這篇文章主要講解了“redis消息隊列的實現(xiàn)方法”，文中的講解內(nèi)容簡單清晰，易于學習與理解，下面請大家跟著小編的思路慢慢深入，一起來研究和學習“redis消息隊列的實現(xiàn)方法”吧！
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方式一：通過list的阻塞讀取命令，blpop或者brpop
消費者
重慶分公司
重慶分公司
public class Consumer extends DemoApplicationTests{
@Test
public void consume(){
int timeout = 0;//永不超時
String key = "test_que";
//list集合 第一個元素為key值，第二個元素為彈出的元素值;當超時返回[null]
while(true){
List生產(chǎn)者
public class Productor extends DemoApplicationTests {
@Test
public void generateMsg() {
String key = "test_que";
redisTemplate.opsForList().leftPush(key,"hht2");
}
}方式二：Pub/Sub（發(fā)布/訂閱）使用的 spring boot
依賴包
org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-data-redis org.springframework.boot spring-boot-starter-test test org.apache.commons commons-pool2
配置類
@Configuration
@AutoConfigureAfter(RedisAutoConfiguration.class)
@EnableCaching
public class RedisConfig extends CachingConfigurerSupport {
/**
* 配置自定義redisTemplate
* @return
*/
@Bean
RedisTemplate redisTemplate(RedisConnectionFactory redisConnectionFactory) {
RedisTemplate template = new RedisTemplate<>();
template.setConnectionFactory(redisConnectionFactory);
//使用Jackson2JsonRedisSerializer來序列化和反序列化redis的value值
Jackson2JsonRedisSerializer serializer = new Jackson2JsonRedisSerializer(Object.class);
ObjectMapper mapper = new ObjectMapper();
mapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
mapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
serializer.setObjectMapper(mapper);
template.setValueSerializer(serializer);
//使用StringRedisSerializer來序列化和反序列化redis的key值
template.setKeySerializer(new StringRedisSerializer());
template.setHashKeySerializer(new StringRedisSerializer());
template.setHashValueSerializer(serializer);
template.afterPropertiesSet();
return template;
}
/**
* 序列化定制
*
* @return
*/
@Bean
public Jackson2JsonRedisSerializer 模擬消息發(fā)布類
@Service
public class RedisPubSub {
private static final Logger logger = LoggerFactory.getLogger(RedisPubSub.class);
@Autowired
private RedisTemplate redisTemplate;
private ChannelTopic topic = new ChannelTopic("/redis/pubsub");
@Scheduled(initialDelay = 5000, fixedDelay = 10000)
private void schedule() {
logger.info("publish message");
publish("admin", "hey you must go now!");
}
/**
* 推送消息
*
* @param publisher
* @param message
*/
public void publish(String publisher, String content) {
logger.info("message send {} by {}", content, publisher);
redisTemplate.convertAndSend(topic.getTopic(), content);
}
} 模擬消息接收類
@Component
public class MessageSubscriber {
Logger logger = LoggerFactory.getLogger(MessageSubscriber.class);
public void onMessage(String message, String pattern) {
logger.info("topic {} received {} ", pattern, message);
}
}啟動類
@SpringBootApplication
@EnableScheduling
public class DemoApplication {
public static void main(String[] args) {
SpringApplication.run(DemoApplication.class, args);
}
}感謝各位的閱讀，以上就是“redis消息隊列的實現(xiàn)方法”的內(nèi)容了，經(jīng)過本文的學習后，相信大家對redis消息隊列的實現(xiàn)方法這一問題有了更深刻的體會，具體使用情況還需要大家實踐驗證。這里是創(chuàng)新互聯(lián)，小編將為大家推送更多相關(guān)知識點的文章，歡迎關(guān)注！
