package com.ruoyi.system.service.impl;
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import java.util.Comparator;
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import java.util.List;
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import java.util.Map;
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import java.util.stream.Collectors;
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import javax.annotation.PostConstruct;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import com.ruoyi.common.constant.UserConstants;
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import com.ruoyi.common.core.domain.entity.SysDictData;
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import com.ruoyi.common.core.domain.entity.SysDictType;
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import com.ruoyi.common.exception.ServiceException;
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import com.ruoyi.common.utils.DictUtils;
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import com.ruoyi.common.utils.StringUtils;
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import com.ruoyi.system.mapper.SysDictDataMapper;
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import com.ruoyi.system.mapper.SysDictTypeMapper;
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import com.ruoyi.system.service.ISysDictTypeService;
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/**
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* 字典 业务层处理
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*
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* @author ruoyi
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*/
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@Service
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public class SysDictTypeServiceImpl implements ISysDictTypeService
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{
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@Autowired
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private SysDictTypeMapper dictTypeMapper;
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@Autowired
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private SysDictDataMapper dictDataMapper;
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/**
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* 项目启动时，初始化字典到缓存
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*/
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@PostConstruct
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public void init()
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{
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loadingDictCache();
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}
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/**
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* 根据条件分页查询字典类型
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*
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* @param dictType 字典类型信息
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* @return 字典类型集合信息
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*/
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@Override
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public List<SysDictType> selectDictTypeList(SysDictType dictType)
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{
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return dictTypeMapper.selectDictTypeList(dictType);
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}
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/**
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* 根据所有字典类型
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*
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* @return 字典类型集合信息
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*/
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@Override
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public List<SysDictType> selectDictTypeAll()
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{
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return dictTypeMapper.selectDictTypeAll();
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}
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/**
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* 根据字典类型查询字典数据
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*
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* @param dictType 字典类型
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* @return 字典数据集合信息
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*/
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@Override
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public List<SysDictData> selectDictDataByType(String dictType)
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{
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List<SysDictData> dictDatas = DictUtils.getDictCache(dictType);
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if (StringUtils.isNotEmpty(dictDatas))
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{
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return dictDatas;
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}
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dictDatas = dictDataMapper.selectDictDataByType(dictType);
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if (StringUtils.isNotEmpty(dictDatas))
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{
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DictUtils.setDictCache(dictType, dictDatas);
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return dictDatas;
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}
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return null;
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}
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/**
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* 根据字典类型ID查询信息
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*
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* @param dictId 字典类型ID
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* @return 字典类型
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*/
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@Override
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public SysDictType selectDictTypeById(Long dictId)
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{
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return dictTypeMapper.selectDictTypeById(dictId);
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}
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/**
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* 根据字典类型查询信息
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*
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* @param dictType 字典类型
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* @return 字典类型
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*/
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@Override
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public SysDictType selectDictTypeByType(String dictType)
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{
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return dictTypeMapper.selectDictTypeByType(dictType);
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}
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/**
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* 批量删除字典类型信息
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*
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* @param dictIds 需要删除的字典ID
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*/
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@Override
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public void deleteDictTypeByIds(Long[] dictIds)
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{
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for (Long dictId : dictIds)
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{
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SysDictType dictType = selectDictTypeById(dictId);
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if (dictDataMapper.countDictDataByType(dictType.getDictType()) > 0)
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{
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throw new ServiceException(String.format("%1$s已分配,不能删除", dictType.getDictName()));
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}
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dictTypeMapper.deleteDictTypeById(dictId);
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DictUtils.removeDictCache(dictType.getDictType());
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}
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}
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/**
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* 加载字典缓存数据
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*/
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@Override
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public void loadingDictCache()
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{
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SysDictData dictData = new SysDictData();
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dictData.setStatus("0");
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Map<String, List<SysDictData>> dictDataMap = dictDataMapper.selectDictDataList(dictData).stream().collect(Collectors.groupingBy(SysDictData::getDictType));
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for (Map.Entry<String, List<SysDictData>> entry : dictDataMap.entrySet())
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{
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DictUtils.setDictCache(entry.getKey(), entry.getValue().stream().sorted(Comparator.comparing(SysDictData::getDictSort)).collect(Collectors.toList()));
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}
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}
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/**
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* 清空字典缓存数据
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*/
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@Override
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public void clearDictCache()
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{
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DictUtils.clearDictCache();
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}
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/**
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* 重置字典缓存数据
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*/
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@Override
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public void resetDictCache()
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{
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clearDictCache();
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loadingDictCache();
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}
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/**
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* 新增保存字典类型信息
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*
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* @param dict 字典类型信息
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* @return 结果
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*/
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@Override
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public int insertDictType(SysDictType dict)
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{
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int row = dictTypeMapper.insertDictType(dict);
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if (row > 0)
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{
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DictUtils.setDictCache(dict.getDictType(), null);
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}
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return row;
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}
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/**
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* 修改保存字典类型信息
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*
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* @param dict 字典类型信息
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* @return 结果
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*/
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@Override
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@Transactional
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public int updateDictType(SysDictType dict)
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{
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SysDictType oldDict = dictTypeMapper.selectDictTypeById(dict.getDictId());
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dictDataMapper.updateDictDataType(oldDict.getDictType(), dict.getDictType());
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int row = dictTypeMapper.updateDictType(dict);
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if (row > 0)
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{
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List<SysDictData> dictDatas = dictDataMapper.selectDictDataByType(dict.getDictType());
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DictUtils.setDictCache(dict.getDictType(), dictDatas);
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}
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return row;
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}
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/**
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* 校验字典类型称是否唯一
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*
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* @param dict 字典类型
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* @return 结果
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*/
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@Override
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public String checkDictTypeUnique(SysDictType dict)
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{
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Long dictId = StringUtils.isNull(dict.getDictId()) ? -1L : dict.getDictId();
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SysDictType dictType = dictTypeMapper.checkDictTypeUnique(dict.getDictType());
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if (StringUtils.isNotNull(dictType) && dictType.getDictId().longValue() != dictId.longValue())
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{
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return UserConstants.NOT_UNIQUE;
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}
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return UserConstants.UNIQUE;
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}
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}
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