com.amazon.redshift.geometric

Class RedshiftPoint

java.lang.Object

com.amazon.redshift.util.RedshiftObject

com.amazon.redshift.geometric.RedshiftPoint

All Implemented Interfaces:

RedshiftBinaryObject, Serializable, Cloneable

public class RedshiftPoint
extends RedshiftObject
implements RedshiftBinaryObject, Serializable, Cloneable

It maps to the point datatype in com.amazon.redshift.

This implements a version of java.awt.Point, except it uses double to represent the coordinates.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
double	x The X coordinate of the point.
double	y The Y coordinate of the point.

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

type, value

Constructor Summary

Constructors

Constructor and Description
RedshiftPoint() Required by the driver.
RedshiftPoint(double x, double y)
RedshiftPoint(String value) This is called mainly from the other geometric types, when a point is embedded within their definition.

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.
int	lengthInBytes() This method is called to return the number of bytes needed to store this object in the binary form required by com.amazon.redshift.
void	move(double x, double y) Moves the point to the supplied coordinates.
void	move(int x, int y) Moves the point to the supplied coordinates.
void	setByteValue(byte[] b, int offset) This method is called to set the value of this object.
void	setLocation(int x, int y) Moves the point to the supplied coordinates.
void	setLocation(Point p) Moves the point to the supplied java.awt.Point refer to java.awt.Point for description of this.
void	setValue(String s) This method sets the value of this object.
void	toBytes(byte[] b, int offset) Populate the byte array with RedshiftPoint in the binary syntax expected by com.amazon.redshift.
void	translate(double x, double y) Translate the point by the supplied amount.
void	translate(int x, int y) Translate the point by the supplied amount.

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

x

public double x

The X coordinate of the point.

y

public double y

The Y coordinate of the point.

Constructor Detail

RedshiftPoint

public RedshiftPoint(double x,
                     double y)

Parameters:

x - coordinate

y - coordinate

RedshiftPoint

public RedshiftPoint(String value)
              throws SQLException

This is called mainly from the other geometric types, when a point is embedded within their definition.

Parameters:

value - Definition of this point in Redshift's syntax

Throws:

SQLException - if something goes wrong

RedshiftPoint

public RedshiftPoint()

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 this point in Redshift's syntax

Throws:

SQLException - on conversion failure

setByteValue

public void setByteValue(byte[] b,
                         int offset)

Description copied from interface: RedshiftBinaryObject

This method is called to set the value of this object.

Specified by:

setByteValue in interface RedshiftBinaryObject

Parameters:

b - Definition of this point in Redshift's binary syntax

offset - the offset in the byte array where object data starts

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 points 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 RedshiftPoint in the syntax expected by com.amazon.redshift

lengthInBytes

public int lengthInBytes()

Description copied from interface: RedshiftBinaryObject

This method is called to return the number of bytes needed to store this object in the binary form required by com.amazon.redshift.

Specified by:

lengthInBytes in interface RedshiftBinaryObject

Returns:

the number of bytes needed to store this object

toBytes

public void toBytes(byte[] b,
                    int offset)

Populate the byte array with RedshiftPoint in the binary syntax expected by com.amazon.redshift.

Specified by:

toBytes in interface RedshiftBinaryObject

Parameters:

b - the array to store the value, it is guaranteed to be at lest RedshiftBinaryObject.lengthInBytes() in size.

offset - the offset in the byte array where object must be stored

translate

public void translate(int x,
                      int y)

Translate the point by the supplied amount.

Parameters:

x - integer amount to add on the x axis

y - integer amount to add on the y axis

translate

public void translate(double x,
                      double y)

Translate the point by the supplied amount.

Parameters:

x - double amount to add on the x axis

y - double amount to add on the y axis

move

public void move(int x,
                 int y)

Moves the point to the supplied coordinates.

Parameters:

x - integer coordinate

y - integer coordinate

move

public void move(double x,
                 double y)

Moves the point to the supplied coordinates.

Parameters:

x - double coordinate

y - double coordinate

setLocation

public void setLocation(int x,
                        int y)

Moves the point to the supplied coordinates. refer to java.awt.Point for description of this.

Parameters:

x - integer coordinate

y - integer coordinate

See Also:

Point

setLocation

public void setLocation(Point p)

Moves the point to the supplied java.awt.Point refer to java.awt.Point for description of this.

Parameters:

p - Point to move to

See Also:

Point

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