io.mybatis.mapper.fn

Class Fn.FnName<T,R>

java.lang.Object

io.mybatis.mapper.fn.Fn.FnName<T,R>

All Implemented Interfaces:

Fn<T,R>, Serializable, Function<T,R>

Enclosing interface:

Fn<T,R>

public static class Fn.FnName<T,R>
extends Object
implements Fn<T,R>

间接支持直接指定字段名或列名，避免只能通过方法引用使用

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface io.mybatis.mapper.fn.Fn

Fn.FnImpl<T,R>, Fn.FnName<T,R>, Fn.Fns<E>

Field Summary

Fields inherited from interface io.mybatis.mapper.fn.Fn

FN_CLASS_FIELD_MAP, FN_COLUMN_MAP

Constructor Summary

Constructors

Constructor and Description
FnName(Class<?> entityClass, String name)
FnName(Class<?> entityClass, String name, boolean column)

Method Summary

Modifier and Type	Method and Description
R	apply(Object o)
Fn<T,R>	in(Class<?> entityClass) 当前字段所属的实体类，当实体存在继承关系时 父类的方法引用无法获取字段所属的实体类，需要通过该方法指定

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.mybatis.mapper.fn.Fn

column, field, field, of, of, of, toClassField, toColumn, toEntityColumn, toField

Methods inherited from interface java.util.function.Function

andThen, compose, identity

Constructor Detail

FnName

public FnName(Class<?> entityClass,
              String name,
              boolean column)

FnName

public FnName(Class<?> entityClass,
              String name)

Method Detail

in

public Fn<T,R> in(Class<?> entityClass)

Description copied from interface: Fn

当前字段所属的实体类，当实体存在继承关系时 父类的方法引用无法获取字段所属的实体类，需要通过该方法指定

Specified by:

in in interface Fn<T,R>

Parameters:

entityClass - 指定实体类

Returns:

带有指定实体类的 Fn

apply

public R apply(Object o)

Specified by:

apply in interface Function<T,R>