package cn.learn.rocketmq.sendmsg;
import org.apache.rocketmq.client.producer.DefaultMQProducer;
import org.apache.rocketmq.client.producer.SendCallback;
import org.apache.rocketmq.client.producer.SendResult;
import org.apache.rocketmq.common.message.Message;
public class AsyncProducer {
public static void main(String[] args) throws Exception {
DefaultMQProducer producer = new DefaultMQProducer("learn");
producer.setNamesrvAddr("localhost:9876");
producer.start();
// 发送消息
String msg = "我的第一个异步发送消息!";
Message message = new Message("my-topic", msg.getBytes("UTF-8"));
producer.send(message, new SendCallback() {
public void onSuccess(SendResult sendResult) {
System.out.println("发送成功了!" + sendResult);
System.out.println("消息id:" + sendResult.getMsgId());
System.out.println("消息队列:" + sendResult.getMessageQueue());
System.out.println("消息offset值:" + sendResult.getQueueOffset());
}
public void onException(Throwable e) {
System.out.println("消息发送失败!" + e);
}
});
// producer.shutdown();
}
}
发送成功了!SendResult [sendStatus=SEND_OK, msgId=C0A80106D3A418B4AAC299BE52430000, offsetMsgId=3B6E8A9100002A9F00000000000000B9, messageQueue=MessageQueue [topic=my-topic, brokerName=broker_learn_im, queueId=5], queueOffset=0]
消息id:C0A80106D3A418B4AAC299BE52430000
消息队列:MessageQueue [topic=my-topic, brokerName=broker_learn_im, queueId=5]
消息offset值:0