Class EntityRowMapper<T>

java.lang.Object

org.huiche.jdbc.mapper.row.EntityRowMapper<T>

Type Parameters:

T - 实体类型

All Implemented Interfaces:

RowMapper<T>

public final class EntityRowMapper<T>
extends Object
implements RowMapper<T>

实体类行转换器

结果集中为 NULL 的列不会写入属性,字段初始值会被保留; 结果集中不存在的列同样跳过。字段初始值不应作为数据库默认值的替代。

Author:

Maning

Method Summary

Modifier and Type	Method	Description
T	map(ResultSet rs, IndexMapper indexMapper, Configuration configuration)	将结果集转换实体
static <T> EntityRowMapper<T>	of(Class<T> clazz)	创建实体类转换器
Type	type()	类型

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

of

public static <T> EntityRowMapper<T> of(Class<T> clazz)

创建实体类转换器

Type Parameters:

T - 实体类类型

Parameters:

clazz - 实体类

Returns:

转换器

map

public T map(ResultSet rs,
 IndexMapper indexMapper,
 Configuration configuration)
      throws SQLException

Description copied from interface: RowMapper

将结果集转换实体

Specified by:

map in interface RowMapper<T>

Parameters:

rs - 结果集

indexMapper - 列下标的映射,按列下标读取的场景为 null(单列转换与自定义转换)

configuration - 配置

Returns:

实体

Throws:

SQLException - 原生SQL异常

type

public Type type()

Description copied from interface: RowMapper

类型

Specified by:

type in interface RowMapper<T>

Returns:

类型