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.common.requests;
  
  import org.apache.kafka.common.errors.UnsupportedVersionException;
  import org.apache.kafka.common.message.AlterPartitionReassignmentsRequestData;
  import org.apache.kafka.common.message.AlterPartitionReassignmentsRequestData.ReassignableTopic;
  import org.apache.kafka.common.message.AlterPartitionReassignmentsResponseData;
  import org.apache.kafka.common.message.AlterPartitionReassignmentsResponseData.ReassignablePartitionResponse;
  import org.apache.kafka.common.message.AlterPartitionReassignmentsResponseData.ReassignableTopicResponse;
  import org.apache.kafka.common.protocol.ApiKeys;
  import org.apache.kafka.common.protocol.Readable;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.stream.Collectors;
  
  public class AlterPartitionReassignmentsRequest extends AbstractRequest {
  
      public static class Builder extends AbstractRequest.Builder<AlterPartitionReassignmentsRequest> {
          private final AlterPartitionReassignmentsRequestData data;
  
          public Builder(AlterPartitionReassignmentsRequestData data) {
              super(ApiKeys.ALTER_PARTITION_REASSIGNMENTS);
              this.data = data;
          }
  
          @Override
          public AlterPartitionReassignmentsRequest build(short version) {
              if (!data.allowReplicationFactorChange() && version < 1) {
                  throw new UnsupportedVersionException("The broker does not support the AllowReplicationFactorChange " +
                          "option for the AlterPartitionReassignments API. Consider re-sending the request without the " +
                          "option or updating the server version");
              }
              return new AlterPartitionReassignmentsRequest(data, version);
          }
  
          @Override
          public String toString() {
              return data.toString();
          }
      }
  
      private final AlterPartitionReassignmentsRequestData data;
  
      private AlterPartitionReassignmentsRequest(AlterPartitionReassignmentsRequestData data, short version) {
          super(ApiKeys.ALTER_PARTITION_REASSIGNMENTS, version);
          this.data = data;
      }
  
      public static AlterPartitionReassignmentsRequest parse(Readable readable, short version) {
          return new AlterPartitionReassignmentsRequest(new AlterPartitionReassignmentsRequestData(
              readable, version), version);
      }
  
      public AlterPartitionReassignmentsRequestData data() {
          return data;
      }
  
      @Override
      public AbstractResponse getErrorResponse(int throttleTimeMs, Throwable e) {
          ApiError apiError = ApiError.fromThrowable(e);
          List<ReassignableTopicResponse> topicResponses = new ArrayList<>();
  
          for (ReassignableTopic topic : data.topics()) {
              List<ReassignablePartitionResponse> partitionResponses = topic.partitions().stream().map(partition ->
                      new ReassignablePartitionResponse()
                              .setPartitionIndex(partition.partitionIndex())
                              .setErrorCode(apiError.error().code())
                              .setErrorMessage(apiError.message())
              ).collect(Collectors.toList());
              topicResponses.add(
                      new ReassignableTopicResponse()
                              .setName(topic.name())
                              .setPartitions(partitionResponses)
              );
          }
  
          AlterPartitionReassignmentsResponseData responseData = new AlterPartitionReassignmentsResponseData()
                  .setResponses(topicResponses)
                  .setErrorCode(apiError.error().code())
                  .setErrorMessage(apiError.message())
                  .setThrottleTimeMs(throttleTimeMs);
          return new AlterPartitionReassignmentsResponse(responseData);
      }
  }
  