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.coordinator.common.runtime;
  
  import org.apache.kafka.common.requests.TransactionResult;
  
  /**
   * The CoordinatorPlayback interface. This interface is used to replay
   * records to the coordinator in order to update its state. This is
   * also used to rebuild a coordinator state from scratch by replaying
   * all records stored in the partition.
   *
   * @param <U> The type of the record.
   */
  public interface CoordinatorPlayback<U> {
      /**
       * Applies the given record to this object.
       *
       * @param offset        The offset of the record in the log.
       * @param producerId    The producer id.
       * @param producerEpoch The producer epoch.
       * @param record        A record.
       * @throws RuntimeException if the record can not be applied.
       */
      void replay(
          long offset,
          long producerId,
          short producerEpoch,
          U record
      ) throws RuntimeException;
  
      /**
       * Applies the given transaction marker.
       *
       * @param producerId    The producer id.
       * @param producerEpoch The producer epoch.
       * @param result        The result of the transaction.
       * @throws RuntimeException if the transaction can not be completed.
       */
      void replayEndTransactionMarker(
          long producerId,
          short producerEpoch,
          TransactionResult result
      ) throws RuntimeException;
  
      /**
       * Invoke operations when a batch has been successfully loaded.
       *
       * @param offset the offset of the last record in the batch plus one.
       */
      void updateLastWrittenOffset(Long offset);
  
      /**
       * Called when the high watermark advances.
       *
       * @param offset The offset of the new high watermark.
       */
      void updateLastCommittedOffset(Long offset);
  }
  