common.message.TxnOffsetCommitRequest.json Maven / Gradle / Ivy

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

{
  "apiKey": 28,
  "type": "request",
  "listeners": ["zkBroker", "broker"],
  "name": "TxnOffsetCommitRequest",
  // Version 1 is the same as version 0.
  //
  // Version 2 adds the committed leader epoch.
  //
  // Version 3 adds the member.id, group.instance.id and generation.id.
  "validVersions": "0-3",
  "flexibleVersions": "3+",
  "fields": [
    { "name": "TransactionalId", "type": "string", "versions": "0+", "entityType": "transactionalId",
      "about": "The ID of the transaction." },
    { "name": "GroupId", "type": "string", "versions": "0+", "entityType": "groupId",
      "about": "The ID of the group." },
    { "name": "ProducerId", "type": "int64", "versions": "0+", "entityType": "producerId",
      "about": "The current producer ID in use by the transactional ID." },
    { "name": "ProducerEpoch", "type": "int16", "versions": "0+",
      "about": "The current epoch associated with the producer ID." },
    { "name": "GenerationId", "type": "int32", "versions": "3+", "default": "-1",
      "about": "The generation of the consumer." },
    { "name": "MemberId", "type": "string", "versions": "3+", "default": "",
      "about": "The member ID assigned by the group coordinator." },
    { "name": "GroupInstanceId", "type": "string", "versions": "3+",
      "nullableVersions": "3+", "default": "null",
      "about": "The unique identifier of the consumer instance provided by end user." },
    { "name": "Topics", "type" : "[]TxnOffsetCommitRequestTopic", "versions": "0+",
      "about": "Each topic that we want to commit offsets for.", "fields": [
      { "name": "Name", "type": "string", "versions": "0+", "entityType": "topicName",
        "about": "The topic name." },
      { "name": "Partitions", "type": "[]TxnOffsetCommitRequestPartition", "versions": "0+",
        "about": "The partitions inside the topic that we want to committ offsets for.", "fields": [
        { "name": "PartitionIndex", "type": "int32", "versions": "0+",
          "about": "The index of the partition within the topic." },
        { "name": "CommittedOffset", "type": "int64", "versions": "0+",
          "about": "The message offset to be committed." },
        { "name": "CommittedLeaderEpoch", "type": "int32", "versions": "2+", "default": "-1", "ignorable": true,
          "about": "The leader epoch of the last consumed record." },
        { "name": "CommittedMetadata", "type": "string", "versions": "0+", "nullableVersions": "0+",
          "about": "Any associated metadata the client wants to keep." }
      ]}
    ]}
  ]
}