Initial project

src/main/java/com/imyeyu/spring/service/AbstractEntityService.java

@@ -0,0 +1,62 @@
+package com.imyeyu.spring.service;
+
+import com.imyeyu.java.bean.timi.TimiException;
+import com.imyeyu.spring.bean.Page;
+import com.imyeyu.spring.bean.PageResult;
+import com.imyeyu.spring.mapper.BaseMapper;
+
+/**
+ * 抽象实体服务类
+ *
+ * @param <T> 实体类型
+ * @param <P> 实体主键类型
+ * @author 夜雨
+ * @since 2025-05-14 17:06
+ */
+public abstract class AbstractEntityService<T, P> implements BaseService<T, P> {
+
+	/** 基本 Mapper */
+	protected BaseMapper<T, P> baseMapper;
+
+	/** @return Mapper 实例 */
+	protected abstract BaseMapper<T, P> mapper();
+
+	/** 检查 mapper */
+	private void checkMapper() {
+		if (baseMapper == null) {
+			baseMapper = mapper();
+		}
+		TimiException.required(baseMapper, "mapper() can not be null");
+	}
+
+	@Override
+	public PageResult<T> page(Page page) {
+		checkMapper();
+		return Page.toResult(baseMapper, page, new PageResult<>());
+	}
+
+	public void create(T t) {
+		checkMapper();
+		baseMapper.insert(t);
+	}
+
+	public T get(P id) {
+		checkMapper();
+		return baseMapper.select(id);
+	}
+
+	public void update(T t) {
+		checkMapper();
+		baseMapper.update(t);
+	}
+
+	public void delete(P p) {
+		checkMapper();
+		baseMapper.delete(p);
+	}
+
+	public void destroy(P p) {
+		checkMapper();
+		baseMapper.destroy(p);
+	}
+}