org.gjt.universe
Class WormholeUndefined

java.lang.Object
  |
  +--org.gjt.universe.DBItem
        |
        +--org.gjt.universe.Wormhole
              |
              +--org.gjt.universe.WormholeUndefined

All Implemented Interfaces:

java.io.Serializable

final class WormholeUndefined

extends Wormhole

This class is used to represent a wormhole which is not defined. This is used instead of null in places where a null object can not be used.

See Also:

WormholeList

Field Summary

static WormholeID	ID The singleton instance of this class.
static WormholeUndefined	SINGLETON

Fields inherited from class org.gjt.universe.Wormhole

Constructor Summary

private

WormholeUndefined()

Method Summary

VectorDisplayReturn

specificDisplayDebug() This method is used for debugging purposes and returns a display vector describing this object.

Methods inherited from class org.gjt.universe.Wormhole

getDiameter, getEndPoint1, getEndPoint2, getEndPointID1, getEndPointID2, getID, getIndex, getIntegrity, getIsStable, getName, hasCollapsed, isEndPoint, isIntergalactic, isOscillating, reduceIntegrity, setDiameter, setEndPointID1, setEndPointID2, setIntegrity, setIsStable

Methods inherited from class org.gjt.universe.DBItem

getLocation, getOwner

Methods inherited from class java.lang.Object

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

Field Detail

SINGLETON

public static WormholeUndefined SINGLETON

ID

public static WormholeID ID

The singleton instance of this class.

Constructor Detail

WormholeUndefined

private WormholeUndefined()

Method Detail

specificDisplayDebug

public VectorDisplayReturn specificDisplayDebug()

Description copied from class: Wormhole

This method is used for debugging purposes and returns a display vector describing this object.

Overrides:

specificDisplayDebug in class Wormhole