SpringBoot整合ArtemisMQ笔记

超、凢脫俗 2024-03-24 18:17 44阅读 0赞

## SpringBoot整合ArtemisMQ笔记 ##

本案例是springboot2.4.2整合Apache ArtemisMQ,
    发送jms信息和订阅jms消息的代码示例

### pom配置 ###

<dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-artemis</artifactId>
                <version>2.4.2</version>
            </dependency>

### application.yml配置 ###

spring:
      artemis:
        mode: native
        host: localhost
        port: 61616
        user: admin
        password: admin

### 配置使用EnableJms注解 ###

@EnableScheduling
    @EnableJms
    @SpringBootApplication
    public class App {
        
       public static void main(String[] args) {
        
            SpringApplication.run(App.class, args);
        }
    }

### 发送jms消息 ###

package cn.demo.jms.send;
    
    import cn.demo.IdGenerator;
    import cn.demo.TestObj;
    import cn.hutool.core.util.IdUtil;
    import lombok.extern.slf4j.Slf4j;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.jms.core.JmsTemplate;
    import org.springframework.stereotype.Component;
    
    import java.util.HashMap;
    import java.util.Map;
    
    /**
     * jms 发送消息类型
     * TextMessage  字符串消息
     * ObjectMessage  对象消息
     * MapMessage  键值对消息
     * BytesMessage  字节流 消息
     * 
     */
    @Component
    @Slf4j
    public class JmsSendTxtSchedule {
        
    
        @Autowired
        private JmsTemplate jmsTemplate;
        @Autowired
        private IdGenerator idGenerator;
    
    
        @Scheduled(cron = "*/1 * * * * ?")
        public void t1(){
        
            //发送 字符串消息
            String msg = IdUtil.fastSimpleUUID()+":"+System.currentTimeMillis();
            log.info("t1 pre send msg:{}",msg);
            jmsTemplate.convertAndSend("queue.sample",msg);
    
        }
    
        @Scheduled(cron = "*/1 * * * * ?")
        public void t2(){
        
            //发送 对象消息
            TestObj obj = new TestObj();
            obj.setId(idGenerator.snowflakeId());
            obj.setTs(System.currentTimeMillis());
            obj.setK1(IdUtil.fastSimpleUUID());
            obj.setK2("t2send");
            log.info("t2 pre send msg:{}",obj.toString());
            jmsTemplate.convertAndSend("queue.testobj",obj);
        }
    
        @Scheduled(cron = "*/3 * * * * ?")
        public void  t3(){
        
    	    //发送 Map键值对消息
            Map<String,Object> msg = new HashMap<>();
            msg.put("k1","t3");
            msg.put("k2",System.currentTimeMillis());
            jmsTemplate.convertAndSend("queue.testmap",msg);
        }
    
        @Scheduled(cron = "*/2 * * * * ?")
        public void t4(){
        
            String str = "t4 --- this is a test msg"+System.currentTimeMillis();
            byte[] bytes = str.getBytes();
            //发送 字节流byte[] 消息
            jmsTemplate.convertAndSend("queue.testbytes",bytes);
    
        }
    
    }

### 订阅jms消息 ###

@Slf4j
    @Component
    public class SubQueue {
        
    
        @JmsListener(destination = "queue.testbytes")
        public void handleBytes(BytesMessage bytesMessage) throws JMSException {
        
            byte[] b = new byte[1024];
            int len = -1;
            while ((len = bytesMessage.readBytes(b)) != -1) {
        
                String s = new String(b, 0, len);
                log.info("订阅到的1024字节的字符串:{}",s);
            }
        }
    
    
        @JmsListener(destination = "queue.testmap")
        public void handleMap(MapMessage map) {
        
            try {
        
                String k1 = map.getString("k1");
                long k2 = map.getLong("k2");
                log.info("监听到queue.testmap里的键值对k1:{}", k1);
                log.info("监听到queue.testmap里的键值对k2:{}", k2);
            } catch (JMSException e) {
        
                e.printStackTrace();
            }
        }
    
        @JmsListener(destination = "queue.sample")
        public void handleMessage(TextMessage message) {
        
            try {
        
                String text = message.getText();
                log.info("监听到queue.sample里的信息:{}", text);
    
            } catch (JMSException e) {
        
                e.printStackTrace();
            }
        }
    
        @JmsListener(destination = "queue.testobj")
        public void handleObjMsg(ObjectMessage message) {
        
            try {
        
                TestObj object = (TestObj) message.getObject();
                log.info("监听到queue.testobj里的信息:{}", object);
            } catch (JMSException e) {
        
                e.printStackTrace();
                log.error("ObjectMessage转换失败!", e);
            }
        }
    
    }