package cn.flightfeather.supervision.domain.ds1.repository
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import cn.flightfeather.supervision.domain.ds1.entity.City
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import cn.flightfeather.supervision.domain.ds1.entity.District
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import cn.flightfeather.supervision.domain.ds1.entity.Province
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import cn.flightfeather.supervision.domain.ds1.entity.Town
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import cn.flightfeather.supervision.domain.ds1.mapper.CityMapper
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import cn.flightfeather.supervision.domain.ds1.mapper.DistrictMapper
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import cn.flightfeather.supervision.domain.ds1.mapper.ProvinceMapper
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import cn.flightfeather.supervision.domain.ds1.mapper.TownMapper
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import org.springframework.stereotype.Repository
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/**
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* 地域信息相关数据库操作
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*/
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@Repository
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class RegionRep(
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private val provinceMapper: ProvinceMapper,
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private val cityMapper: CityMapper,
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private val districtMapper: DistrictMapper,
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private val townMapper: TownMapper,
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) {
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private val cacheMap = mutableMapOf<String, Any?>()
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private fun<T : Any?> findCache(key: String?, findDb: () -> T?): T? {
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key ?: return null
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val s = cacheMap[key]
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return if (s == null) {
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val value = findDb()
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cacheMap[key] = value
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value
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} else {
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try {
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s as T
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} catch (e: Exception) {
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null
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}
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}
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}
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fun findProvince(name: String?): Province? {
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return findCache(name) {
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provinceMapper.selectOne(Province().apply { provincename = name })
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}
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}
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fun findCity(name: String?): City? {
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return findCache(name) {
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cityMapper.selectOne(City().apply { cityname = name })
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}
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}
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fun findDistrict(name: String?): District? {
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return findCache(name) {
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districtMapper.selectOne(District().apply { districtname = name })
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}
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}
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fun findTown(name: String?): Town? {
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return findCache(name) {
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townMapper.selectOne(Town().apply { townname = name })
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}
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}
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}
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