package com.iailab.module.model.mcs.pre.service.impl; import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; import com.iailab.module.model.mcs.pre.dao.MmSequenceNumDao; import com.iailab.module.model.mcs.pre.entity.MmSequenceNumEntity; import com.iailab.module.model.mcs.pre.service.MmSequenceNumService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; /** * @author PanZhibao * @date 2021年05月06日 13:20 */ @Service public class MmSequenceNumServiceImpl extends ServiceImpl implements MmSequenceNumService { @Autowired private MmSequenceNumDao mmSequenceNumDao; @Override public synchronized MmSequenceNumEntity getAndIncreaseByCode (String code) { QueryWrapper queryWrapper = new QueryWrapper(); queryWrapper.eq("code", code); MmSequenceNumEntity mmSequenceNumEntity = mmSequenceNumDao.selectOne(queryWrapper); MmSequenceNumEntity mmSequenceNumUpdate = new MmSequenceNumEntity(); mmSequenceNumUpdate.setId(mmSequenceNumEntity.getId()); mmSequenceNumUpdate.setSequenceNum(mmSequenceNumEntity.getSequenceNum() + 1); mmSequenceNumDao.updateById(mmSequenceNumUpdate); return mmSequenceNumEntity; } }