Package org.apache.dubbo.common.utils

Class Pair<L,R>

java.lang.Object

org.apache.dubbo.common.utils.Pair<L,R>

All Implemented Interfaces:

Serializable, Comparable<Pair<L,R>>, Map.Entry<L,R>

public final class Pair<L,R>
extends Object
implements Map.Entry<L,R>, Comparable<Pair<L,R>>, Serializable

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
Pair(L left, R right)

Method Summary

Modifier and Type	Method	Description
int	compareTo(Pair<L,R> other)
boolean	equals(Object other)
L	getKey()
L	getLeft()
R	getRight()
R	getValue()
int	hashCode()
boolean	isNull()
static <L, R> Pair<L,R>	nullPair()
static <L, R> Pair<L,R>	of(L left, R right)
R	setValue(R value)
static <L, R> Map<L,R>	toMap(Collection<Pair<L,R>> pairs)
static <L, R> Map<L,R>	toMap(Pair<L,R>... pairs)
static <L, R> List<Pair<L,R>>	toPairs(Map<L,R> map)
String	toString()

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Details

Pair

public Pair(L left,
 R right)

Method Details

of

public static <L,
R> Pair<L,R> of(L left,
 R right)

nullPair

public static <L,
R> Pair<L,R> nullPair()

toMap

@SafeVarargs
public static <L,
R> Map<L,R> toMap(Pair<L,R>... pairs)

toMap

public static <L,
R> Map<L,R> toMap(Collection<Pair<L,R>> pairs)

toPairs

public static <L,
R> List<Pair<L,R>> toPairs(Map<L,R> map)

getLeft

public L getLeft()

getRight

public R getRight()

isNull

public boolean isNull()

getKey

public L getKey()

Specified by:

getKey in interface Map.Entry<L,R>

getValue

public R getValue()

Specified by:

getValue in interface Map.Entry<L,R>

setValue

public R setValue(R value)

Specified by:

setValue in interface Map.Entry<L,R>

compareTo

public int compareTo(Pair<L,R> other)

Specified by:

compareTo in interface Comparable<L>

hashCode

public int hashCode()

Specified by:

hashCode in interface Map.Entry<L,R>

Overrides:

hashCode in class Object

equals

public boolean equals(Object other)

Specified by:

equals in interface Map.Entry<L,R>

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object