| 提交 | 用户 | 时间 | ||
| 48c57b | 1 | package com.iailab.module.model.mcs.pre.service.impl; |
| L | 2 | |
| 3 | import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; | |
| 4 | import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; | |
| 5 | import com.iailab.module.model.mcs.pre.dao.MmSequenceNumDao; | |
| 6 | import com.iailab.module.model.mcs.pre.entity.MmSequenceNumEntity; | |
| 7 | import com.iailab.module.model.mcs.pre.service.MmSequenceNumService; | |
| 8 | import org.springframework.beans.factory.annotation.Autowired; | |
| 9 | import org.springframework.stereotype.Service; | |
| 10 | ||
| 11 | /** | |
| 12 | * @author PanZhibao | |
| 13 | * @date 2021年05月06日 13:20 | |
| 14 | */ | |
| 15 | @Service | |
| 16 | public class MmSequenceNumServiceImpl extends ServiceImpl<MmSequenceNumDao, MmSequenceNumEntity> implements MmSequenceNumService { | |
| 17 | ||
| 18 | @Autowired | |
| 19 | private MmSequenceNumDao mmSequenceNumDao; | |
| 20 | ||
| 21 | @Override | |
| 22 | public synchronized MmSequenceNumEntity getAndIncreaseByCode (String code) { | |
| 23 | QueryWrapper queryWrapper = new QueryWrapper<MmSequenceNumEntity>(); | |
| 24 | queryWrapper.eq("code", code); | |
| 25 | MmSequenceNumEntity mmSequenceNumEntity = mmSequenceNumDao.selectOne(queryWrapper); | |
| 26 | ||
| 27 | MmSequenceNumEntity mmSequenceNumUpdate = new MmSequenceNumEntity(); | |
| 28 | mmSequenceNumUpdate.setId(mmSequenceNumEntity.getId()); | |
| 29 | mmSequenceNumUpdate.setSequenceNum(mmSequenceNumEntity.getSequenceNum() + 1); | |
| 30 | mmSequenceNumDao.updateById(mmSequenceNumUpdate); | |
| 31 | return mmSequenceNumEntity; | |
| 32 | } | |
| 33 | } | |
