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.persister;
  
  import java.util.List;
  import java.util.Objects;
  
  /**
   * This class is used to contain the data for a group, a topic and its partitions in the interface to {@link Persister}.
   *
   * @param <P> The type of {@link PartitionInfoData}
   */
  public class GroupTopicPartitionData<P extends PartitionInfoData> {
      private final String groupId;
      private final List<TopicData<P>> topicsData;
  
      public GroupTopicPartitionData(String groupId, List<TopicData<P>> topicsData) {
          this.groupId = groupId;
          this.topicsData = topicsData;
      }
  
      public String groupId() {
          return groupId;
      }
  
      public List<TopicData<P>> topicsData() {
          return topicsData;
      }
  
      @Override
      public boolean equals(Object o) {
          if (this == o) return true;
          if (o == null || getClass() != o.getClass()) return false;
          GroupTopicPartitionData<?> that = (GroupTopicPartitionData<?>) o;
          return Objects.equals(groupId, that.groupId) && Objects.equals(topicsData, that.topicsData);
      }
  
      @Override
      public int hashCode() {
          return Objects.hash(groupId, topicsData);
      }
  
      public static class Builder<P extends PartitionInfoData> {
          private String groupId;
          private List<TopicData<P>> topicsData;
  
          public Builder<P> setGroupId(String groupId) {
              this.groupId = groupId;
              return this;
          }
  
          public Builder<P> setTopicsData(List<TopicData<P>> topicsData) {
              this.topicsData = topicsData;
              return this;
          }
  
          public Builder<P> setGroupTopicPartition(GroupTopicPartitionData<P> groupTopicPartitionData) {
              this.groupId = groupTopicPartitionData.groupId();
              this.topicsData = groupTopicPartitionData.topicsData();
              return this;
          }
  
          public GroupTopicPartitionData<P> build() {
              return new GroupTopicPartitionData<P>(this.groupId, this.topicsData);
          }
      }
  
      @Override
      public String toString() {
          return "GroupTopicPartitionData(" +
                  "groupId=" + groupId + ", " +
                  "topicsData=" + topicsData +
                  ")";
      }
  }
  