package com.hx.redisson.templates.manager;

import org.springframework.data.redis.core.RedisTemplate;

import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

/**
 * redis管理
 *
 * @author CJH
 * @date  2022-06-27
 */
public class RedisManager {

    private Map<String, RedisTemplate> redisTemplateMap = new ConcurrentHashMap<>();

    /**
     * 构造方法初始化 redisTemplateMap 的数据
     *
     * @param redisTemplateMap
     */
    public RedisManager(Map<String, RedisTemplate> redisTemplateMap) {
        this.redisTemplateMap = redisTemplateMap;
    }

    /**
     * 根据数据库序号，返回对应的RedisTemplate
     *
     * @param dbIndex 序号
     * @return {@link RedisTemplate}
     */
    public RedisTemplate getRedisTemplate(Integer dbIndex) {
        RedisTemplate redisTemplate = redisTemplateMap.get("redisTemplate" + dbIndex);
        if (redisTemplate == null) {
            throw new RuntimeException("Map不存在该redisTemplate");
        }
        return redisTemplate;
    }

}