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.

public final class Pair<K,V>
extends java.lang.Object

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

Constructor Summary

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

Method Summary

boolean	equals(java.lang.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.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Pair

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 Detail

of

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

public K getKey()

Returns the key.

Returns:

the key.

getValue

public V getValue()

Returns the value.

Returns:

the value.

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object