Package com.saperion.common.lang.encapsulation

Class Pair<T1,T2>

java.lang.Object

com.saperion.common.lang.encapsulation.Pair<T1,T2>

Type Parameters:

T1 - type of first object

T2 - type of second object

All Implemented Interfaces:

Serializable

public class Pair<T1,T2>
extends Object
implements Serializable

A simple immutable encapsulation for 2 objects.

An instance of this Pair can be used in several threads concurrently.

Author:

agz

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
Pair(T1 first, T2 second)	Creates a new Pair with the specified first and second objects.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
final T1	getFirst()	Returns the first object.
final T2	getSecond()	Returns the second object.
int	hashCode()
static <T1, T2> Pair<T1,T2>	newInstance(T1 first, T2 second)	Convenience factory method for letting the compiler do the type inference.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

Pair

public Pair(T1 first,
 T2 second)

Creates a new Pair with the specified first and second objects.

Both objects may be null.

Parameters:

first - first object

second - second object

Method Details

getFirst

public final T1 getFirst()

Returns the first object.

Returns:

first object

getSecond

public final T2 getSecond()

Returns the second object.

Returns:

second object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object

newInstance

public static <T1,
T2> Pair<T1,T2> newInstance(T1 first,
 T2 second)

Convenience factory method for letting the compiler do the type inference.

Parameters:

first - The first object in the pair

second - The second object in the pair

Returns:

A pair consisting of the given objects