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org.apache.kafka.common.message.OffsetCommitRequestData Maven / Gradle / Ivy

/*
 * 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.
 */

// THIS CODE IS AUTOMATICALLY GENERATED.  DO NOT EDIT.

package org.apache.kafka.common.message;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.IntNode;
import com.fasterxml.jackson.databind.node.JsonNodeFactory;
import com.fasterxml.jackson.databind.node.LongNode;
import com.fasterxml.jackson.databind.node.NullNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.fasterxml.jackson.databind.node.TextNode;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.List;
import java.util.NavigableMap;
import java.util.TreeMap;
import org.apache.kafka.common.errors.UnsupportedVersionException;
import org.apache.kafka.common.protocol.ApiMessage;
import org.apache.kafka.common.protocol.Message;
import org.apache.kafka.common.protocol.MessageUtil;
import org.apache.kafka.common.protocol.ObjectSerializationCache;
import org.apache.kafka.common.protocol.Readable;
import org.apache.kafka.common.protocol.Writable;
import org.apache.kafka.common.protocol.types.ArrayOf;
import org.apache.kafka.common.protocol.types.CompactArrayOf;
import org.apache.kafka.common.protocol.types.Field;
import org.apache.kafka.common.protocol.types.RawTaggedField;
import org.apache.kafka.common.protocol.types.RawTaggedFieldWriter;
import org.apache.kafka.common.protocol.types.Schema;
import org.apache.kafka.common.protocol.types.Struct;
import org.apache.kafka.common.protocol.types.Type;
import org.apache.kafka.common.utils.ByteUtils;

import static java.util.Map.Entry;
import static org.apache.kafka.common.protocol.types.Field.TaggedFieldsSection;


public class OffsetCommitRequestData implements ApiMessage {
    private String groupId;
    private int generationId;
    private String memberId;
    private String groupInstanceId;
    private long retentionTimeMs;
    private List topics;
    private List _unknownTaggedFields;
    
    public static final Schema SCHEMA_0 =
        new Schema(
            new Field("group_id", Type.STRING, "The unique group identifier."),
            new Field("topics", new ArrayOf(OffsetCommitRequestTopic.SCHEMA_0), "The topics to commit offsets for.")
        );
    
    public static final Schema SCHEMA_1 =
        new Schema(
            new Field("group_id", Type.STRING, "The unique group identifier."),
            new Field("generation_id", Type.INT32, "The generation of the group."),
            new Field("member_id", Type.STRING, "The member ID assigned by the group coordinator."),
            new Field("topics", new ArrayOf(OffsetCommitRequestTopic.SCHEMA_1), "The topics to commit offsets for.")
        );
    
    public static final Schema SCHEMA_2 =
        new Schema(
            new Field("group_id", Type.STRING, "The unique group identifier."),
            new Field("generation_id", Type.INT32, "The generation of the group."),
            new Field("member_id", Type.STRING, "The member ID assigned by the group coordinator."),
            new Field("retention_time_ms", Type.INT64, "The time period in ms to retain the offset."),
            new Field("topics", new ArrayOf(OffsetCommitRequestTopic.SCHEMA_2), "The topics to commit offsets for.")
        );
    
    public static final Schema SCHEMA_3 = SCHEMA_2;
    
    public static final Schema SCHEMA_4 = SCHEMA_3;
    
    public static final Schema SCHEMA_5 =
        new Schema(
            new Field("group_id", Type.STRING, "The unique group identifier."),
            new Field("generation_id", Type.INT32, "The generation of the group."),
            new Field("member_id", Type.STRING, "The member ID assigned by the group coordinator."),
            new Field("topics", new ArrayOf(OffsetCommitRequestTopic.SCHEMA_2), "The topics to commit offsets for.")
        );
    
    public static final Schema SCHEMA_6 =
        new Schema(
            new Field("group_id", Type.STRING, "The unique group identifier."),
            new Field("generation_id", Type.INT32, "The generation of the group."),
            new Field("member_id", Type.STRING, "The member ID assigned by the group coordinator."),
            new Field("topics", new ArrayOf(OffsetCommitRequestTopic.SCHEMA_6), "The topics to commit offsets for.")
        );
    
    public static final Schema SCHEMA_7 =
        new Schema(
            new Field("group_id", Type.STRING, "The unique group identifier."),
            new Field("generation_id", Type.INT32, "The generation of the group."),
            new Field("member_id", Type.STRING, "The member ID assigned by the group coordinator."),
            new Field("group_instance_id", Type.NULLABLE_STRING, "The unique identifier of the consumer instance provided by end user."),
            new Field("topics", new ArrayOf(OffsetCommitRequestTopic.SCHEMA_6), "The topics to commit offsets for.")
        );
    
    public static final Schema SCHEMA_8 =
        new Schema(
            new Field("group_id", Type.COMPACT_STRING, "The unique group identifier."),
            new Field("generation_id", Type.INT32, "The generation of the group."),
            new Field("member_id", Type.COMPACT_STRING, "The member ID assigned by the group coordinator."),
            new Field("group_instance_id", Type.COMPACT_NULLABLE_STRING, "The unique identifier of the consumer instance provided by end user."),
            new Field("topics", new CompactArrayOf(OffsetCommitRequestTopic.SCHEMA_8), "The topics to commit offsets for."),
            TaggedFieldsSection.of(
            )
        );
    
    public static final Schema[] SCHEMAS = new Schema[] {
        SCHEMA_0,
        SCHEMA_1,
        SCHEMA_2,
        SCHEMA_3,
        SCHEMA_4,
        SCHEMA_5,
        SCHEMA_6,
        SCHEMA_7,
        SCHEMA_8
    };
    
    public OffsetCommitRequestData(Readable _readable, short _version) {
        read(_readable, _version);
    }
    
    public OffsetCommitRequestData(Struct _struct, short _version) {
        fromStruct(_struct, _version);
    }
    
    public OffsetCommitRequestData(JsonNode _node, short _version) {
        fromJson(_node, _version);
    }
    
    public OffsetCommitRequestData() {
        this.groupId = "";
        this.generationId = -1;
        this.memberId = "";
        this.groupInstanceId = null;
        this.retentionTimeMs = -1L;
        this.topics = new ArrayList(0);
    }
    
