import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.listener.PatternTopic;
import org.springframework.data.redis.listener.RedisMessageListenerContainer;
import org.springframework.data.redis.listener.adapter.MessageListenerAdapter;
@Configuration
public class RedisListenerConfig {
/**
* redis消息监听器容器
* 可以添加多个监听不同话题的redis监听器,只需要把消息监听器和相应的消息订阅处理器绑定,该消息监听器
* 通过反射技术调用消息订阅处理器的相关方法进行一些业务处理
* @param connectionFactory
* @param listenerAdapter
* @return
*/
@Bean
RedisMessageListenerContainer container(RedisConnectionFactory connectionFactory,
MessageListenerAdapter listenerAdapter) {
RedisMessageListenerContainer container = new RedisMessageListenerContainer();
container.setConnectionFactory(connectionFactory);
//可以添加多个 messageListener
container.addMessageListener(listenerAdapter, new PatternTopic("index"));
return container;
}
/**
* 消息监听器适配器,绑定消息处理器,利用反射技术调用消息处理器的业务方法
* @param redisReceiver
* @return
*/
@Bean
MessageListenerAdapter listenerAdapter(RedisReceiver redisReceiver) {
System.out.println("消息适配器进来了");
return new MessageListenerAdapter(redisReceiver, "receiveMessage");
}
/**使用默认的工厂初始化redis操作模板*/
@Bean
StringRedisTemplate template(RedisConnectionFactory connectionFactory) {
return new StringRedisTemplate(connectionFactory);
}
}
import org.springframework.stereotype.Service;
@Service
public class RedisReceiver {
public void receiveMessage(String message) {
System.out.println("消息来了:"+new String(message.getBytes()));
}
}
@RestController
public class IndexController {
@Autowired
private StringRedisTemplate stringRedisTemplate;
@GetMapping(value = "/index")
public String index(){
for(int i =0;i<10;i++){
stringRedisTemplate.convertAndSend("index","test");
}
return "index";
}