OpenIsle/backend/src/main/java/com/openisle/config/RedisConnectionLogger.java

package com.openisle.config;

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
import org.springframework.stereotype.Component;

/**
 * Logs a message when a Redis connection is successfully established.
 */
@Component
@Slf4j
public class RedisConnectionLogger implements InitializingBean {

    private final RedisConnectionFactory connectionFactory;

    public RedisConnectionLogger(RedisConnectionFactory connectionFactory) {
        this.connectionFactory = connectionFactory;
    }

    @Override
    public void afterPropertiesSet() {
        try (var connection = connectionFactory.getConnection()) {
            connection.ping();
            if (connectionFactory instanceof LettuceConnectionFactory lettuce) {
                log.info("Redis connection established at {}:{}", lettuce.getHostName(), lettuce.getPort());
            } else {
                log.info("Redis connection established");
            }
        } catch (Exception e) {
            log.error("Failed to connect to Redis", e);
        }
    }
}