package com.moral.api.service.impl;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.moral.api.entity.Sensor;
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import com.moral.api.mapper.SensorMapper;
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import com.moral.api.service.SensorService;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.moral.constant.Constants;
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import com.moral.constant.RedisConstants;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.data.redis.core.RedisTemplate;
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import org.springframework.stereotype.Service;
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/**
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* <p>
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* 服务实现类
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* </p>
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*
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* @author moral
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* @since 2021-06-28
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*/
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@Service
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public class SensorServiceImpl extends ServiceImpl<SensorMapper, Sensor> implements SensorService {
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@Autowired
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SensorMapper sensorMapper;
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@Autowired
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RedisTemplate redisTemplate;
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@Override
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public Sensor getSensorByCode(String code) {
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Sensor sensor = (Sensor) redisTemplate.opsForHash().get(RedisConstants.SENSOR_KEY, code);
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if(sensor==null)
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sensor = getSensorByCodeFromDb(code);
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return sensor;
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}
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private Sensor getSensorByCodeFromDb(String code) {
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QueryWrapper<Sensor> wrapper = new QueryWrapper<>();
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wrapper.eq("code",code);
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wrapper.eq("is_delete", Constants.NOT_DELETE);
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Sensor sensor = sensorMapper.selectOne(wrapper);
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redisTemplate.opsForHash().put(RedisConstants.SENSOR_KEY, code,sensor);
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return sensor;
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}
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}
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