Class Line

java.lang.Object

io.r2dbc.postgresql.codec.Line

public final class Line
extends Object

Value object that maps to the line datatype in Postgres. Lines are represented by the linear equation Ax + By + C = 0.

Uses double to represent the coordinates.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
double	getA()
double	getB()
double	getC()
int	hashCode()
static Line	of(double a, double b, double c)	Create a new Line given parameters a, b and c of the linear equation.
static Line	of(double x1, double y1, double x2, double y2)	Create a new Line defined by two points.
static Line	of(Point p1, Point p2)	Create a new Line defined by two points.
String	toString()

Methods inherited from class Object

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

Method Details

of

public static Line of(double a,
 double b,
 double c)

Create a new Line given parameters a, b and c of the linear equation.

Parameters:

a - coefficient of x

b - coefficient of y

c - constant

Returns:

the new Line object

of

public static Line of(Point p1,
 Point p2)

Create a new Line defined by two points.

Parameters:

p1 - first point on the line

p2 - second point on the line

Returns:

the new Line object

Throws:

IllegalArgumentException - if p1 or p2 is null

of

public static Line of(double x1,
 double y1,
 double x2,
 double y2)

Create a new Line defined by two points.

Parameters:

x1 - the x-coordinate of the first point on the line

y1 - the y-coordinate of the first point on the line

x2 - the x-coordinate of the second point on the line

y2 - the y-coordinate of the second point on the line

Returns:

the new Line object

getA

public double getA()

getB

public double getB()

getC

public double getC()

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object