/** * MIT License * Copyright (c) 2018 yadong.zhang * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package com.zyd.blog.business.service.impl; import com.github.pagehelper.PageHelper; import com.github.pagehelper.PageInfo; import com.zyd.blog.business.annotation.RedisCache; import com.zyd.blog.business.entity.Tags; import com.zyd.blog.business.service.BizTagsService; import com.zyd.blog.business.vo.TagsConditionVO; import com.zyd.blog.persistence.beans.BizTags; import com.zyd.blog.persistence.mapper.BizTagsMapper; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; import org.springframework.util.Assert; import org.springframework.util.CollectionUtils; import java.util.ArrayList; import java.util.Date; import java.util.List; /** * 标签 * * @author yadong.zhang (yadong.zhang0415(a)gmail.com) * @version 1.0 * @website https://www.zhyd.me * @date 2018/4/16 16:26 * @since 1.0 */ @Service public class BizTagsServiceImpl implements BizTagsService{ @Autowired private BizTagsMapper bizTagsMapper; /** * 分页查询 * * @param vo * @return */ @Override public PageInfofindPageBreakByCondition(TagsConditionVO vo){ PageHelper.startPage(vo.getPageNumber(),vo.getPageSize()); Listlist=bizTagsMapper.findPageBreakByCondition(vo); if (CollectionUtils.isEmpty(list)) { return null; } List boList = new ArrayList<>(); for(BizTags bizTags : list){ boList.add(new Tags(bizTags)); } PageInfo bean = new PageInfo(list); bean.setList(boList); return bean; } /** * 保存一个实体,null的属性不会保存,会使用数据库默认值 * * @param entity * @return */ @Override @Transactional(rollbackFor = Exception.class) @RedisCache(flush = true) public Tags insert(Tags entity){ Assert.notNull(entity, "Tags不可为空!"); entity.setUpdateTime(new Date()); entity.setCreateTime(new Date()); bizTagsMapper.insertSelective(entity.getBizTags()); return entity; } /** * 批量插入,支持批量插入的数据库可以使用,例如MySQL,H2等,另外该接口限制实体包含id属性并且必须为自增列 * * @param entities */ @Override @RedisCache(flush = true) public void insertList(List entities){ Assert.notNull(entities, "Tagss不可为空!"); List list = new ArrayList<>(); for (Tags entity : entities) { entity.setUpdateTime(new Date()); entity.setCreateTime(new Date()); list.add(entity.getBizTags()); } bizTagsMapper.insertList(list); } /** * 根据主键字段进行删除,方法参数必须包含完整的主键属性 * * @param primaryKey * @return */ @Override @Transactional(rollbackFor = Exception.class) @RedisCache(flush = true) public boolean removeByPrimaryKey(Long primaryKey){ return bizTagsMapper.deleteByPrimaryKey(primaryKey) > 0; } /** * 根据主键更新实体全部字段,null值会被更新 * * @param entity * @return */ @Override @Transactional(rollbackFor = Exception.class) @RedisCache(flush = true) public boolean update(Tags entity){ Assert.notNull(entity, "Tags不可为空!"); entity.setUpdateTime(new Date()); return bizTagsMapper.updateByPrimaryKey(entity.getBizTags()) > 0; } /** * 根据主键更新属性不为null的值 * * @param entity * @return */ @Override @Transactional(rollbackFor = Exception.class) @RedisCache(flush = true) public boolean updateSelective(Tags entity){ Assert.notNull(entity, "Tags不可为空!"); entity.setUpdateTime(new Date()); return bizTagsMapper.updateByPrimaryKeySelective(entity.getBizTags()) > 0; } /** * 根据主键字段进行查询,方法参数必须包含完整的主键属性,查询条件使用等号 * * @param primaryKey * @return */ @Override public Tags getByPrimaryKey(Long primaryKey){ Assert.notNull(primaryKey, "PrimaryKey不可为空!"); BizTags entity = bizTagsMapper.selectByPrimaryKey(primaryKey); return null == entity ? null : new Tags(entity); } /** * 根据实体中的属性进行查询,只能有一个返回值,有多个结果时抛出异常,查询条件使用等号 * * @param entity * @return */ @Override public Tags getOneByEntity(Tags entity){ Assert.notNull(entity, "Tags不可为空!"); BizTags bo = bizTagsMapper.selectOne(entity.getBizTags()); return null == bo ? null : new Tags(bo); } /** * 查询全部结果,listByEntity(null)方法能达到同样的效果 * * @return */ @Override @RedisCache public List listAll(){ List entityList = bizTagsMapper.selectAll(); if (CollectionUtils.isEmpty(entityList)) { return null; } List list = new ArrayList<>(); for (BizTags entity : entityList) { list.add(new Tags(entity)); } return list; } /** * 根据实体中的属性值进行查询,查询条件使用等号 * * @param entity * @return */ @Override @RedisCache public List listByEntity(Tags entity){ Assert.notNull(entity, "Tags不可为空!"); List entityList = bizTagsMapper.select(entity.getBizTags()); if (CollectionUtils.isEmpty(entityList)) { return null; } List list = new ArrayList<>(); for (BizTags po : entityList) { list.add(new Tags(po)); } return list; } }