    @Override
    public short apiKey() {
        return 8;
    }
    
    @Override
    public short lowestSupportedVersion() {
        return 0;
    }
    
    @Override
    public short highestSupportedVersion() {
        return 8;
    }
    
    @Override
    public void read(Readable _readable, short _version) {
        {
            int length;
            if (_version >= 8) {
                length = _readable.readUnsignedVarint() - 1;
            } else {
                length = _readable.readShort();
            }
            if (length < 0) {
                throw new RuntimeException("non-nullable field groupId was serialized as null");
            } else if (length > 0x7fff) {
                throw new RuntimeException("string field groupId had invalid length " + length);
            } else {
                this.groupId = _readable.readString(length);
            }
        }
        if (_version >= 1) {
            this.generationId = _readable.readInt();
        } else {
            this.generationId = -1;
        }
        if (_version >= 1) {
            int length;
            if (_version >= 8) {
                length = _readable.readUnsignedVarint() - 1;
            } else {
                length = _readable.readShort();
            }
            if (length < 0) {
                throw new RuntimeException("non-nullable field memberId was serialized as null");
            } else if (length > 0x7fff) {
                throw new RuntimeException("string field memberId had invalid length " + length);
            } else {
                this.memberId = _readable.readString(length);
            }
        } else {
            this.memberId = "";
        }
        if (_version >= 7) {
            int length;
            if (_version >= 8) {
                length = _readable.readUnsignedVarint() - 1;
            } else {
                length = _readable.readShort();
            }
            if (length < 0) {
                this.groupInstanceId = null;
            } else if (length > 0x7fff) {
                throw new RuntimeException("string field groupInstanceId had invalid length " + length);
            } else {
                this.groupInstanceId = _readable.readString(length);
            }
        } else {
            this.groupInstanceId = null;
        }
        if ((_version >= 2) && (_version <= 4)) {
            this.retentionTimeMs = _readable.readLong();
        } else {
            this.retentionTimeMs = -1L;
        }
        {
            if (_version >= 8) {
                int arrayLength;
                arrayLength = _readable.readUnsignedVarint() - 1;
                if (arrayLength < 0) {
                    throw new RuntimeException("non-nullable field topics was serialized as null");
                } else {
                    ArrayList newCollection = new ArrayList(arrayLength);
                    for (int i = 0; i < arrayLength; i++) {
                        newCollection.add(new OffsetCommitRequestTopic(_readable, _version));
                    }
                    this.topics = newCollection;
                }
            } else {
                int arrayLength;
                arrayLength = _readable.readInt();
                if (arrayLength < 0) {
                    throw new RuntimeException("non-nullable field topics was serialized as null");
                } else {
                    ArrayList newCollection = new ArrayList(arrayLength);
                    for (int i = 0; i < arrayLength; i++) {
                        newCollection.add(new OffsetCommitRequestTopic(_readable, _version));
                    }
                    this.topics = newCollection;
                }
            }
        }
        this._unknownTaggedFields = null;
        if (_version >= 8) {
            int _numTaggedFields = _readable.readUnsignedVarint();
            for (int _i = 0; _i < _numTaggedFields; _i++) {
                int _tag = _readable.readUnsignedVarint();
                int _size = _readable.readUnsignedVarint();
                switch (_tag) {
                    default:
                        this._unknownTaggedFields = _readable.readUnknownTaggedField(this._unknownTaggedFields, _tag, _size);
                        break;
                }
            }
        }
    }
    
    @Override
    public void write(Writable _writable, ObjectSerializationCache _cache, short _version) {
        int _numTaggedFields = 0;
        {
            byte[] _stringBytes = _cache.getSerializedValue(groupId);
            if (_version >= 8) {
                _writable.writeUnsignedVarint(_stringBytes.length + 1);
            } else {
                _writable.writeShort((short) _stringBytes.length);
            }
            _writable.writeByteArray(_stringBytes);
        }
        if (_version >= 1) {
            _writable.writeInt(generationId);
        }
        if (_version >= 1) {
            {
                byte[] _stringBytes = _cache.getSerializedValue(memberId);
                if (_version >= 8) {
                    _writable.writeUnsignedVarint(_stringBytes.length + 1);
                } else {
                    _writable.writeShort((short) _stringBytes.length);
                }
                _writable.writeByteArray(_stringBytes);
            }
        }
        if (_version >= 7) {
            if (groupInstanceId == null) {
                if (_version >= 8) {
                    _writable.writeUnsignedVarint(0);
                } else {
                    _writable.writeShort((short) -1);
                }
            } else {
                byte[] _stringBytes = _cache.getSerializedValue(groupInstanceId);
                if (_version >= 8) {
                    _writable.writeUnsignedVarint(_stringBytes.length + 1);
                } else {
                    _writable.writeShort((short) _stringBytes.length);
                }
                _writable.writeByteArray(_stringBytes);
            }
        } else {
            if (groupInstanceId != null) {
                throw new UnsupportedVersionException("Attempted to write a non-default groupInstanceId at version " + _version);
            }
        }
        if ((_version >= 2) && (_version <= 4)) {
            _writable.writeLong(retentionTimeMs);
        }
        if (_version >= 8) {
            _writable.writeUnsignedVarint(topics.size() + 1);
            for (OffsetCommitRequestTopic topicsElement : topics) {
                topicsElement.write(_writable, _cache, _version);
            }
        } else {
            _writable.writeInt(topics.size());
            for (OffsetCommitRequestTopic topicsElement : topics) {
                topicsElement.write(_writable, _cache, _version);
            }
        }
        RawTaggedFieldWriter _rawWriter = RawTaggedFieldWriter.forFields(_unknownTaggedFields);
        _numTaggedFields += _rawWriter.numFields();
        if (_version >= 8) {
            _writable.writeUnsignedVarint(_numTaggedFields);
            _rawWriter.writeRawTags(_writable, Integer.MAX_VALUE);
        } else {
            if (_numTaggedFields > 0) {
                throw new UnsupportedVersionException("Tagged fields were set, but version " + _version + " of this message does not support them.");
            }
        }
    }
    
    @SuppressWarnings("unchecked")
    @Override
    public void fromStruct(Struct struct, short _version) {
        NavigableMap _taggedFields = null;
        this._unknownTaggedFields = null;
        if (_version >= 8) {
            _taggedFields = (NavigableMap) struct.get("_tagged_fields");
        }
        this.groupId = struct.getString("group_id");
        if (_version >= 1) {
            this.generationId = struct.getInt("generation_id");
        } else {
            this.generationId = -1;
        }
        if (_version >= 1) {
            this.memberId = struct.getString("member_id");
        } else {
            this.memberId = "";
        }
        if (_version >= 7) {
            this.groupInstanceId = struct.getString("group_instance_id");
        } else {
            this.groupInstanceId = null;
        }
        if ((_version >= 2) && (_version <= 4)) {
            this.retentionTimeMs = struct.getLong("retention_time_ms");
        } else {
            this.retentionTimeMs = -1L;
        }
        {
            Object[] _nestedObjects = struct.getArray("topics");
            this.topics = new ArrayList(_nestedObjects.length);
            for (Object nestedObject : _nestedObjects) {
                this.topics.add(new OffsetCommitRequestTopic((Struct) nestedObject, _version));
            }
        }
        if (_version >= 8) {
            if (!_taggedFields.isEmpty()) {
                this._unknownTaggedFields = new ArrayList<>(_taggedFields.size());
                for (Entry entry : _taggedFields.entrySet()) {
                    this._unknownTaggedFields.add((RawTaggedField) entry.getValue());
                }
            }
        }
    }
    
    @Override
    public Struct toStruct(short _version) {
        TreeMap _taggedFields = null;
        if (_version >= 8) {
            _taggedFields = new TreeMap<>();
        }
        Struct struct = new Struct(SCHEMAS[_version]);
        struct.set("group_id", this.groupId);
        if (_version >= 1) {
            struct.set("generation_id", this.generationId);
        }
        if (_version >= 1) {
            struct.set("member_id", this.memberId);
        }
        if (_version >= 7) {
            struct.set("group_instance_id", this.groupInstanceId);
        } else {
            if (groupInstanceId != null) {
                throw new UnsupportedVersionException("Attempted to write a non-default groupInstanceId at version " + _version);
            }
        }
        if ((_version >= 2) && (_version <= 4)) {
            struct.set("retention_time_ms", this.retentionTimeMs);
        }
        {
            Struct[] _nestedObjects = new Struct[topics.size()];
            int i = 0;
            for (OffsetCommitRequestTopic element : this.topics) {
                _nestedObjects[i++] = element.toStruct(_version);
            }
            struct.set("topics", (Object[]) _nestedObjects);
        }
        if (_version >= 8) {
            struct.set("_tagged_fields", _taggedFields);
        }
        return struct;
    }
    
