120 lines
2.4 KiB
Java
120 lines
2.4 KiB
Java
package de.wwwu.awolf.model;
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import java.util.Objects;
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import org.apache.commons.math3.util.Precision;
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/**
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* Implementierung verschiedener Algorithmen zur Berechnung von Ausgleichsgeraden.
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*
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* @Author: Armin Wolf
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* @Email: a_wolf28@uni-muenster.de
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* @Date: 28.05.2017.
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*/
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public class Point implements Comparable<Point> {
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private static final double EPSILON = 0.00001;
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private Double x;
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private Double y;
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private String id;
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/**
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* Konstruktor
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*
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* @param x x-Koordiante
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* @param y y-Koordiante
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*/
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public Point(Double x, Double y) {
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this.x = x;
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this.y = y;
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}
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/**
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* Konstruktor
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*
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* @param x x-Koordiante
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* @param y y-Koordiante
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* @param id id des Punkts
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*/
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public Point(Double x, Double y, String id) {
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this.x = x;
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this.y = y;
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this.id = id;
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}
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/**
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* @return x-Koordinate des Punkts
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*/
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public Double getX() {
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return x;
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}
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/**
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* @param x x-Koordinate des Punkts
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*/
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public void setX(Double x) {
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this.x = x;
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}
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/**
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* @return y-Koordinate des Punkts
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*/
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public Double getY() {
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return y;
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}
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/**
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* @param y y-Koordinate des Punkts
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*/
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public void setY(Double y) {
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this.y = y;
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}
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@Override
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public int compareTo(Point o) {
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if (Precision.compareTo(this.getX(), o.getX(), EPSILON) == 0) {
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return this.getY().compareTo(o.getY());
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} else {
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return this.getX().compareTo(o.getX());
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}
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}
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/**
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* Vergleich zweier Punkte
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*
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* @param obj zu vergleichernder Punkt
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* @return <code>true</code> falls die Punkte gleich sind
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*/
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@Override
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public boolean equals(Object obj) {
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if (obj instanceof Point) {
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Point other = (Point) obj;
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return Precision.equals(other.getX(), this.getX(), EPSILON) && Precision
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.equals(other.getY(), this.getY(), EPSILON);
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} else {
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return super.equals(obj);
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}
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}
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@Override
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public int hashCode() {
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return Objects.hash(Precision.round(x, 5), Precision.round(y, 5));
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}
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/**
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* @return id des Punkts
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*/
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public String getId() {
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return id;
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}
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/**
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* @param id id des Punkts
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*/
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public void setId(String id) {
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this.id = id;
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}
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}
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