net.hydromatic.lambda.functions

Class Mappers

java.lang.Object

net.hydromatic.lambda.functions.Mappers

public class Mappers
extends Object

Utilities for Mapper.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Mappers.AbstractMapper<T,R>

Method Summary

Modifier and Type	Method and Description
static <T,U,V> Mapper<T,V>	chain(Mapper<? super T,? extends U> first, Mapper<? super U,? extends V> second)
static <T,U> Mapper<T,U>	constant(U constant)
static <T,U> Mapper<T,U>	forMap(Map<? super T,? extends U> map)
static <T,U> Mapper<T,U>	forMap(Map<? super T,? extends U> map, U defaultValue)
static <T,U> Mapper<T,U>	forPredicate(Predicate<? super T> predicate, U forTrue, U forFalse)
static <T> Mapper<T,T>	identity()
static <T,U> Mapper<T,U>	instantiate(Class<? extends T> clazzT, Class<? extends U> clazzU)
static <T> Mapper<T,String>	string()
static <T> Mapper<T,T>	substitute(T subOut, T subIn)

Methods inherited from class java.lang.Object

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

Method Detail

identity

public static <T> Mapper<T,T> identity()

string

public static <T> Mapper<T,String> string()

chain

public static <T,U,V> Mapper<T,V> chain(Mapper<? super T,? extends U> first,
                                        Mapper<? super U,? extends V> second)

constant

public static <T,U> Mapper<T,U> constant(U constant)

substitute

public static <T> Mapper<T,T> substitute(T subOut,
                                         T subIn)

instantiate

public static <T,U> Mapper<T,U> instantiate(Class<? extends T> clazzT,
                                            Class<? extends U> clazzU)

forMap

public static <T,U> Mapper<T,U> forMap(Map<? super T,? extends U> map)

forMap

public static <T,U> Mapper<T,U> forMap(Map<? super T,? extends U> map,
                                       U defaultValue)

forPredicate

public static <T,U> Mapper<T,U> forPredicate(Predicate<? super T> predicate,
                                             U forTrue,
                                             U forFalse)