47 lines
1.7 KiB
Java
47 lines
1.7 KiB
Java
package com.thinker.kafka.producer;
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import org.apache.kafka.clients.producer.*;
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import java.util.Properties;
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import java.util.concurrent.ExecutionException;
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/**
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* @author zeekling [lingzhaohui@zeekling.cn]
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* @version 1.0
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* @apiNote
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* @since 2020-05-17
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*/
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public class CustomProducerCallBack {
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public static void main(String[] args) throws ExecutionException, InterruptedException {
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Properties props = new Properties();
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props.put("bootstrap.servers", "localhost:9092");//kafka集群，broker-list
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props.put("acks", "all");
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props.put("retries", 1);//重试次数
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props.put("batch.size", 16384);//批次大小
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props.put("linger.ms", 1);//等待时间
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props.put("buffer.memory", 33554432);//RecordAccumulator缓冲区大小
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props.put("key.serializer", "org.apache.kafka.common.serialization.StringSerializer");
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props.put("value.serializer", "org.apache.kafka.common.serialization.StringSerializer");
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Producer<String, String> producer = new KafkaProducer<>(props);
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for (int i = 0; i < 100; i++) {
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producer.send(new ProducerRecord<String, String>("first", Integer.toString(i), Integer.toString(i)), new Callback() {
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//回调函数，该方法会在Producer收到ack时调用，为异步调用
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@Override
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public void onCompletion(RecordMetadata metadata, Exception exception) {
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if (exception == null) {
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System.out.println("success->" + metadata.offset());
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} else {
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exception.printStackTrace();
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}
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}
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});
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}
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producer.close();
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}
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}
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