org.postgresql.geometric
Class PGcircle

java.lang.Object
  org.postgresql.util.PGobject
      org.postgresql.geometric.PGcircle

All Implemented Interfaces:

Serializable, Cloneable

public class PGcircle
extends PGobject
implements Serializable, Cloneable

This represents org.postgresql's circle datatype, consisting of a point and a radius

See Also:

Serialized Form

Field Summary

PGpoint	center This is the center point
double	radius This is the radius

Fields inherited from class org.postgresql.util.PGobject

type, value

Constructor Summary

PGcircle()
This constructor is used by the driver.

PGcircle(double x, double y, double r)

PGcircle(PGpoint c, double r)

PGcircle(String s)

Method Summary

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 org.postgresql.
int	hashCode() Compute hash.
void	setValue(String s) This method sets the value of this object.

Methods inherited from class org.postgresql.util.PGobject

getType, setType, toString

Methods inherited from class java.lang.Object

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

Field Detail

center

public PGpoint center

This is the center point

radius

public double radius

This is the radius

Constructor Detail

PGcircle

public PGcircle(double x,
                double y,
                double r)

Parameters:

x - coordinate of center

y - coordinate of center

r - radius of circle

PGcircle

public PGcircle(PGpoint c,
                double r)

Parameters:

c - PGpoint describing the circle's center

r - radius of circle

PGcircle

public PGcircle(String s)
         throws SQLException

Parameters:

s - definition of the circle in PostgreSQL's syntax.

Throws:

SQLException - on conversion failure

PGcircle

public PGcircle()

This constructor is used by the driver.

Method Detail

setValue

public void setValue(String s)
              throws SQLException

Description copied from class: PGobject

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

Overrides:

setValue in class PGobject

Parameters:

s - definition of the circle in PostgreSQL's syntax.

Throws:

SQLException - on conversion failure

equals

public boolean equals(Object obj)

Description copied from class: PGobject

This must be overidden to allow comparisons of objects

Overrides:

equals in class PGobject

Parameters:

obj - Object to compare with

Returns:

true if the two circles are identical

hashCode

public int hashCode()

Description copied from class: PGobject

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

Overrides:

hashCode in class PGobject

Returns:

Value hashcode, 0 if value is null Objects

clone

public Object clone()
             throws CloneNotSupportedException

Description copied from class: PGobject

This must be overidden to allow the object to be cloned

Overrides:

clone in class PGobject

Throws:

CloneNotSupportedException

getValue

public String getValue()

Description copied from class: PGobject

This must be overidden, to return the value of the object, in the form required by org.postgresql.

Overrides:

getValue in class PGobject

Returns:

the PGcircle in the syntax expected by org.postgresql