com.complexible.common.base

Class Pair<K1,K2>

java.lang.Object

com.complexible.common.base.Pair<K1,K2>

public final class Pair<K1,K2>
extends Object

Tuple with 2 elements

Since:

2.0

Version:

2.3

Author:

Pedro Oliveira, Michael Grove

Field Summary

Fields

Modifier and Type	Field and Description
K1	first
K2	second

Method Summary

Modifier and Type	Method and Description
static <K1 extends Comparable<K1>,K2 extends Comparable<K2>> Comparator<Pair<K1,K2>>	comparator()
static <S,T> Pair<S,T>	create(S a, T b)
static <S,T> Pair<S,T>	createFromFirst(S a, Function<S,T> aToB)
boolean	equals(Object o)
K1	first()
static <K,V> Function<Map.Entry<K,V>,Pair<K,V>>	fromMapEntry()
static <K,V> Pair<K,V>	fromMapEntry(Map.Entry<K,V> e)
int	hashCode()
static <K1_I,K1_O,K2> Function<Pair<K1_I,K2>,Pair<K1_O,K2>>	liftOverFirst(Function<K1_I,K1_O> mapper)
static <K1,K2_I,K2_O> Function<Pair<K1,K2_I>,Pair<K1,K2_O>>	liftOverSecond(Function<? super K2_I,? extends K2_O> mapper)
static <P1,P2> Consumer<Pair<P1,P2>>	pairBiConsumer(BiConsumer<P1,P2> mapper)
static <P1,P2,R> Function<Pair<P1,P2>,R>	pairBiFunction(BiFunction<P1,P2,R> mapper)
static <P1,P2> Predicate<Pair<P1,P2>>	pairBiPredicate(BiPredicate<P1,P2> mapper)
K2	second()
static <K,V> Stream<Pair<K,V>>	streamMap(Map<K,V> m)
static <K1,K2> Collector<Pair<K1,K2>,?,Map<K1,K2>>	toMap()
static <K1,K2> Collector<Pair<K1,K2>,?,Map<K1,K2>>	toMap(Supplier<Map<K1,K2>> mapSupplier)
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

first

public final K1 first

second

public final K2 second

Method Detail

create

public static <S,T> Pair<S,T> create(S a,
                                     T b)

createFromFirst

public static <S,T> Pair<S,T> createFromFirst(S a,
                                              Function<S,T> aToB)

first

public K1 first()

second

public K2 second()

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object

comparator

public static <K1 extends Comparable<K1>,K2 extends Comparable<K2>> Comparator<Pair<K1,K2>> comparator()

toMap

public static <K1,K2> Collector<Pair<K1,K2>,?,Map<K1,K2>> toMap()

toMap

public static <K1,K2> Collector<Pair<K1,K2>,?,Map<K1,K2>> toMap(Supplier<Map<K1,K2>> mapSupplier)

liftOverFirst

public static <K1_I,K1_O,K2> Function<Pair<K1_I,K2>,Pair<K1_O,K2>> liftOverFirst(Function<K1_I,K1_O> mapper)

liftOverSecond

public static <K1,K2_I,K2_O> Function<Pair<K1,K2_I>,Pair<K1,K2_O>> liftOverSecond(Function<? super K2_I,? extends K2_O> mapper)

pairBiFunction

public static <P1,P2,R> Function<Pair<P1,P2>,R> pairBiFunction(BiFunction<P1,P2,R> mapper)

pairBiPredicate

public static <P1,P2> Predicate<Pair<P1,P2>> pairBiPredicate(BiPredicate<P1,P2> mapper)

pairBiConsumer

public static <P1,P2> Consumer<Pair<P1,P2>> pairBiConsumer(BiConsumer<P1,P2> mapper)

fromMapEntry

public static <K,V> Function<Map.Entry<K,V>,Pair<K,V>> fromMapEntry()

fromMapEntry

public static <K,V> Pair<K,V> fromMapEntry(Map.Entry<K,V> e)

streamMap

public static <K,V> Stream<Pair<K,V>> streamMap(Map<K,V> m)