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 org.apache.kafka.common.message.ReadShareGroupStateResponseData;
  
  import java.util.List;
  import java.util.stream.Collectors;
  
  /**
   * This class contains the result from {@link Persister#readState(ReadShareGroupStateParameters)}.
   */
  public class ReadShareGroupStateResult implements PersisterResult {
      private final List<TopicData<PartitionAllData>> topicsData;
  
      private ReadShareGroupStateResult(List<TopicData<PartitionAllData>> topicsData) {
          this.topicsData = topicsData;
      }
  
      public List<TopicData<PartitionAllData>> topicsData() {
          return topicsData;
      }
  
      public static ReadShareGroupStateResult from(ReadShareGroupStateResponseData data) {
          return new Builder()
                  .setTopicsData(data.results().stream()
                          .map(topicData -> new TopicData<>(topicData.topicId(),
                                  topicData.partitions().stream()
                                          .map(partitionResult -> PartitionFactory.newPartitionAllData(
                                                  partitionResult.partition(),
                                                  partitionResult.stateEpoch(),
                                                  partitionResult.startOffset(),
                                                  partitionResult.errorCode(),
                                                  partitionResult.errorMessage(),
                                                  partitionResult.stateBatches().stream()
                                                          .map(PersisterStateBatch::from)
                                                          .collect(Collectors.toList())
                                          ))
                                          .collect(Collectors.toList())))
                          .collect(Collectors.toList()))
                  .build();
      }
  
      public static class Builder {
  
          private List<TopicData<PartitionAllData>> topicsData;
  
          public Builder setTopicsData(List<TopicData<PartitionAllData>> topicsData) {
              this.topicsData = topicsData;
              return this;
          }
  
          public ReadShareGroupStateResult build() {
              return new ReadShareGroupStateResult(topicsData);
          }
      }
  }
  