Class CoordinateComparator<X extends Point_>

java.lang.Object

Jcg.geometry.CoordinateComparator<X>

All Implemented Interfaces:

Comparator<X>

public class CoordinateComparator<X extends Point_>
extends Object
implements Comparator<X>

Class allowing to compare two points according to a given coordinate

Version:

jan 2014

Author:

Luca Castelli Aleardi (Ecole Polytechnique, INF562)

Field Summary

Fields

Modifier and Type	Field	Description
(package private) int	direction	indicates which coordinates are to be compared: 0 stays for direction 'x' 1 stays for direction 'y' and so on.

Constructor Summary

Constructors

Constructor	Description
CoordinateComparator(int dir)

Method Summary

Modifier and Type	Method	Description
int	compare(X p, X q)	Compare two points according to their i-th coordinate (where i=direction)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Comparator

equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Field Details

direction

int direction

indicates which coordinates are to be compared:
0 stays for direction 'x'
1 stays for direction 'y'
and so on.

Constructor Details

CoordinateComparator

public CoordinateComparator(int dir)

Method Details

compare

public int compare(X p,
 X q)

Compare two points according to their i-th coordinate (where i=direction)

Specified by:

compare in interface Comparator<X extends Point_>

Parameters:

p - the first point to compare

q - second point to compare

Returns:

-1, 0 or +1