【RocketMQ】发送批量消息

producer.send()方法支持Collection<Message>类型的参数

import org.apache.rocketmq.client.exception.MQBrokerException;
import org.apache.rocketmq.client.exception.MQClientException;
import org.apache.rocketmq.client.producer.DefaultMQProducer;
import org.apache.rocketmq.client.producer.SendResult;
import org.apache.rocketmq.common.message.Message;
import org.apache.rocketmq.remoting.exception.RemotingException;
import java.util.ArrayList;
import java.util.List;

/**
 * 发送批量消息
 */
public class Producer {

    public static void main(String[] args) throws MQClientException, RemotingException, InterruptedException, MQBrokerException {
        DefaultMQProducer producer = new DefaultMQProducer("batchGroup");
        producer.setNamesrvAddr("192.168.197.126:9876;192.168.197.123:9876");
        producer.start();

        List<Message> messages = new ArrayList<>();
        for (int i = 0; i < 10; i++) {
            Message message = new Message("batchTopic","tag",("batchMessage"+i).getBytes());
            messages.add(message);
        }
        //发送批量消息
        SendResult sendResult = producer.send(messages);
        System.out.println(sendResult);
        producer.shutdown();
    }
}