    @Override
    public void fromJson(JsonNode _node, short _version) {
        JsonNode _groupIdNode = _node.get("groupId");
        if (_groupIdNode == null) {
            throw new RuntimeException("OffsetCommitRequestData: unable to locate field 'groupId', which is mandatory in version " + _version);
        } else {
            if (!_groupIdNode.isTextual()) {
                throw new RuntimeException("OffsetCommitRequestData expected a string type, but got " + _node.getNodeType());
            }
            this.groupId = _groupIdNode.asText();
        }
        JsonNode _generationIdNode = _node.get("generationId");
        if (_generationIdNode == null) {
            if (_version >= 1) {
                throw new RuntimeException("OffsetCommitRequestData: unable to locate field 'generationId', which is mandatory in version " + _version);
            } else {
                this.generationId = -1;
            }
        } else {
            this.generationId = MessageUtil.jsonNodeToInt(_generationIdNode, "OffsetCommitRequestData");
        }
        JsonNode _memberIdNode = _node.get("memberId");
        if (_memberIdNode == null) {
            if (_version >= 1) {
                throw new RuntimeException("OffsetCommitRequestData: unable to locate field 'memberId', which is mandatory in version " + _version);
            } else {
                this.memberId = "";
            }
        } else {
            if (!_memberIdNode.isTextual()) {
                throw new RuntimeException("OffsetCommitRequestData expected a string type, but got " + _node.getNodeType());
            }
            this.memberId = _memberIdNode.asText();
        }
        JsonNode _groupInstanceIdNode = _node.get("groupInstanceId");
        if (_groupInstanceIdNode == null) {
            if (_version >= 7) {
                throw new RuntimeException("OffsetCommitRequestData: unable to locate field 'groupInstanceId', which is mandatory in version " + _version);
            } else {
                this.groupInstanceId = null;
            }
        } else {
            if (_groupInstanceIdNode.isNull()) {
                this.groupInstanceId = null;
            } else {
                if (!_groupInstanceIdNode.isTextual()) {
                    throw new RuntimeException("OffsetCommitRequestData expected a string type, but got " + _node.getNodeType());
                }
                this.groupInstanceId = _groupInstanceIdNode.asText();
            }
        }
        JsonNode _retentionTimeMsNode = _node.get("retentionTimeMs");
        if (_retentionTimeMsNode == null) {
            if ((_version >= 2) && (_version <= 4)) {
                throw new RuntimeException("OffsetCommitRequestData: unable to locate field 'retentionTimeMs', which is mandatory in version " + _version);
            } else {
                this.retentionTimeMs = -1L;
            }
        } else {
            this.retentionTimeMs = MessageUtil.jsonNodeToLong(_retentionTimeMsNode, "OffsetCommitRequestData");
        }
        JsonNode _topicsNode = _node.get("topics");
        if (_topicsNode == null) {
            throw new RuntimeException("OffsetCommitRequestData: unable to locate field 'topics', which is mandatory in version " + _version);
        } else {
            if (!_topicsNode.isArray()) {
                throw new RuntimeException("OffsetCommitRequestData expected a JSON array, but got " + _node.getNodeType());
            }
            this.topics = new ArrayList();
            for (JsonNode _element : _topicsNode) {
                topics.add(new OffsetCommitRequestTopic(_element, _version));
            }
        }
    }
    
    @Override
    public JsonNode toJson(short _version) {
        ObjectNode _node = new ObjectNode(JsonNodeFactory.instance);
        _node.set("groupId", new TextNode(this.groupId));
        if (_version >= 1) {
            _node.set("generationId", new IntNode(this.generationId));
        }
        if (_version >= 1) {
            _node.set("memberId", new TextNode(this.memberId));
        }
        if (_version >= 7) {
            if (this.groupInstanceId == null) {
                _node.set("groupInstanceId", NullNode.instance);
            } else {
                _node.set("groupInstanceId", new TextNode(this.groupInstanceId));
            }
        } else {
            if (groupInstanceId != null) {
                throw new UnsupportedVersionException("Attempted to write a non-default groupInstanceId at version " + _version);
            }
        }
        if ((_version >= 2) && (_version <= 4)) {
            _node.set("retentionTimeMs", new LongNode(this.retentionTimeMs));
        }
        ArrayNode _topicsArray = new ArrayNode(JsonNodeFactory.instance);
        for (OffsetCommitRequestTopic _element : this.topics) {
            _topicsArray.add(_element.toJson(_version));
        }
        _node.set("topics", _topicsArray);
        return _node;
    }
    
    @Override
    public int size(ObjectSerializationCache _cache, short _version) {
        int _size = 0, _numTaggedFields = 0;
        {
            byte[] _stringBytes = groupId.getBytes(StandardCharsets.UTF_8);
            if (_stringBytes.length > 0x7fff) {
                throw new RuntimeException("'groupId' field is too long to be serialized");
            }
            _cache.cacheSerializedValue(groupId, _stringBytes);
            if (_version >= 8) {
                _size += _stringBytes.length + ByteUtils.sizeOfUnsignedVarint(_stringBytes.length + 1);
            } else {
                _size += _stringBytes.length + 2;
            }
        }
        if (_version >= 1) {
            _size += 4;
        }
        if (_version >= 1) {
            {
                byte[] _stringBytes = memberId.getBytes(StandardCharsets.UTF_8);
                if (_stringBytes.length > 0x7fff) {
                    throw new RuntimeException("'memberId' field is too long to be serialized");
                }
                _cache.cacheSerializedValue(memberId, _stringBytes);
                if (_version >= 8) {
                    _size += _stringBytes.length + ByteUtils.sizeOfUnsignedVarint(_stringBytes.length + 1);
                } else {
                    _size += _stringBytes.length + 2;
                }
            }
        }
        if (_version >= 7) {
            if (groupInstanceId == null) {
                if (_version >= 8) {
                    _size += 1;
                } else {
                    _size += 2;
                }
            } else {
                byte[] _stringBytes = groupInstanceId.getBytes(StandardCharsets.UTF_8);
                if (_stringBytes.length > 0x7fff) {
                    throw new RuntimeException("'groupInstanceId' field is too long to be serialized");
                }
                _cache.cacheSerializedValue(groupInstanceId, _stringBytes);
                if (_version >= 8) {
                    _size += _stringBytes.length + ByteUtils.sizeOfUnsignedVarint(_stringBytes.length + 1);
                } else {
                    _size += _stringBytes.length + 2;
                }
            }
        }
        if ((_version >= 2) && (_version <= 4)) {
            _size += 8;
        }
        {
            int _arraySize = 0;
            if (_version >= 8) {
                _arraySize += ByteUtils.sizeOfUnsignedVarint(topics.size() + 1);
            } else {
                _arraySize += 4;
            }
            for (OffsetCommitRequestTopic topicsElement : topics) {
                _arraySize += topicsElement.size(_cache, _version);
            }
            _size += _arraySize;
        }
        if (_unknownTaggedFields != null) {
            _numTaggedFields += _unknownTaggedFields.size();
            for (RawTaggedField _field : _unknownTaggedFields) {
                _size += ByteUtils.sizeOfUnsignedVarint(_field.tag());
                _size += ByteUtils.sizeOfUnsignedVarint(_field.size());
                _size += _field.size();
            }
        }
        if (_version >= 8) {
            _size += ByteUtils.sizeOfUnsignedVarint(_numTaggedFields);
        } else {
            if (_numTaggedFields > 0) {
                throw new UnsupportedVersionException("Tagged fields were set, but version " + _version + " of this message does not support them.");
            }
        }
        return _size;
    }
    
