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package cn.bootx.platform.starter.auth.redis;

import cn.dev33.satoken.dao.SaTokenDao;
import cn.dev33.satoken.util.SaFoxUtil;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;

import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import java.util.concurrent.TimeUnit;

/**
 * Sa-Token持久层接口实现
 *
 */
public class SaTokenDaoRedis implements SaTokenDao {

    /**
     * String专用
     */
    private StringRedisTemplate stringRedisTemplate;

    /**
     * Object专用
     */
    private RedisTemplate objectRedisTemplate;

    public void setStringRedisTemplate(StringRedisTemplate stringRedisTemplate) {
        this.stringRedisTemplate = stringRedisTemplate;
    }

    public RedisTemplate getObjectRedisTemplate() {
        return objectRedisTemplate;
    }

    public void setObjectRedisTemplate(RedisTemplate objectRedisTemplate) {
        this.objectRedisTemplate = objectRedisTemplate;
    }

    /**
     * 获取Value,如无返空
     */
    @Override
    public String get(String key) {
        return stringRedisTemplate.opsForValue().get(key);
    }

    /**
     * 写入Value,并设定存活时间 (单位: 秒)
     */
    @Override
    public void set(String key, String value, long timeout) {
        if (timeout == 0 || timeout <= SaTokenDao.NOT_VALUE_EXPIRE) {
            return;
        }
        // 判断是否为永不过期
        if (timeout == SaTokenDao.NEVER_EXPIRE) {
            stringRedisTemplate.opsForValue().set(key, value);
        }
        else {
            stringRedisTemplate.opsForValue().set(key, value, timeout, TimeUnit.SECONDS);
        }
    }

    /**
     * 修修改指定key-value键值对 (过期时间不变)
     */
    @Override
    public void update(String key, String value) {
        long expire = getTimeout(key);
        // -2 = 无此键
        if (expire == SaTokenDao.NOT_VALUE_EXPIRE) {
            return;
        }
        this.set(key, value, expire);
    }

    /**
     * 删除Value
     */
    @Override
    public void delete(String key) {
        stringRedisTemplate.delete(key);
    }

    /**
     * 获取Value的剩余存活时间 (单位: 秒)
     */
    @Override
    public long getTimeout(String key) {
        return stringRedisTemplate.getExpire(key);
    }

    /**
     * 修改Value的剩余存活时间 (单位: 秒)
     */
    @Override
    public void updateTimeout(String key, long timeout) {
        // 判断是否想要设置为永久
        if (timeout == SaTokenDao.NEVER_EXPIRE) {
            long expire = getTimeout(key);
            if (expire != SaTokenDao.NEVER_EXPIRE) {
                // 如果尚未被设置为永久,那么再次set一次
                this.set(key, this.get(key), timeout);
            } // 如果其已经被设置为永久,则不作任何处理

            return;
        }
        stringRedisTemplate.expire(key, timeout, TimeUnit.SECONDS);
    }

    /**
     * 获取Object,如无返空
     */
    @Override
    public Object getObject(String key) {
        return objectRedisTemplate.opsForValue().get(key);
    }

    /**
     * 写入Object,并设定存活时间 (单位: 秒)
     */
    @Override
    public void setObject(String key, Object object, long timeout) {
        if (timeout == 0 || timeout <= SaTokenDao.NOT_VALUE_EXPIRE) {
            return;
        }
        // 判断是否为永不过期
        if (timeout == SaTokenDao.NEVER_EXPIRE) {
            objectRedisTemplate.opsForValue().set(key, object);
        }
        else {
            objectRedisTemplate.opsForValue().set(key, object, timeout, TimeUnit.SECONDS);
        }
    }

    /**
     * 更新Object (过期时间不变)
     */
    @Override
    public void updateObject(String key, Object object) {
        long expire = getObjectTimeout(key);
        // -2 = 无此键
        if (expire == SaTokenDao.NOT_VALUE_EXPIRE) {
            return;
        }
        this.setObject(key, object, expire);
    }

    /**
     * 删除Object
     */
    @Override
    public void deleteObject(String key) {
        objectRedisTemplate.delete(key);
    }

    /**
     * 获取Object的剩余存活时间 (单位: 秒)
     */
    @Override
    public long getObjectTimeout(String key) {
        return objectRedisTemplate.getExpire(key);
    }

    /**
     * 修改Object的剩余存活时间 (单位: 秒)
     */
    @Override
    public void updateObjectTimeout(String key, long timeout) {
        // 判断是否想要设置为永久
        if (timeout == SaTokenDao.NEVER_EXPIRE) {
            long expire = getObjectTimeout(key);
            if (expire != SaTokenDao.NEVER_EXPIRE) {
                // 如果尚未被设置为永久,那么再次set一次 如果其已经被设置为永久,则不作任何处理
                this.setObject(key, this.getObject(key), timeout);
            }

            return;
        }
        objectRedisTemplate.expire(key, timeout, TimeUnit.SECONDS);
    }

    /**
     * 搜索数据
     */
    @Override
    public List searchData(String prefix, String keyword, int start, int size, boolean sortType) {
        Set keys = stringRedisTemplate.keys(prefix + "*" + keyword + "*");
        List list = new ArrayList<>(keys);
        return SaFoxUtil.searchList(list, start, size, sortType);
    }

}




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