90 lines
4.1 KiB
Java
90 lines
4.1 KiB
Java
import org.apache.rocketmq.client.consumer.DefaultMQPushConsumer;
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import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyContext;
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import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyStatus;
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import org.apache.rocketmq.client.consumer.listener.MessageListenerConcurrently;
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import org.apache.rocketmq.client.exception.MQBrokerException;
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import org.apache.rocketmq.common.message.Message;
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import com.fuint.fuintApplication;
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import org.apache.rocketmq.client.exception.MQClientException;
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import org.apache.rocketmq.client.producer.DefaultMQProducer;
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import org.apache.rocketmq.client.producer.SendResult;
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import org.apache.rocketmq.common.message.MessageExt;
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import org.apache.rocketmq.remoting.exception.RemotingException;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.springframework.boot.test.context.SpringBootTest;
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import org.springframework.test.context.ContextConfiguration;
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import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
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import org.springframework.transaction.annotation.Transactional;
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import java.io.UnsupportedEncodingException;
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import java.util.List;
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@RunWith(SpringJUnit4ClassRunner.class)
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//@RunWith(SpringRunner.class)
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@SpringBootTest(classes = fuintApplication.class)
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@Transactional
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public class UserSeriviceTest {
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@Test
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public void test() throws MQClientException, UnsupportedEncodingException, MQBrokerException, RemotingException, InterruptedException {
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//1.创建一个发送消息的对象Producer，指定分组（生产者分组） 等会讲
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DefaultMQProducer producer = new DefaultMQProducer("group1");
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//2.设定发送的命名服务器地址，连接上ns之后，才能拿到broker地址，发送消息
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producer.setNamesrvAddr("39.104.58.101:9876");
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//3.1启动发送的服务
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producer.start();
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//4.创建要发送的消息对象,指定topic，指定内容body
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Message msg = new Message("topic1","hello rocketmq".getBytes("UTF-8"));
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//3.2发送消息。这里是同步请求，如果broker没有给出响应，就拿不到返回值并且卡死在当前行代码
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SendResult result = producer.send(msg);
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System.out.println("返回结果："+result);
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//5.关闭连接
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// producer.shutdown();
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}
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@Test
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public void consumer() throws MQClientException {
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//1.创建一个接收消息的对象Consumer
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DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("group1");
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//2.设定接收的命名服务器地址
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consumer.setNamesrvAddr("39.104.58.101:9876");
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//3.设置接收消息对应的topic,对应的sub标签为任意*
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// 如果想接收之前topic1的生产者发送的消息，这里的就要订阅相同的topic才可以
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try {
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consumer.subscribe("topic1", "*");
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} catch (MQClientException e) {
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e.printStackTrace();
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}
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//4.开启监听，用于接收消息
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consumer.registerMessageListener(new MessageListenerConcurrently() {
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/**
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* 设置好监听之后，只要有消息出现，就会调用 consumeMessage方法
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* @param list 所有的消息都会存入该集合，供消费者消费
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* @param consumeConcurrentlyContext 同时并行消费(多线程)的上下文
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* @return
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*/
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@Override
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public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> list, ConsumeConcurrentlyContext consumeConcurrentlyContext) {
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//遍历消息
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for (MessageExt msg : list) {
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// System.out.println("收到消息："+msg);
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System.out.println("消息：" + new String(msg.getBody()));
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}
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return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
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}
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});
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//5.启动接收消息的服务
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consumer.start();
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System.out.println("接收消息服务已开启运行");
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// 不能关闭消费者端服务器，因为对broker中topic设置了监听；
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// 该topic中只要有了新消息，就要通知消费者消费
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// consumer.shutdown();
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}
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}
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