diva.canvas.connector

Class NullSite

java.lang.Object

diva.canvas.AbstractSite

diva.canvas.connector.NullSite

All Implemented Interfaces:

Site

public class NullSite
extends AbstractSite

A site that doesn't do anything useful. Sometimes this is needed as a placeholder for objects that expect sites, but because other objects they depend on haven't been created yet, can't have them.

Version:

$Id$

Author:

John Reekie

Field Summary

Fields inherited from class diva.canvas.AbstractSite

_hasNormal, _normal

Constructor Summary

Constructors

Constructor and Description
NullSite()

Method Summary

Modifier and Type	Method and Description
Figure	getFigure() Return null
int	getID() Return 0
double	getX() Return 0.0.
double	getY() Return 0.0.

Methods inherited from class diva.canvas.AbstractSite

getNormal, getPoint, getPoint, getPoint, getPoint, getTransformContext, hasNormal, isNormal, setNormal, translate

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NullSite

public NullSite()

Method Detail

getFigure

public Figure getFigure()

Return null

Specified by:

getFigure in interface Site

Specified by:

getFigure in class AbstractSite

Returns:

The figure.

getID

public int getID()

Return 0

Specified by:

getID in interface Site

Specified by:

getID in class AbstractSite

Returns:

The unique identifier.

getX

public double getX()

Return 0.0.

Specified by:

getX in interface Site

Specified by:

getX in class AbstractSite

Returns:

The x-coordinate of the site.

getY

public double getY()

Return 0.0.

Specified by:

getY in interface Site

Specified by:

getY in class AbstractSite

Returns:

The y-coordinate of the site.