org.osgl

Class Lang.Transformer<FROM,TO>

java.lang.Object

org.osgl.Lang.FuncBase

org.osgl.Lang.F1<FROM,TO>

org.osgl.Lang.Transformer<FROM,TO>

Type Parameters:

FROM - The type of the element the transformer function applied to

TO - The type of the result of transform of <FROM>

All Implemented Interfaces:

Lang.Bijection<FROM,TO>, Lang.Func1<FROM,TO>, Lang.Function<FROM,TO>, Lang.MultiplicableFunction<FROM,TO>

Direct Known Subclasses:

Lang.TypeConverter

Enclosing class:

Lang

public abstract static class Lang.Transformer<FROM,TO>
extends Lang.F1<FROM,TO>

A Transformer is literally a kind of Lang.F1 function

Constructor Summary

Constructors

Constructor and Description
Transformer()

Method Summary

Modifier and Type	Method and Description
static <F,T> Lang.Transformer<F,T>	adapt(Lang.Function<F,T> func)
TO	apply(FROM from) Apply this function to <T> type parameter.
abstract TO	transform(FROM from) The place sub class to implement the transform logic

Methods inherited from class org.osgl.Lang.F1

andThen, andThen, applyOrElse, compose, compose, compose, compose, compose, compose, curry, invert, lift, orElse, times

Methods inherited from class org.osgl.Lang.FuncBase

breakOut

Methods inherited from class java.lang.Object

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

Constructor Detail

Transformer

public Transformer()

Method Detail

apply

public final TO apply(FROM from)

Description copied from interface: Lang.Function

Apply this function to <T> type parameter.

In case implementing a partial function, it can throw out an NotAppliedException if the function is not defined for the given parameter(s)

Parameters:

from - the argument

Returns:

U type result

transform

public abstract TO transform(FROM from)

The place sub class to implement the transform logic

Parameters:

from - the element to be transformed

Returns:

the transformed object

adapt

public static <F,T> Lang.Transformer<F,T> adapt(Lang.Function<F,T> func)