package cn.iocoder.yudao.module.iot.dal.redis.device;
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import cn.hutool.core.date.LocalDateTimeUtil;
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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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import java.time.LocalDateTime;
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import java.util.Set;
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import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertSet;
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/**
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* 设备的最后上报时间的 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 DeviceReportTimeRedisDAO {
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@Resource
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private StringRedisTemplate stringRedisTemplate;
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public void update(Long deviceId, LocalDateTime reportTime) {
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stringRedisTemplate.opsForZSet().add(RedisKeyConstants.DEVICE_REPORT_TIMES, String.valueOf(deviceId),
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LocalDateTimeUtil.toEpochMilli(reportTime));
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}
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public Set<Long> range(LocalDateTime maxReportTime) {
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Set<String> values = stringRedisTemplate.opsForZSet().rangeByScore(RedisKeyConstants.DEVICE_REPORT_TIMES,
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0, LocalDateTimeUtil.toEpochMilli(maxReportTime));
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return convertSet(values, Long::parseLong);
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}
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}
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