gistfile1.txt

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.Cache;
import org.springframework.cache.CacheManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.event.EventListener;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.listener.PatternTopic;
import org.springframework.data.redis.listener.RedisMessageListenerContainer;
import org.springframework.data.redis.listener.adapter.MessageListenerAdapter;
import org.springframework.stereotype.Component;

import java.util.concurrent.Executors;

@Configuration
public class RedisPubSubConfig {

    private static final Logger LOG = LoggerFactory.getLogger(RedisPubSubConfig.class);

    @Autowired
    private CacheManager cacheManager;

    @Bean
    public RedisMessageListenerContainer container(RedisConnectionFactory connectionFactory, MessageListenerAdapter listenerAdapter) {
        RedisMessageListenerContainer container = new RedisMessageListenerContainer();
        container.setConnectionFactory(connectionFactory);
        container.setSubscriptionExecutor(Executors.newVirtualThreadPerTaskExecutor());
        container.setTaskExecutor(Executors.newVirtualThreadPerTaskExecutor());
        container.addMessageListener(listenerAdapter, new PatternTopic("my-channel:*"));
        return container;
    }

    @Bean
    public MessageListenerAdapter listenerAdapter(MessageSubscriber subscriber) {
        return new MessageListenerAdapter(subscriber, "handleMessage");
    }

    @Component
    public static class MessageSubscriber {

        private final CacheManager cacheManager;

        public MessageSubscriber(CacheManager cacheManager) {
            this.cacheManager = cacheManager;
        }

        @EventListener
        public void handleMessage(String message) {
            Cache sefaz = cacheManager.getCache("app");
            sefaz.evictIfPresent("test");
            LOG.info("Received: {}", message);
        }
    }
}