Class KeyValue<A,B>

java.lang.Object

org.javatuples.Tuple

org.javatuples.KeyValue<A,B>

All Implemented Interfaces:

Serializable, Comparable<Tuple>, Iterable<Object>, IValueKey<A>, IValueValue<B>

public final class KeyValue<A,B>
extends Tuple
implements IValueKey<A>, IValueValue<B>

A tuple of two elements, with positions 0 and 1 renamed as "key" and "value", respectively.

Since:

1.0

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private final A	key
private static final long	serialVersionUID
private static final int	SIZE
private final B	value

Constructor Summary

Constructors

Constructor	Description
KeyValue(A key, B value)

Method Summary

Modifier and Type	Method	Description
static <X> KeyValue<X,X>	fromArray(X[] array)	Create tuple from array.
static <X> KeyValue<X,X>	fromCollection(Collection<X> collection)
static <X> KeyValue<X,X>	fromIterable(Iterable<X> iterable)
static <X> KeyValue<X,X>	fromIterable(Iterable<X> iterable, int index)
private static <X> KeyValue<X,X>	fromIterable(Iterable<X> iterable, int index, boolean exactSize)
A	getKey()
int	getSize()	Return the size of the tuple.
B	getValue()
<X> KeyValue<X,B>	setKey(X key)
<Y> KeyValue<A,Y>	setValue(Y value)
static <A,B> KeyValue<A,B>	with(A key, B value)

Methods inherited from class Tuple

compareTo, contains, containsAll, containsAll, equals, getValue, hashCode, indexOf, iterator, lastIndexOf, toArray, toList, toString

Methods inherited from class Object

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

Methods inherited from interface Iterable

forEach, spliterator

Field Details

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

SIZE

private static final int SIZE

See Also:

• Constant Field Values

key

private final A key

value

private final B value

Constructor Details

KeyValue

public KeyValue(A key,
 B value)

Method Details

with

public static <A,B> KeyValue<A,B> with(A key,
 B value)

fromArray

public static <X> KeyValue<X,X> fromArray(X[] array)

Create tuple from array. Array has to have exactly two elements.

Type Parameters:

X - the array component type

Parameters:

array - the array to be converted to a tuple

Returns:

the tuple

fromCollection

public static <X> KeyValue<X,X> fromCollection(Collection<X> collection)

fromIterable

public static <X> KeyValue<X,X> fromIterable(Iterable<X> iterable)

fromIterable

public static <X> KeyValue<X,X> fromIterable(Iterable<X> iterable,
 int index)

fromIterable

private static <X> KeyValue<X,X> fromIterable(Iterable<X> iterable,
 int index,
 boolean exactSize)

getKey

public A getKey()

Specified by:

getKey in interface IValueKey<A>

getValue

public B getValue()

Specified by:

getValue in interface IValueValue<A>

getSize

public int getSize()

Description copied from class: Tuple

Return the size of the tuple.

Specified by:

getSize in class Tuple

Returns:

the size of the tuple.

setKey

public <X> KeyValue<X,B> setKey(X key)

setValue

public <Y> KeyValue<A,Y> setValue(Y value)