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.Node;
  import org.apache.kafka.common.TopicPartitionInfo;
  import org.apache.kafka.common.message.DescribeTopicPartitionsResponseData;
  import org.apache.kafka.common.message.DescribeTopicPartitionsResponseData.DescribeTopicPartitionsResponseTopic;
  import org.apache.kafka.common.protocol.ApiKeys;
  import org.apache.kafka.common.protocol.Errors;
  import org.apache.kafka.common.protocol.Readable;
  
  import java.util.EnumMap;
  import java.util.List;
  import java.util.Map;
  import java.util.stream.Collectors;
  
  public class DescribeTopicPartitionsResponse extends AbstractResponse {
      private final DescribeTopicPartitionsResponseData data;
  
      public DescribeTopicPartitionsResponse(DescribeTopicPartitionsResponseData data) {
          super(ApiKeys.DESCRIBE_TOPIC_PARTITIONS);
          this.data = data;
      }
  
      @Override
      public DescribeTopicPartitionsResponseData data() {
          return data;
      }
  
      @Override
      public int throttleTimeMs() {
          return data.throttleTimeMs();
      }
  
      @Override
      public void maybeSetThrottleTimeMs(int throttleTimeMs) {
          data.setThrottleTimeMs(throttleTimeMs);
      }
  
      @Override
      public boolean shouldClientThrottle(short version) {
          return true;
      }
  
      @Override
      public Map<Errors, Integer> errorCounts() {
          Map<Errors, Integer> errorCounts = new EnumMap<>(Errors.class);
          data.topics().forEach(topicResponse -> {
              topicResponse.partitions().forEach(p -> updateErrorCounts(errorCounts, Errors.forCode(p.errorCode())));
              updateErrorCounts(errorCounts, Errors.forCode(topicResponse.errorCode()));
          });
          return errorCounts;
      }
  
      public static DescribeTopicPartitionsResponse prepareResponse(
          int throttleTimeMs,
          List<DescribeTopicPartitionsResponseTopic> topics
      ) {
          DescribeTopicPartitionsResponseData responseData = new DescribeTopicPartitionsResponseData();
          responseData.setThrottleTimeMs(throttleTimeMs);
          topics.forEach(topicResponse -> responseData.topics().add(topicResponse));
          return new DescribeTopicPartitionsResponse(responseData);
      }
  
      public static DescribeTopicPartitionsResponse parse(Readable readable, short version) {
          return new DescribeTopicPartitionsResponse(
              new DescribeTopicPartitionsResponseData(readable, version));
      }
  
      public static TopicPartitionInfo partitionToTopicPartitionInfo(
          DescribeTopicPartitionsResponseData.DescribeTopicPartitionsResponsePartition partition,
          Map<Integer, Node> nodes) {
          return new TopicPartitionInfo(
              partition.partitionIndex(),
              nodes.get(partition.leaderId()),
              partition.replicaNodes().stream().map(id -> nodes.getOrDefault(id, new Node(id, "", -1))).collect(Collectors.toList()),
              partition.isrNodes().stream().map(id -> nodes.getOrDefault(id, new Node(id, "", -1))).collect(Collectors.toList()),
              partition.eligibleLeaderReplicas().stream().map(id -> nodes.getOrDefault(id, new Node(id, "", -1))).collect(Collectors.toList()),
              partition.lastKnownElr().stream().map(id -> nodes.getOrDefault(id, new Node(id, "", -1))).collect(Collectors.toList()));
      }
  }
  