kafka PartialDefaultRecord 源码

2022-10-20
浏览 (486)

kafka PartialDefaultRecord 代码

文件路径：/clients/src/main/java/org/apache/kafka/common/record/PartialDefaultRecord.java

/*
 * 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.record;

import org.apache.kafka.common.header.Header;

import java.nio.ByteBuffer;

public class PartialDefaultRecord extends DefaultRecord {

    private final int keySize;
    private final int valueSize;

    PartialDefaultRecord(int sizeInBytes,
                         byte attributes,
                         long offset,
                         long timestamp,
                         int sequence,
                         int keySize,
                         int valueSize) {
        super(sizeInBytes, attributes, offset, timestamp, sequence, null, null, null);

        this.keySize = keySize;
        this.valueSize = valueSize;
    }

    @Override
    public boolean equals(Object o) {
        return super.equals(o) &&
            this.keySize == ((PartialDefaultRecord) o).keySize &&
            this.valueSize == ((PartialDefaultRecord) o).valueSize;
    }

    @Override
    public int hashCode() {
        int result = super.hashCode();
        result = 31 * result + keySize;
        result = 31 * result + valueSize;
        return result;
    }

    @Override
    public String toString() {
        return String.format("PartialDefaultRecord(offset=%d, timestamp=%d, key=%d bytes, value=%d bytes)",
            offset(),
            timestamp(),
            keySize,
            valueSize);
    }

    @Override
    public int keySize() {
        return keySize;
    }

    @Override
    public boolean hasKey() {
        return keySize >= 0;
    }

    @Override
    public ByteBuffer key() {
        throw new UnsupportedOperationException("key is skipped in PartialDefaultRecord");
    }

    @Override
    public int valueSize() {
        return valueSize;
    }

    @Override
    public boolean hasValue() {
        return valueSize >= 0;
    }

    @Override
    public ByteBuffer value() {
        throw new UnsupportedOperationException("value is skipped in PartialDefaultRecord");
    }

    @Override
    public Header[] headers() {
        throw new UnsupportedOperationException("headers is skipped in PartialDefaultRecord");
    }
}

相关信息

kafka 源码目录

相关文章

kafka AbstractLegacyRecordBatch 源码

kafka AbstractRecordBatch 源码

kafka AbstractRecords 源码

kafka BaseRecords 源码

kafka ByteBufferLogInputStream 源码

kafka CompressionRatioEstimator 源码

kafka CompressionType 源码

kafka ControlRecordType 源码

kafka ControlRecordUtils 源码

kafka ConvertedRecords 源码

0 赞

所属分类： 大数据
本文标签： 大数据
版权声明： 原创文章如转载，请注明本文链接: https://www.seaxiang.com/blog/f8b0c3f4bc204fc6ad52b854ecf6971f

热门推荐

1、直接访问google.com
2、 - 优质文章
3、 gate.io
4、 harmony 鸿蒙hdc使用指导
5、 harmony 鸿蒙初识ArkTS语言
6、 flink kafka connector scan.startup.mode 的几个选项
7、 harmony 鸿蒙ArkUI组件（ArkTS）开发常见问题
8、 golang
9、 openharmony
10、 Vue中input框自动聚焦

Loading...