RabbitMq (three): SpringBoot introduced RabbitMq

Amqp starter introduced under item 1. springBoot

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-amqp</artifactId>
        </dependency>

amqp-starter will be introduced below the jar package

[INFO] \- org.springframework.boot:spring-boot-starter-amqp:jar:2.1.5.RELEASE:compile
[INFO]    +- org.springframework:spring-messaging:jar:5.1.7.RELEASE:compile
[INFO]    \- org.springframework.amqp:spring-rabbit:jar:2.1.6.RELEASE:compile
[INFO]       +- org.springframework.amqp:spring-amqp:jar:2.1.6.RELEASE:compile
[INFO]       |  \- org.springframework.retry:spring-retry:jar:1.2.4.RELEASE:compile
[INFO]       +- com.rabbitmq:amqp-client:jar:5.4.3:compile
[INFO]       |  \- org.slf4j:slf4j-api:jar:1.7.26:compile
[INFO]       \- org.springframework:spring-tx:jar:5.1.7.RELEASE:compile

Configuration rabbitMQ attributes 2. springBoot profile

spring.rabbitmq.host=127.0.0.1
spring.rabbitmq.port=5672
spring.rabbitmq.username=guest
spring.rabbitmq.password=guest

3. Create Queue and injected into the spring container

@Configuration
public class QueueConfig {
    @Bean
    public Queue queue() {
        return new Queue("test_queue");
    }
}

4. Sender sends data to the Queue

@Component
public class Sender {
    @Autowired
    private AmqpTemplate template;
    public void send(String message) {
        template.convertAndSend("test_queue",message);
    }
}

Wherein AmqpTemplate SpringBoot is generated default implementation used can be introduced directly inside the code.

5. Receiver consumption data in the Queue

@Component
@RabbitListener(queues = "test_queue")
public class Receiver {
    Logger logger = LoggerFactory.getLogger(Receiver.class.getName());
    @RabbitHandler
    public void process(String message) {
        logger.info(message);
    }
}

Add listener Queue, the message is received and processed. Note, receiver to be poured into the container (@Component) to listen to the message.

Direct use of the above ways to use queue. Then use the Topic, Fanout ...

Reproduced in: https: //www.jianshu.com/p/9cf3e883b4c0