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// 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 implie
// See the License for the specific language governing permissions and
// limitations under the License.

{
  "apiKey": 56,
  "type": "request",
  "listeners": ["zkBroker", "controller"],
  "name": "AlterPartitionRequest",
  // Version 1 adds LeaderRecoveryState field (KIP-704).
  //
  // Version 2 adds TopicId field to replace TopicName field (KIP-841).
  "validVersions": "0-2",
  "flexibleVersions": "0+",
  "fields": [
    { "name": "BrokerId", "type": "int32", "versions": "0+", "entityType": "brokerId",
      "about": "The ID of the requesting broker" },
    { "name": "BrokerEpoch", "type": "int64", "versions": "0+", "default": "-1",
      "about": "The epoch of the requesting broker" },
    { "name": "Topics", "type": "[]TopicData", "versions": "0+", "fields": [
      { "name":  "TopicName", "type": "string", "versions": "0-1", "ignorable": true, "entityType": "topicName",
        "about": "The name of the topic to alter ISRs for" },
      { "name":  "TopicId", "type": "uuid", "versions": "2+", "ignorable": true,
        "about": "The ID of the topic to alter ISRs for" },
      { "name": "Partitions", "type": "[]PartitionData", "versions": "0+", "fields": [
        { "name": "PartitionIndex", "type": "int32", "versions": "0+",
          "about": "The partition index" },
        { "name": "LeaderEpoch", "type": "int32", "versions": "0+",
          "about": "The leader epoch of this partition" },
        { "name": "NewIsr", "type": "[]int32", "versions": "0+", "entityType": "brokerId",
          "about": "The ISR for this partition" },
        { "name": "LeaderRecoveryState", "type": "int8", "versions": "1+", "default": "0",
          "about": "1 if the partition is recovering from an unclean leader election; 0 otherwise." },
        { "name": "PartitionEpoch", "type": "int32", "versions": "0+",
          "about": "The expected epoch of the partition which is being updated. For legacy cluster this is the ZkVersion in the LeaderAndIsr request." }
      ]}
    ]}
  ]
}