81 lines
1.6 KiB
Java
81 lines
1.6 KiB
Java
package com.imyeyu.spring.service;
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import com.imyeyu.java.bean.timi.TimiException;
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import com.imyeyu.spring.bean.Page;
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import com.imyeyu.spring.bean.PageResult;
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import com.imyeyu.spring.entity.Deletable;
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import com.imyeyu.spring.entity.Updatable;
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import com.imyeyu.spring.mapper.BaseMapper;
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/**
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* 抽象实体服务类
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*
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* @param <T> 实体类型
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* @param <P> 实体主键类型
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* @author 夜雨
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* @since 2025-05-14 17:06
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*/
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public abstract class AbstractEntityService<T, P> implements BaseService<T, P> {
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/** 基本 Mapper */
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protected BaseMapper<T, P> baseMapper;
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/**
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* 创建实体服务
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*/
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protected AbstractEntityService() {
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}
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/**
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* 获取 Mapper 实例
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*
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* @return Mapper 实例
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*/
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protected abstract BaseMapper<T, P> mapper();
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/** 检查 mapper */
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private void checkMapper() {
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if (baseMapper == null) {
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baseMapper = mapper();
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}
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TimiException.required(baseMapper, "mapper() can not be null");
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}
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@Override
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public PageResult<T> page(Page<T> page) {
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checkMapper();
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return baseMapper.selectPageResult(page);
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}
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public void create(T t) {
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checkMapper();
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if (t instanceof Updatable updatable) {
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updatable.setUpdatedAt(null);
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}
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if (t instanceof Deletable deletable) {
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deletable.setDeletedAt(null);
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}
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baseMapper.insert(t);
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}
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public T get(P id) {
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checkMapper();
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return baseMapper.select(id);
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}
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public void update(T t) {
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checkMapper();
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baseMapper.updateSelective(t);
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}
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public void delete(P p) {
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checkMapper();
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baseMapper.delete(p);
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}
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public void destroy(P p) {
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checkMapper();
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baseMapper.destroy(p);
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}
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}
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