org.neo4j.helpers.collection

Class Pair<T1,T2>

java.lang.Object

org.neo4j.helpers.collection.Pair<T1,T2>

Type Parameters:

T1 - the type of the first value of the pair.

T2 - the type of the other value of the pair.

public abstract class Pair<T1,T2>
extends Object

Utility to handle pairs of objects.

Method Summary

Modifier and Type	Method and Description
static <T1,T2> Pair<T1,T2>	empty()
boolean	equals(Object obj)
abstract T1	first()
int	hashCode()
static <T1,T2> Pair<T1,T2>	of(T1 first, T2 other) Alias of pair(Object, Object).
abstract T2	other()
static <T1,T2> Pair<T1,T2>	pair(T1 first, T2 other) Create a new pair of objects.
String	toString()

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Method Detail

empty

public static <T1,T2> Pair<T1,T2> empty()

pair

public static <T1,T2> Pair<T1,T2> pair(T1 first,
                                       T2 other)

Create a new pair of objects.

Type Parameters:

T1 - the type of the first object in the pair

T2 - the type of the second object in the pair

Parameters:

first - the first object in the pair.

other - the other object in the pair.

Returns:

a new pair of the two parameters.

of

public static <T1,T2> Pair<T1,T2> of(T1 first,
                                     T2 other)

Alias of pair(Object, Object).

Type Parameters:

T1 - the type of the first object in the pair

T2 - the type of the second object in the pair

Parameters:

first - the first object in the pair.

other - the other object in the pair.

Returns:

a new pair of the two parameters.

first

public abstract T1 first()

Returns:

the first object in the pair.

other

public abstract T2 other()

Returns:

the other object in the pair.

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object