    @Override
    public boolean equals(Object obj) {
        if (!(obj instanceof OffsetCommitRequestData)) return false;
        OffsetCommitRequestData other = (OffsetCommitRequestData) obj;
        if (this.groupId == null) {
            if (other.groupId != null) return false;
        } else {
            if (!this.groupId.equals(other.groupId)) return false;
        }
        if (generationId != other.generationId) return false;
        if (this.memberId == null) {
            if (other.memberId != null) return false;
        } else {
            if (!this.memberId.equals(other.memberId)) return false;
        }
        if (this.groupInstanceId == null) {
            if (other.groupInstanceId != null) return false;
        } else {
            if (!this.groupInstanceId.equals(other.groupInstanceId)) return false;
        }
        if (retentionTimeMs != other.retentionTimeMs) return false;
        if (this.topics == null) {
            if (other.topics != null) return false;
        } else {
            if (!this.topics.equals(other.topics)) return false;
        }
        return true;
    }
    
    @Override
    public int hashCode() {
        int hashCode = 0;
        hashCode = 31 * hashCode + (groupId == null ? 0 : groupId.hashCode());
        hashCode = 31 * hashCode + generationId;
        hashCode = 31 * hashCode + (memberId == null ? 0 : memberId.hashCode());
        hashCode = 31 * hashCode + (groupInstanceId == null ? 0 : groupInstanceId.hashCode());
        hashCode = 31 * hashCode + ((int) (retentionTimeMs >> 32) ^ (int) retentionTimeMs);
        hashCode = 31 * hashCode + (topics == null ? 0 : topics.hashCode());
        return hashCode;
    }
    
    @Override
    public OffsetCommitRequestData duplicate() {
        OffsetCommitRequestData _duplicate = new OffsetCommitRequestData();
        _duplicate.groupId = groupId;
        _duplicate.generationId = generationId;
        _duplicate.memberId = memberId;
        if (groupInstanceId == null) {
            _duplicate.groupInstanceId = null;
        } else {
            _duplicate.groupInstanceId = groupInstanceId;
        }
        _duplicate.retentionTimeMs = retentionTimeMs;
        ArrayList newTopics = new ArrayList(topics.size());
        for (OffsetCommitRequestTopic _element : topics) {
            newTopics.add(_element.duplicate());
        }
        _duplicate.topics = newTopics;
        return _duplicate;
    }
    
    @Override
    public String toString() {
        return "OffsetCommitRequestData("
            + "groupId=" + ((groupId == null) ? "null" : "'" + groupId.toString() + "'")
            + ", generationId=" + generationId
            + ", memberId=" + ((memberId == null) ? "null" : "'" + memberId.toString() + "'")
            + ", groupInstanceId=" + ((groupInstanceId == null) ? "null" : "'" + groupInstanceId.toString() + "'")
            + ", retentionTimeMs=" + retentionTimeMs
            + ", topics=" + MessageUtil.deepToString(topics.iterator())
            + ")";
    }
    
    public String groupId() {
        return this.groupId;
    }
    
    public int generationId() {
        return this.generationId;
    }
    
    public String memberId() {
        return this.memberId;
    }
    
    public String groupInstanceId() {
        return this.groupInstanceId;
    }
    
    public long retentionTimeMs() {
        return this.retentionTimeMs;
    }
    
    public List topics() {
        return this.topics;
    }
    
    @Override
    public List unknownTaggedFields() {
        if (_unknownTaggedFields == null) {
            _unknownTaggedFields = new ArrayList<>(0);
        }
        return _unknownTaggedFields;
    }
    
    public OffsetCommitRequestData setGroupId(String v) {
        this.groupId = v;
        return this;
    }
    
    public OffsetCommitRequestData setGenerationId(int v) {
        this.generationId = v;
        return this;
    }
    
    public OffsetCommitRequestData setMemberId(String v) {
        this.memberId = v;
        return this;
    }
    
    public OffsetCommitRequestData setGroupInstanceId(String v) {
        this.groupInstanceId = v;
        return this;
    }
    
    public OffsetCommitRequestData setRetentionTimeMs(long v) {
        this.retentionTimeMs = v;
        return this;
    }
    
    public OffsetCommitRequestData setTopics(List v) {
        this.topics = v;
        return this;
    }
    
    static public class OffsetCommitRequestTopic implements Message {
        private String name;
        private List partitions;
        private List _unknownTaggedFields;
        
        public static final Schema SCHEMA_0 =
            new Schema(
                new Field("name", Type.STRING, "The topic name."),
                new Field("partitions", new ArrayOf(OffsetCommitRequestPartition.SCHEMA_0), "Each partition to commit offsets for.")
            );
        
        public static final Schema SCHEMA_1 =
            new Schema(
                new Field("name", Type.STRING, "The topic name."),
                new Field("partitions", new ArrayOf(OffsetCommitRequestPartition.SCHEMA_1), "Each partition to commit offsets for.")
            );
        
        public static final Schema SCHEMA_2 =
            new Schema(
                new Field("name", Type.STRING, "The topic name."),
                new Field("partitions", new ArrayOf(OffsetCommitRequestPartition.SCHEMA_2), "Each partition to commit offsets for.")
            );
        
        public static final Schema SCHEMA_3 = SCHEMA_2;
        
        public static final Schema SCHEMA_4 = SCHEMA_3;
        
        public static final Schema SCHEMA_5 = SCHEMA_4;
        
        public static final Schema SCHEMA_6 =
            new Schema(
                new Field("name", Type.STRING, "The topic name."),
                new Field("partitions", new ArrayOf(OffsetCommitRequestPartition.SCHEMA_6), "Each partition to commit offsets for.")
            );
        
        public static final Schema SCHEMA_7 = SCHEMA_6;
        
        public static final Schema SCHEMA_8 =
            new Schema(
                new Field("name", Type.COMPACT_STRING, "The topic name."),
                new Field("partitions", new CompactArrayOf(OffsetCommitRequestPartition.SCHEMA_8), "Each partition to commit offsets for."),
                TaggedFieldsSection.of(
                )
            );
        
        public static final Schema[] SCHEMAS = new Schema[] {
            SCHEMA_0,
            SCHEMA_1,
            SCHEMA_2,
            SCHEMA_3,
            SCHEMA_4,
            SCHEMA_5,
            SCHEMA_6,
            SCHEMA_7,
            SCHEMA_8
        };
        
        public OffsetCommitRequestTopic(Readable _readable, short _version) {
            read(_readable, _version);
        }
        
        public OffsetCommitRequestTopic(Struct _struct, short _version) {
            fromStruct(_struct, _version);
        }
        
        public OffsetCommitRequestTopic(JsonNode _node, short _version) {
            fromJson(_node, _version);
        }
        
        public OffsetCommitRequestTopic() {
            this.name = "";
            this.partitions = new ArrayList(0);
        }
        
