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.share.fetch;
  
  import org.apache.kafka.common.message.ShareFetchResponseData.AcquiredRecords;
  
  import java.util.List;
  import java.util.Objects;
  
  /**
   * The ShareAcquiredRecords class is used to send the acquired records and associated metadata.
   */
  public class ShareAcquiredRecords {
  
      private static final ShareAcquiredRecords EMPTY_SHARE_ACQUIRED_RECORDS = new ShareAcquiredRecords();
  
      /**
       * The list of acquired records.
       */
      private final List<AcquiredRecords> acquiredRecords;
      /**
        * The number of offsets acquired. The acquired records has a first and last offset, and the count
        * is the actual number of offsets acquired.
       */
      private final int count;
  
      public ShareAcquiredRecords(
          List<AcquiredRecords> acquiredRecords,
          int count
      ) {
          this.acquiredRecords = Objects.requireNonNull(acquiredRecords);
          this.count = count;
      }
  
      private ShareAcquiredRecords() {
          this.acquiredRecords = List.of();
          this.count = 0;
      }
  
      public List<AcquiredRecords> acquiredRecords() {
          return acquiredRecords;
      }
  
      public int count() {
          return count;
      }
  
      public static ShareAcquiredRecords empty() {
          return EMPTY_SHARE_ACQUIRED_RECORDS;
      }
  }
  