/**
 * @author BNTang
 */
@Configuration
public class RoutingTopicConfig {

    /**
     * 声明交换机
     *
     * @return 交换机
     */
    @Bean
    public TopicExchange topicExchange() {
        return new TopicExchange("topics");
    }

    /**
     * 声明队列1 绑定info和warm
     *
     * @return 队列1
     */
    @Bean
    public Queue topicQueue1() {
        return new Queue("topicQueue1");
    }

    /**
     * 声明队列2
     *
     * @return 队列2
     */
    @Bean
    public Queue topicQueue2() {
        return new Queue("topicQueue2");
    }

    /**
     * 把队列1 绑定到交换机里面指定user.*的路由key
     *
     * @return 绑定之后的一个关系
     */
    @Bean
    public Binding binding1() {
        return BindingBuilder.bind(topicQueue1()).to(topicExchange()).with("user.*");
    }

    /**
     * 把队列2 绑定到交换机里面指定user.#的路由key
     *
     * @return 绑定之后的一个关系
     */
    @Bean
    public Binding binding2() {
        return BindingBuilder.bind(topicQueue2()).to(topicExchange()).with("user.#");
    }
}

@Test
public void testTopic() {
    this.rabbitTemplate.convertAndSend("topics", "user.save", "user.save 的消息");
    this.rabbitTemplate.convertAndSend("topics", "user.save.findAll", "user.save.findAll 的消息");
    this.rabbitTemplate.convertAndSend("topics", "user", "user 的消息");
}

/**
 * @author BNTang
 */
@Component
public class RoutingTopicConsumer {

    @RabbitListener(bindings = {
            @QueueBinding(
                    value = @Queue("topicQueue1"),
                    key = {"user.*"},
                    exchange = @Exchange(name = "topics", type = ExchangeTypes.TOPIC)
            )
    })
    public void receive1(String message) {
        System.out.println("消费者【1】接收到【user.*】消息：" + message);
    }

    @RabbitListener(bindings = {
            @QueueBinding(
                    value = @Queue("topicQueue2"),
                    key = {"user.#"},
                    exchange = @Exchange(name = "topics", type = ExchangeTypes.TOPIC)
            )
    })
    public void receive2(String message) {
        System.out.println("消费者【2】接收到【user.#】消息：" + message);
    }

}