com.amazon.redshift.geometric

Class RedshiftLine

java.lang.Object

com.amazon.redshift.util.RedshiftObject

com.amazon.redshift.geometric.RedshiftLine

All Implemented Interfaces:

Serializable, Cloneable

public class RedshiftLine
extends RedshiftObject
implements Serializable, Cloneable

This implements a line represented by the linear equation Ax + By + C = 0.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
double	a Coefficient of x.
double	b Coefficient of y.
double	c Constant.

Fields inherited from class com.amazon.redshift.util.RedshiftObject

type, value

Constructor Summary

Constructors

Constructor and Description
RedshiftLine() required by the driver.
RedshiftLine(double a, double b, double c)
RedshiftLine(double x1, double y1, double x2, double y2)
RedshiftLine(RedshiftLseg lseg)
RedshiftLine(RedshiftPoint p1, RedshiftPoint p2)
RedshiftLine(String s)

Method Summary

Modifier and Type	Method and Description
Object	clone() This must be overidden to allow the object to be cloned.
boolean	equals(Object obj) This must be overidden to allow comparisons of objects.
String	getValue() This must be overidden, to return the value of the object, in the form required by com.amazon.redshift.
int	hashCode() Compute hash.
void	setValue(String s) This method sets the value of this object.

Methods inherited from class com.amazon.redshift.util.RedshiftObject

getType, setType, toString

Methods inherited from class java.lang.Object

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

Field Detail

a

public double a

Coefficient of x.

b

public double b

Coefficient of y.

c

public double c

Constant.

Constructor Detail

RedshiftLine

public RedshiftLine(double a,
                    double b,
                    double c)

Parameters:

a - coefficient of x

b - coefficient of y

c - constant

RedshiftLine

public RedshiftLine(double x1,
                    double y1,
                    double x2,
                    double y2)

Parameters:

x1 - coordinate for first point on the line

y1 - coordinate for first point on the line

x2 - coordinate for second point on the line

y2 - coordinate for second point on the line

RedshiftLine

public RedshiftLine(RedshiftPoint p1,
                    RedshiftPoint p2)

Parameters:

p1 - first point on the line

p2 - second point on the line

RedshiftLine

public RedshiftLine(RedshiftLseg lseg)

Parameters:

lseg - Line segment which calls on this line.

RedshiftLine

public RedshiftLine(String s)
             throws SQLException

Parameters:

s - definition of the line in Redshift's syntax.

Throws:

SQLException - on conversion failure

RedshiftLine

public RedshiftLine()

required by the driver.

Method Detail

setValue

public void setValue(String s)
              throws SQLException

Description copied from class: RedshiftObject

This method sets the value of this object. It must be overridden.

Overrides:

setValue in class RedshiftObject

Parameters:

s - Definition of the line in Redshift's syntax

Throws:

SQLException - on conversion failure

equals

public boolean equals(Object obj)

Description copied from class: RedshiftObject

This must be overidden to allow comparisons of objects.

Overrides:

equals in class RedshiftObject

Parameters:

obj - Object to compare with

Returns:

true if the two lines are identical

hashCode

public int hashCode()

Description copied from class: RedshiftObject

Compute hash. As equals() use only value. Return the same hash for the same value.

Overrides:

hashCode in class RedshiftObject

Returns:

Value hashcode, 0 if value is null Objects.hashCode(Object)

getValue

public String getValue()

Description copied from class: RedshiftObject

This must be overidden, to return the value of the object, in the form required by com.amazon.redshift.

Overrides:

getValue in class RedshiftObject

Returns:

the RedshiftLine in the syntax expected by com.amazon.redshift

clone

public Object clone()
             throws CloneNotSupportedException

Description copied from class: RedshiftObject

This must be overidden to allow the object to be cloned.

Overrides:

clone in class RedshiftObject

Throws:

CloneNotSupportedException