        
        @Override
        public short lowestSupportedVersion() {
            return 0;
        }
        
        @Override
        public short highestSupportedVersion() {
            return 8;
        }
        
        @Override
        public void read(Readable _readable, short _version) {
            if (_version > 8) {
                throw new UnsupportedVersionException("Can't read version " + _version + " of OffsetCommitRequestTopic");
            }
            {
                int length;
                if (_version >= 8) {
                    length = _readable.readUnsignedVarint() - 1;
                } else {
                    length = _readable.readShort();
                }
                if (length < 0) {
                    throw new RuntimeException("non-nullable field name was serialized as null");
                } else if (length > 0x7fff) {
                    throw new RuntimeException("string field name had invalid length " + length);
                } else {
                    this.name = _readable.readString(length);
                }
            }
            {
                if (_version >= 8) {
                    int arrayLength;
                    arrayLength = _readable.readUnsignedVarint() - 1;
                    if (arrayLength < 0) {
                        throw new RuntimeException("non-nullable field partitions was serialized as null");
                    } else {
                        ArrayList newCollection = new ArrayList(arrayLength);
                        for (int i = 0; i < arrayLength; i++) {
                            newCollection.add(new OffsetCommitRequestPartition(_readable, _version));
                        }
                        this.partitions = newCollection;
                    }
                } else {
                    int arrayLength;
                    arrayLength = _readable.readInt();
                    if (arrayLength < 0) {
                        throw new RuntimeException("non-nullable field partitions was serialized as null");
                    } else {
                        ArrayList newCollection = new ArrayList(arrayLength);
                        for (int i = 0; i < arrayLength; i++) {
                            newCollection.add(new OffsetCommitRequestPartition(_readable, _version));
                        }
                        this.partitions = newCollection;
                    }
                }
            }
            this._unknownTaggedFields = null;
            if (_version >= 8) {
                int _numTaggedFields = _readable.readUnsignedVarint();
                for (int _i = 0; _i < _numTaggedFields; _i++) {
                    int _tag = _readable.readUnsignedVarint();
                    int _size = _readable.readUnsignedVarint();
                    switch (_tag) {
                        default:
                            this._unknownTaggedFields = _readable.readUnknownTaggedField(this._unknownTaggedFields, _tag, _size);
                            break;
                    }
                }
            }
        }
        
        @Override
        public void write(Writable _writable, ObjectSerializationCache _cache, short _version) {
            int _numTaggedFields = 0;
            {
                byte[] _stringBytes = _cache.getSerializedValue(name);
                if (_version >= 8) {
                    _writable.writeUnsignedVarint(_stringBytes.length + 1);
                } else {
                    _writable.writeShort((short) _stringBytes.length);
                }
                _writable.writeByteArray(_stringBytes);
            }
            if (_version >= 8) {
                _writable.writeUnsignedVarint(partitions.size() + 1);
                for (OffsetCommitRequestPartition partitionsElement : partitions) {
                    partitionsElement.write(_writable, _cache, _version);
                }
            } else {
                _writable.writeInt(partitions.size());
                for (OffsetCommitRequestPartition partitionsElement : partitions) {
                    partitionsElement.write(_writable, _cache, _version);
                }
            }
            RawTaggedFieldWriter _rawWriter = RawTaggedFieldWriter.forFields(_unknownTaggedFields);
            _numTaggedFields += _rawWriter.numFields();
            if (_version >= 8) {
                _writable.writeUnsignedVarint(_numTaggedFields);
                _rawWriter.writeRawTags(_writable, Integer.MAX_VALUE);
            } else {
                if (_numTaggedFields > 0) {
                    throw new UnsupportedVersionException("Tagged fields were set, but version " + _version + " of this message does not support them.");
                }
            }
        }
        
        @SuppressWarnings("unchecked")
        @Override
        public void fromStruct(Struct struct, short _version) {
            if (_version > 8) {
                throw new UnsupportedVersionException("Can't read version " + _version + " of OffsetCommitRequestTopic");
            }
            NavigableMap _taggedFields = null;
            this._unknownTaggedFields = null;
            if (_version >= 8) {
                _taggedFields = (NavigableMap) struct.get("_tagged_fields");
            }
            this.name = struct.getString("name");
            {
                Object[] _nestedObjects = struct.getArray("partitions");
                this.partitions = new ArrayList(_nestedObjects.length);
                for (Object nestedObject : _nestedObjects) {
                    this.partitions.add(new OffsetCommitRequestPartition((Struct) nestedObject, _version));
                }
            }
            if (_version >= 8) {
                if (!_taggedFields.isEmpty()) {
                    this._unknownTaggedFields = new ArrayList<>(_taggedFields.size());
                    for (Entry entry : _taggedFields.entrySet()) {
                        this._unknownTaggedFields.add((RawTaggedField) entry.getValue());
                    }
                }
            }
        }
        
        @Override
        public Struct toStruct(short _version) {
            if (_version > 8) {
                throw new UnsupportedVersionException("Can't write version " + _version + " of OffsetCommitRequestTopic");
            }
            TreeMap _taggedFields = null;
            if (_version >= 8) {
                _taggedFields = new TreeMap<>();
            }
            Struct struct = new Struct(SCHEMAS[_version]);
            struct.set("name", this.name);
            {
                Struct[] _nestedObjects = new Struct[partitions.size()];
                int i = 0;
                for (OffsetCommitRequestPartition element : this.partitions) {
                    _nestedObjects[i++] = element.toStruct(_version);
                }
                struct.set("partitions", (Object[]) _nestedObjects);
            }
            if (_version >= 8) {
                struct.set("_tagged_fields", _taggedFields);
            }
            return struct;
        }
        
        @Override
        public void fromJson(JsonNode _node, short _version) {
            JsonNode _nameNode = _node.get("name");
            if (_nameNode == null) {
                throw new RuntimeException("OffsetCommitRequestTopic: unable to locate field 'name', which is mandatory in version " + _version);
            } else {
                if (!_nameNode.isTextual()) {
                    throw new RuntimeException("OffsetCommitRequestTopic expected a string type, but got " + _node.getNodeType());
                }
                this.name = _nameNode.asText();
            }
            JsonNode _partitionsNode = _node.get("partitions");
            if (_partitionsNode == null) {
                throw new RuntimeException("OffsetCommitRequestTopic: unable to locate field 'partitions', which is mandatory in version " + _version);
            } else {
                if (!_partitionsNode.isArray()) {
                    throw new RuntimeException("OffsetCommitRequestTopic expected a JSON array, but got " + _node.getNodeType());
                }
                this.partitions = new ArrayList();
                for (JsonNode _element : _partitionsNode) {
                    partitions.add(new OffsetCommitRequestPartition(_element, _version));
                }
            }
        }
        
        @Override
        public JsonNode toJson(short _version) {
            ObjectNode _node = new ObjectNode(JsonNodeFactory.instance);
            _node.set("name", new TextNode(this.name));
            ArrayNode _partitionsArray = new ArrayNode(JsonNodeFactory.instance);
            for (OffsetCommitRequestPartition _element : this.partitions) {
                _partitionsArray.add(_element.toJson(_version));
            }
            _node.set("partitions", _partitionsArray);
            return _node;
        }
        
