net.sf.tweety.commons.util

Class Pair<E,F>

java.lang.Object

net.sf.tweety.commons.util.Pair<E,F>

Type Parameters:

E - the type of the first element

F - the type of the second element

Direct Known Subclasses:

Division

public class Pair<E,F>
extends java.lang.Object

This class implements a simple pair of elements.

Author:

Matthias Thimm, Bastian Wolf

Field Summary

Fields

Modifier and Type	Field and Description
(package private) E	obj1 The first element of this pair
(package private) F	obj2 The second element of this pair

Constructor Summary

Constructors

Constructor and Description
Pair() Initializes an empty pair.
Pair(E obj1, F obj2) Initializes the elements of this pair with the given parameters

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object obj)
E	getFirst() returns the first element of this pair
F	getSecond() returns the second element of this pair
int	hashCode()
void	setFirst(E obj1) sets the first element of this pair
void	setSecond(F obj2) sets the second element of this pair
java.lang.String	toString() returns a string representation of a pair as "(obj1, obj2)"

Methods inherited from class java.lang.Object

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

Field Detail

obj1

E obj1

The first element of this pair

obj2

F obj2

The second element of this pair

Constructor Detail

Pair

public Pair()

Initializes an empty pair.

Pair

public Pair(E obj1,
            F obj2)

Initializes the elements of this pair with the given parameters

Parameters:

obj1 - the first element of this pair

obj2 - the second element of this pair

Method Detail

getFirst

public E getFirst()

returns the first element of this pair

Returns:

the first element of this pair

setFirst

public void setFirst(E obj1)

sets the first element of this pair

Parameters:

obj1 - an object of type E

getSecond

public F getSecond()

returns the second element of this pair

Returns:

the second element of this pair

setSecond

public void setSecond(F obj2)

sets the second element of this pair

Parameters:

obj2 - an object of type F

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

toString

public java.lang.String toString()

returns a string representation of a pair as "(obj1, obj2)"

Overrides:

toString in class java.lang.Object

Returns:

a string representation of a pair as "(obj1, obj2)"