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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",
"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+",
"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." }
]}
]}
]
}