        @Override
        public int size(ObjectSerializationCache _cache, short _version) {
            int _size = 0, _numTaggedFields = 0;
            if (_version > 8) {
                throw new UnsupportedVersionException("Can't size version " + _version + " of OffsetCommitRequestTopic");
            }
            {
                byte[] _stringBytes = name.getBytes(StandardCharsets.UTF_8);
                if (_stringBytes.length > 0x7fff) {
                    throw new RuntimeException("'name' field is too long to be serialized");
                }
                _cache.cacheSerializedValue(name, _stringBytes);
                if (_version >= 8) {
                    _size += _stringBytes.length + ByteUtils.sizeOfUnsignedVarint(_stringBytes.length + 1);
                } else {
                    _size += _stringBytes.length + 2;
                }
            }
            {
                int _arraySize = 0;
                if (_version >= 8) {
                    _arraySize += ByteUtils.sizeOfUnsignedVarint(partitions.size() + 1);
                } else {
                    _arraySize += 4;
                }
                for (OffsetCommitRequestPartition partitionsElement : partitions) {
                    _arraySize += partitionsElement.size(_cache, _version);
                }
                _size += _arraySize;
            }
            if (_unknownTaggedFields != null) {
                _numTaggedFields += _unknownTaggedFields.size();
                for (RawTaggedField _field : _unknownTaggedFields) {
                    _size += ByteUtils.sizeOfUnsignedVarint(_field.tag());
                    _size += ByteUtils.sizeOfUnsignedVarint(_field.size());
                    _size += _field.size();
                }
            }
            if (_version >= 8) {
                _size += ByteUtils.sizeOfUnsignedVarint(_numTaggedFields);
            } else {
                if (_numTaggedFields > 0) {
                    throw new UnsupportedVersionException("Tagged fields were set, but version " + _version + " of this message does not support them.");
                }
            }
            return _size;
        }
        
        @Override
        public boolean equals(Object obj) {
            if (!(obj instanceof OffsetCommitRequestTopic)) return false;
            OffsetCommitRequestTopic other = (OffsetCommitRequestTopic) obj;
            if (this.name == null) {
                if (other.name != null) return false;
            } else {
                if (!this.name.equals(other.name)) return false;
            }
            if (this.partitions == null) {
                if (other.partitions != null) return false;
            } else {
                if (!this.partitions.equals(other.partitions)) return false;
            }
            return true;
        }
        
        @Override
        public int hashCode() {
            int hashCode = 0;
            hashCode = 31 * hashCode + (name == null ? 0 : name.hashCode());
            hashCode = 31 * hashCode + (partitions == null ? 0 : partitions.hashCode());
            return hashCode;
        }
        
        @Override
        public OffsetCommitRequestTopic duplicate() {
            OffsetCommitRequestTopic _duplicate = new OffsetCommitRequestTopic();
            _duplicate.name = name;
            ArrayList newPartitions = new ArrayList(partitions.size());
            for (OffsetCommitRequestPartition _element : partitions) {
                newPartitions.add(_element.duplicate());
            }
            _duplicate.partitions = newPartitions;
            return _duplicate;
        }
        
        @Override
        public String toString() {
            return "OffsetCommitRequestTopic("
                + "name=" + ((name == null) ? "null" : "'" + name.toString() + "'")
                + ", partitions=" + MessageUtil.deepToString(partitions.iterator())
                + ")";
        }
        
        public String name() {
            return this.name;
        }
        
        public List partitions() {
            return this.partitions;
        }
        
        @Override
        public List unknownTaggedFields() {
            if (_unknownTaggedFields == null) {
                _unknownTaggedFields = new ArrayList<>(0);
            }
            return _unknownTaggedFields;
        }
        
        public OffsetCommitRequestTopic setName(String v) {
            this.name = v;
            return this;
        }
        
        public OffsetCommitRequestTopic setPartitions(List v) {
            this.partitions = v;
            return this;
        }
    }
    
    static public class OffsetCommitRequestPartition implements Message {
        private int partitionIndex;
        private long committedOffset;
        private int committedLeaderEpoch;
        private long commitTimestamp;
        private String committedMetadata;
        private List _unknownTaggedFields;
        
        public static final Schema SCHEMA_0 =
            new Schema(
                new Field("partition_index", Type.INT32, "The partition index."),
                new Field("committed_offset", Type.INT64, "The message offset to be committed."),
                new Field("committed_metadata", Type.NULLABLE_STRING, "Any associated metadata the client wants to keep.")
            );
        
        public static final Schema SCHEMA_1 =
            new Schema(
                new Field("partition_index", Type.INT32, "The partition index."),
                new Field("committed_offset", Type.INT64, "The message offset to be committed."),
                new Field("commit_timestamp", Type.INT64, "The timestamp of the commit."),
                new Field("committed_metadata", Type.NULLABLE_STRING, "Any associated metadata the client wants to keep.")
            );
        
        public static final Schema SCHEMA_2 =
            new Schema(
                new Field("partition_index", Type.INT32, "The partition index."),
                new Field("committed_offset", Type.INT64, "The message offset to be committed."),
                new Field("committed_metadata", Type.NULLABLE_STRING, "Any associated metadata the client wants to keep.")
            );
        
        public static final Schema SCHEMA_3 = SCHEMA_2;
        
        public static final Schema SCHEMA_4 = SCHEMA_3;
        
        public static final Schema SCHEMA_5 = SCHEMA_4;
        
        public static final Schema SCHEMA_6 =
            new Schema(
                new Field("partition_index", Type.INT32, "The partition index."),
                new Field("committed_offset", Type.INT64, "The message offset to be committed."),
                new Field("committed_leader_epoch", Type.INT32, "The leader epoch of this partition."),
                new Field("committed_metadata", Type.NULLABLE_STRING, "Any associated metadata the client wants to keep.")
            );
        
        public static final Schema SCHEMA_7 = SCHEMA_6;
        
        public static final Schema SCHEMA_8 =
            new Schema(
                new Field("partition_index", Type.INT32, "The partition index."),
                new Field("committed_offset", Type.INT64, "The message offset to be committed."),
                new Field("committed_leader_epoch", Type.INT32, "The leader epoch of this partition."),
                new Field("committed_metadata", Type.COMPACT_NULLABLE_STRING, "Any associated metadata the client wants to keep."),
                TaggedFieldsSection.of(
                )
            );
        
        public static final Schema[] SCHEMAS = new Schema[] {
            SCHEMA_0,
            SCHEMA_1,
            SCHEMA_2,
            SCHEMA_3,
            SCHEMA_4,
            SCHEMA_5,
            SCHEMA_6,
            SCHEMA_7,
            SCHEMA_8
        };
        
        public OffsetCommitRequestPartition(Readable _readable, short _version) {
            read(_readable, _version);
        }
        
        public OffsetCommitRequestPartition(Struct _struct, short _version) {
            fromStruct(_struct, _version);
        }
        
        public OffsetCommitRequestPartition(JsonNode _node, short _version) {
            fromJson(_node, _version);
        }
        
        public OffsetCommitRequestPartition() {
            this.partitionIndex = 0;
            this.committedOffset = 0L;
            this.committedLeaderEpoch = -1;
            this.commitTimestamp = -1L;
            this.committedMetadata = "";
        }
        
