package cn.iocoder.yudao.module.iot.dal.redis.device;
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import cn.iocoder.yudao.module.iot.dal.redis.RedisKeyConstants;
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import jakarta.annotation.Resource;
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import org.springframework.data.redis.core.StringRedisTemplate;
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import org.springframework.stereotype.Repository;
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/**
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* 设备关联的网关 serverId 的 Redis DAO
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*
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* @author 芋道源码
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*/
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@Repository
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public class DeviceServerIdRedisDAO {
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@Resource
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private StringRedisTemplate stringRedisTemplate;
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public void update(Long deviceId, String serverId) {
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stringRedisTemplate.opsForHash().put(RedisKeyConstants.DEVICE_SERVER_ID,
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String.valueOf(deviceId), serverId);
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}
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public String get(Long deviceId) {
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Object value = stringRedisTemplate.opsForHash().get(RedisKeyConstants.DEVICE_SERVER_ID,
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String.valueOf(deviceId));
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return value != null ? (String) value : null;
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}
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}
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