org.apache.sshd.common.util

Interface Transformer<I,O>

Type Parameters:

I - Input type

O - Output type

All Superinterfaces:

Function<I,O>

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface Transformer<I,O>
extends Function<I,O>

Author:

Apache MINA SSHD Project

Field Summary

Fields

Modifier and Type	Field and Description
static Function<Enum<?>,String>	ENUM_NAME_EXTRACTOR Returns Enum.name() or null if argument is null
static Function<Object,String>	TOSTRING Invokes Objects.toString(Object, String) on the argument with null as the value to return if argument is null

Method Summary

Modifier and Type	Method and Description
default O	apply(I input)
static <U extends V,V> Transformer<U,V>	identity()
O	transform(I input)

Methods inherited from interface java.util.function.Function

andThen, compose

Field Detail

TOSTRING

static final Function<Object,String> TOSTRING

Invokes Objects.toString(Object, String) on the argument with null as the value to return if argument is null

ENUM_NAME_EXTRACTOR

static final Function<Enum<?>,String> ENUM_NAME_EXTRACTOR

Returns Enum.name() or null if argument is null

Method Detail

apply

default O apply(I input)

Specified by:

apply in interface Function<I,O>

transform

O transform(I input)

Parameters:

input - Input value

Returns:

Transformed output value

identity

static <U extends V,V> Transformer<U,V> identity()

Specified by:

identity in interface Function<I,O>