        
        @Override
        public short lowestSupportedVersion() {
            return 0;
        }
        
        @Override
        public short highestSupportedVersion() {
            return 8;
        }
        
        @Override
        public void read(Readable _readable, short _version) {
            if (_version > 8) {
                throw new UnsupportedVersionException("Can't read version " + _version + " of OffsetCommitRequestPartition");
            }
            this.partitionIndex = _readable.readInt();
            this.committedOffset = _readable.readLong();
            if (_version >= 6) {
                this.committedLeaderEpoch = _readable.readInt();
            } else {
                this.committedLeaderEpoch = -1;
            }
            if ((_version >= 1) && (_version <= 1)) {
                this.commitTimestamp = _readable.readLong();
            } else {
                this.commitTimestamp = -1L;
            }
            {
                int length;
                if (_version >= 8) {
                    length = _readable.readUnsignedVarint() - 1;
                } else {
                    length = _readable.readShort();
                }
                if (length < 0) {
                    this.committedMetadata = null;
                } else if (length > 0x7fff) {
                    throw new RuntimeException("string field committedMetadata had invalid length " + length);
                } else {
                    this.committedMetadata = _readable.readString(length);
                }
            }
            this._unknownTaggedFields = null;
            if (_version >= 8) {
                int _numTaggedFields = _readable.readUnsignedVarint();
                for (int _i = 0; _i < _numTaggedFields; _i++) {
                    int _tag = _readable.readUnsignedVarint();
                    int _size = _readable.readUnsignedVarint();
                    switch (_tag) {
                        default:
                            this._unknownTaggedFields = _readable.readUnknownTaggedField(this._unknownTaggedFields, _tag, _size);
                            break;
                    }
                }
            }
        }
        
        @Override
        public void write(Writable _writable, ObjectSerializationCache _cache, short _version) {
            int _numTaggedFields = 0;
            _writable.writeInt(partitionIndex);
            _writable.writeLong(committedOffset);
            if (_version >= 6) {
                _writable.writeInt(committedLeaderEpoch);
            }
            if ((_version >= 1) && (_version <= 1)) {
                _writable.writeLong(commitTimestamp);
            } else {
                if (commitTimestamp != -1L) {
                    throw new UnsupportedVersionException("Attempted to write a non-default commitTimestamp at version " + _version);
                }
            }
            if (committedMetadata == null) {
                if (_version >= 8) {
                    _writable.writeUnsignedVarint(0);
                } else {
                    _writable.writeShort((short) -1);
                }
            } else {
                byte[] _stringBytes = _cache.getSerializedValue(committedMetadata);
                if (_version >= 8) {
                    _writable.writeUnsignedVarint(_stringBytes.length + 1);
                } else {
                    _writable.writeShort((short) _stringBytes.length);
                }
                _writable.writeByteArray(_stringBytes);
            }
            RawTaggedFieldWriter _rawWriter = RawTaggedFieldWriter.forFields(_unknownTaggedFields);
            _numTaggedFields += _rawWriter.numFields();
            if (_version >= 8) {
                _writable.writeUnsignedVarint(_numTaggedFields);
                _rawWriter.writeRawTags(_writable, Integer.MAX_VALUE);
            } else {
                if (_numTaggedFields > 0) {
                    throw new UnsupportedVersionException("Tagged fields were set, but version " + _version + " of this message does not support them.");
                }
            }
        }
        
        @SuppressWarnings("unchecked")
        @Override
        public void fromStruct(Struct struct, short _version) {
            if (_version > 8) {
                throw new UnsupportedVersionException("Can't read version " + _version + " of OffsetCommitRequestPartition");
            }
            NavigableMap _taggedFields = null;
            this._unknownTaggedFields = null;
            if (_version >= 8) {
                _taggedFields = (NavigableMap) struct.get("_tagged_fields");
            }
            this.partitionIndex = struct.getInt("partition_index");
            this.committedOffset = struct.getLong("committed_offset");
            if (_version >= 6) {
                this.committedLeaderEpoch = struct.getInt("committed_leader_epoch");
            } else {
                this.committedLeaderEpoch = -1;
            }
            if ((_version >= 1) && (_version <= 1)) {
                this.commitTimestamp = struct.getLong("commit_timestamp");
            } else {
                this.commitTimestamp = -1L;
            }
            this.committedMetadata = struct.getString("committed_metadata");
            if (_version >= 8) {
                if (!_taggedFields.isEmpty()) {
                    this._unknownTaggedFields = new ArrayList<>(_taggedFields.size());
                    for (Entry entry : _taggedFields.entrySet()) {
                        this._unknownTaggedFields.add((RawTaggedField) entry.getValue());
                    }
                }
            }
        }
        
        @Override
        public Struct toStruct(short _version) {
            if (_version > 8) {
                throw new UnsupportedVersionException("Can't write version " + _version + " of OffsetCommitRequestPartition");
            }
            TreeMap _taggedFields = null;
            if (_version >= 8) {
                _taggedFields = new TreeMap<>();
            }
            Struct struct = new Struct(SCHEMAS[_version]);
            struct.set("partition_index", this.partitionIndex);
            struct.set("committed_offset", this.committedOffset);
            if (_version >= 6) {
                struct.set("committed_leader_epoch", this.committedLeaderEpoch);
            }
            if ((_version >= 1) && (_version <= 1)) {
                struct.set("commit_timestamp", this.commitTimestamp);
            } else {
                if (commitTimestamp != -1L) {
                    throw new UnsupportedVersionException("Attempted to write a non-default commitTimestamp at version " + _version);
                }
            }
            struct.set("committed_metadata", this.committedMetadata);
            if (_version >= 8) {
                struct.set("_tagged_fields", _taggedFields);
            }
            return struct;
        }
        
        @Override
        public void fromJson(JsonNode _node, short _version) {
            JsonNode _partitionIndexNode = _node.get("partitionIndex");
            if (_partitionIndexNode == null) {
                throw new RuntimeException("OffsetCommitRequestPartition: unable to locate field 'partitionIndex', which is mandatory in version " + _version);
            } else {
                this.partitionIndex = MessageUtil.jsonNodeToInt(_partitionIndexNode, "OffsetCommitRequestPartition");
            }
            JsonNode _committedOffsetNode = _node.get("committedOffset");
            if (_committedOffsetNode == null) {
                throw new RuntimeException("OffsetCommitRequestPartition: unable to locate field 'committedOffset', which is mandatory in version " + _version);
            } else {
                this.committedOffset = MessageUtil.jsonNodeToLong(_committedOffsetNode, "OffsetCommitRequestPartition");
            }
            JsonNode _committedLeaderEpochNode = _node.get("committedLeaderEpoch");
            if (_committedLeaderEpochNode == null) {
                if (_version >= 6) {
                    throw new RuntimeException("OffsetCommitRequestPartition: unable to locate field 'committedLeaderEpoch', which is mandatory in version " + _version);
                } else {
                    this.committedLeaderEpoch = -1;
                }
            } else {
                this.committedLeaderEpoch = MessageUtil.jsonNodeToInt(_committedLeaderEpochNode, "OffsetCommitRequestPartition");
            }
            JsonNode _commitTimestampNode = _node.get("commitTimestamp");
            if (_commitTimestampNode == null) {
                if ((_version >= 1) && (_version <= 1)) {
                    throw new RuntimeException("OffsetCommitRequestPartition: unable to locate field 'commitTimestamp', which is mandatory in version " + _version);
                } else {
                    this.commitTimestamp = -1L;
                }
            } else {
                this.commitTimestamp = MessageUtil.jsonNodeToLong(_commitTimestampNode, "OffsetCommitRequestPartition");
            }
            JsonNode _committedMetadataNode = _node.get("committedMetadata");
            if (_committedMetadataNode == null) {
                throw new RuntimeException("OffsetCommitRequestPartition: unable to locate field 'committedMetadata', which is mandatory in version " + _version);
            } else {
                if (_committedMetadataNode.isNull()) {
                    this.committedMetadata = null;
                } else {
                    if (!_committedMetadataNode.isTextual()) {
                        throw new RuntimeException("OffsetCommitRequestPartition expected a string type, but got " + _node.getNodeType());
                    }
                    this.committedMetadata = _committedMetadataNode.asText();
                }
            }
        }
        
