Package org.eclipse.xtext.xbase.lib

Class Pair<K,V>

java.lang.Object

org.eclipse.xtext.xbase.lib.Pair<K,V>

Type Parameters:

K - the key-type of the pair.

V - the value-type of the pair.

All Implemented Interfaces:

Serializable

@GwtCompatible
public final class Pair<K,V>
extends Object
implements Serializable

An immutable pair of key and value. A pair is considered to be equal to another pair if both the key and the value are equal.

Author:

Sebastian Zarnekow - Initial contribution and API

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
Pair(K k, V v)	Creates a new instance with the given key and value.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
K	getKey()	Returns the key.
V	getValue()	Returns the value.
int	hashCode()
static <K, V> Pair<K,V>	of(K k, V v)	Creates a new instance with the given key and value.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

Pair

@Pure
public Pair(K k,
 V v)

Creates a new instance with the given key and value.

Parameters:

k - the key. May be null.

v - the value. May be null.

Method Details

of

@Pure
public static <K,
V> Pair<K,V> of(K k,
 V v)

Creates a new instance with the given key and value. May be used instead of the constructor for convenience reasons.

Parameters:

k - the key. May be null.

v - the value. May be null.

Returns:

a newly created pair. Never null.

Since:

2.3

getKey

@Pure
public K getKey()

Returns the key.

Returns:

the key.

getValue

@Pure
public V getValue()

Returns the value.

Returns:

the value.

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