org.lcsim.recon.tracking.trfutil

Class Pair

java.lang.Object

org.lcsim.recon.tracking.trfutil.Pair

public class Pair
extends Object

Object-pair class modelled on C++ STL pair.

Version:

1.0

Author:

Norman A. Graf

Field Summary

Fields

Modifier and Type	Field and Description
private Object	_first
private Object	_second

Constructor Summary

Constructors

Constructor and Description
Pair(Object first, Object second) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object o) Equality test.
Object	first() Fetch the first object.
int	hashCode() Compute a hash code for the pair.
boolean	notEquals(Object o) Inequality test, convenience method.
Object	second() Fetch the second object.
String	toString() String representation of this Pair.

Methods inherited from class java.lang.Object

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

Field Detail

_first

private Object _first

_second

private Object _second

Constructor Detail

Pair

public Pair(Object first,
    Object second)

Constructor.

Parameters:

first - First Object to associate.

second - Second Object to associate.

Method Detail

first

public Object first()

Fetch the first object.

Returns:

Return by reference since we can't guarantee that clone() does the right thing.

second

public Object second()

Fetch the second object.

Returns:

Return by reference since we can't guarantee that clone() does the right thing.

equals

public boolean equals(Object o)

Equality test.

Overrides:

equals in class Object

Parameters:

o - Pair Object to test against.

Returns:

true if Pairs are the same using equals(), not ==.

notEquals

public boolean notEquals(Object o)

Inequality test, convenience method.

Parameters:

o - Pair Object to test against.

Returns:

true if Pairs are the not the same using equals(), not ==.

hashCode

public int hashCode()

Compute a hash code for the pair.

Overrides:

hashCode in class Object

Returns:

integer hash.

toString

public String toString()

String representation of this Pair.

Overrides:

toString in class Object

Returns:

String representation of this Pair.