        @Override
        public JsonNode toJson(short _version) {
            ObjectNode _node = new ObjectNode(JsonNodeFactory.instance);
            _node.set("partitionIndex", new IntNode(this.partitionIndex));
            _node.set("committedOffset", new LongNode(this.committedOffset));
            if (_version >= 6) {
                _node.set("committedLeaderEpoch", new IntNode(this.committedLeaderEpoch));
            }
            if ((_version >= 1) && (_version <= 1)) {
                _node.set("commitTimestamp", new LongNode(this.commitTimestamp));
            } else {
                if (commitTimestamp != -1L) {
                    throw new UnsupportedVersionException("Attempted to write a non-default commitTimestamp at version " + _version);
                }
            }
            if (this.committedMetadata == null) {
                _node.set("committedMetadata", NullNode.instance);
            } else {
                _node.set("committedMetadata", new TextNode(this.committedMetadata));
            }
            return _node;
        }
        
        @Override
        public int size(ObjectSerializationCache _cache, short _version) {
            int _size = 0, _numTaggedFields = 0;
            if (_version > 8) {
                throw new UnsupportedVersionException("Can't size version " + _version + " of OffsetCommitRequestPartition");
            }
            _size += 4;
            _size += 8;
            if (_version >= 6) {
                _size += 4;
            }
            if ((_version >= 1) && (_version <= 1)) {
                _size += 8;
            }
            if (committedMetadata == null) {
                if (_version >= 8) {
                    _size += 1;
                } else {
                    _size += 2;
                }
            } else {
                byte[] _stringBytes = committedMetadata.getBytes(StandardCharsets.UTF_8);
                if (_stringBytes.length > 0x7fff) {
                    throw new RuntimeException("'committedMetadata' field is too long to be serialized");
                }
                _cache.cacheSerializedValue(committedMetadata, _stringBytes);
                if (_version >= 8) {
                    _size += _stringBytes.length + ByteUtils.sizeOfUnsignedVarint(_stringBytes.length + 1);
                } else {
                    _size += _stringBytes.length + 2;
                }
            }
            if (_unknownTaggedFields != null) {
                _numTaggedFields += _unknownTaggedFields.size();
                for (RawTaggedField _field : _unknownTaggedFields) {
                    _size += ByteUtils.sizeOfUnsignedVarint(_field.tag());
                    _size += ByteUtils.sizeOfUnsignedVarint(_field.size());
                    _size += _field.size();
                }
            }
            if (_version >= 8) {
                _size += ByteUtils.sizeOfUnsignedVarint(_numTaggedFields);
            } else {
                if (_numTaggedFields > 0) {
                    throw new UnsupportedVersionException("Tagged fields were set, but version " + _version + " of this message does not support them.");
                }
            }
            return _size;
        }
        
        @Override
        public boolean equals(Object obj) {
            if (!(obj instanceof OffsetCommitRequestPartition)) return false;
            OffsetCommitRequestPartition other = (OffsetCommitRequestPartition) obj;
            if (partitionIndex != other.partitionIndex) return false;
            if (committedOffset != other.committedOffset) return false;
            if (committedLeaderEpoch != other.committedLeaderEpoch) return false;
            if (commitTimestamp != other.commitTimestamp) return false;
            if (this.committedMetadata == null) {
                if (other.committedMetadata != null) return false;
            } else {
                if (!this.committedMetadata.equals(other.committedMetadata)) return false;
            }
            return true;
        }
        
        @Override
        public int hashCode() {
            int hashCode = 0;
            hashCode = 31 * hashCode + partitionIndex;
            hashCode = 31 * hashCode + ((int) (committedOffset >> 32) ^ (int) committedOffset);
            hashCode = 31 * hashCode + committedLeaderEpoch;
            hashCode = 31 * hashCode + ((int) (commitTimestamp >> 32) ^ (int) commitTimestamp);
            hashCode = 31 * hashCode + (committedMetadata == null ? 0 : committedMetadata.hashCode());
            return hashCode;
        }
        
        @Override
        public OffsetCommitRequestPartition duplicate() {
            OffsetCommitRequestPartition _duplicate = new OffsetCommitRequestPartition();
            _duplicate.partitionIndex = partitionIndex;
            _duplicate.committedOffset = committedOffset;
            _duplicate.committedLeaderEpoch = committedLeaderEpoch;
            _duplicate.commitTimestamp = commitTimestamp;
            if (committedMetadata == null) {
                _duplicate.committedMetadata = null;
            } else {
                _duplicate.committedMetadata = committedMetadata;
            }
            return _duplicate;
        }
        
        @Override
        public String toString() {
            return "OffsetCommitRequestPartition("
                + "partitionIndex=" + partitionIndex
                + ", committedOffset=" + committedOffset
                + ", committedLeaderEpoch=" + committedLeaderEpoch
                + ", commitTimestamp=" + commitTimestamp
                + ", committedMetadata=" + ((committedMetadata == null) ? "null" : "'" + committedMetadata.toString() + "'")
                + ")";
        }
        
        public int partitionIndex() {
            return this.partitionIndex;
        }
        
        public long committedOffset() {
            return this.committedOffset;
        }
        
        public int committedLeaderEpoch() {
            return this.committedLeaderEpoch;
        }
        
        public long commitTimestamp() {
            return this.commitTimestamp;
        }
        
        public String committedMetadata() {
            return this.committedMetadata;
        }
        
        @Override
        public List unknownTaggedFields() {
            if (_unknownTaggedFields == null) {
                _unknownTaggedFields = new ArrayList<>(0);
            }
            return _unknownTaggedFields;
        }
        
        public OffsetCommitRequestPartition setPartitionIndex(int v) {
            this.partitionIndex = v;
            return this;
        }
        
        public OffsetCommitRequestPartition setCommittedOffset(long v) {
            this.committedOffset = v;
            return this;
        }
        
        public OffsetCommitRequestPartition setCommittedLeaderEpoch(int v) {
            this.committedLeaderEpoch = v;
            return this;
        }
        
        public OffsetCommitRequestPartition setCommitTimestamp(long v) {
            this.commitTimestamp = v;
            return this;
        }
        
        public OffsetCommitRequestPartition setCommittedMetadata(String v) {
            this.committedMetadata = v;
            return this;
        }
    }
}




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