Package org.postgresql.geometric

Class PGpolygon

java.lang.Object

org.postgresql.util.PGobject

org.postgresql.geometric.PGpolygon

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

public class PGpolygon
extends PGobject
implements java.io.Serializable, java.lang.Cloneable

This implements the polygon datatype within PostgreSQL.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
PGpoint[]	points	The points defining the polygon

Fields inherited from class org.postgresql.util.PGobject

type, value

Constructor Summary

Constructors

Constructor	Description
PGpolygon()	Required by the driver
PGpolygon(java.lang.String s)
PGpolygon(PGpoint[] points)	Creates a polygon using an array of PGpoints

Method Summary

Modifier and Type	Method	Description
java.lang.Object	clone()	This must be overidden to allow the object to be cloned
boolean	equals(java.lang.Object obj)	This must be overidden to allow comparisons of objects
java.lang.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(java.lang.String s)	This method sets the value of this object.

Methods inherited from class java.lang.Object

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

Methods inherited from class org.postgresql.util.PGobject

getType, setType, toString

Field Detail

points

public PGpoint[] points

The points defining the polygon

Constructor Detail

PGpolygon

public PGpolygon(PGpoint[] points)

Creates a polygon using an array of PGpoints

Parameters:

points - the points defining the polygon

PGpolygon

public PGpolygon(java.lang.String s)
          throws java.sql.SQLException

Parameters:

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

Throws:

java.sql.SQLException - on conversion failure

PGpolygon

public PGpolygon()

Required by the driver

Method Detail

setValue

public void setValue(java.lang.String s)
              throws java.sql.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 polygon in PostgreSQL's syntax

Throws:

java.sql.SQLException - on conversion failure

equals

public boolean equals(java.lang.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 polygons 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.hashCode(Object)

clone

public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException

Description copied from class: PGobject

This must be overidden to allow the object to be cloned

Overrides:

clone in class PGobject

Throws:

java.lang.CloneNotSupportedException

getValue

public java.lang.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 PGpolygon in the syntax expected by org.postgresql