER_ID_EXPIRATION_MS_CONFIG,
                  producerStateManagerConfig.producerIdExpirationMs(),
                  transactionLogConfig.producerIdExpirationMs());
              producerStateManagerConfig.setProducerIdExpirationMs(transactionLogConfig.producerIdExpirationMs());
          }
          if (producerStateManagerConfig.transactionVerificationEnabled() != transactionLogConfig.transactionPartitionVerificationEnable()) {
              log.info("Reconfigure {} from {} to {}",
                  TransactionLogConfig.TRANSACTION_PARTITION_VERIFICATION_ENABLE_CONFIG,
                  producerStateManagerConfig.transactionVerificationEnabled(),
                  transactionLogConfig.transactionPartitionVerificationEnable());
              producerStateManagerConfig.setTransactionVerificationEnabled(transactionLogConfig.transactionPartitionVerificationEnable());
          }
      }
  }
  