org.vrspace.server.object
Class ObserverSensor

java.lang.Object
  java.util.Observable
      org.vrspace.server.VRObject
          org.vrspace.server.PublicVRObject
              org.vrspace.server.object.ObserverSensor

All Implemented Interfaces:

java.lang.Cloneable, Owned

public class ObserverSensor

extends PublicVRObject

implements Owned

ObserverSensor tracks Observers, and notifies Owners about changes

Field Summary

protected boolean

active

Fields inherited from class org.vrspace.server.VRObject

db_id, primitiveMap, primitives

Constructor Summary

ObserverSensor()

Method Summary

void	addObserver(java.util.Observer o) Adds Observer to the observer list
void	addOwner(Owner c) Interface Owned
void	deleteObserver(java.util.Observer o) Removes Observer to the observer list
void	deleteObservers() Clears the observer list
boolean	isOwned(Owner c)
void	notifyOwners(java.lang.Object o)
void	removeOwner(Owner c)

Methods inherited from class org.vrspace.server.PublicVRObject

setValue

Methods inherited from class org.vrspace.server.VRObject

arrayToString, canRead, canWrite, clone, equals, fieldToText, fromString, fromText, getClassName, getField, getFields, getId, getID, getMemebers, hasField, hasMethod, isNew, newInstance, sendEvent, sendResponse, setField, setField, setField, setFields, setFields, stringToArray, toString, toText, toText, toText

Methods inherited from class java.util.Observable

clearChanged, countObservers, hasChanged, notifyObservers, notifyObservers, setChanged

Methods inherited from class java.lang.Object

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

Field Detail

active

protected boolean active

Constructor Detail

ObserverSensor

public ObserverSensor()

Method Detail

addObserver

public void addObserver(java.util.Observer o)

Adds Observer to the observer list

deleteObserver

public void deleteObserver(java.util.Observer o)

Removes Observer to the observer list

deleteObservers

public void deleteObservers()

Clears the observer list

addOwner

public void addOwner(Owner c)

Interface Owned

Specified by:

addOwner in interface Owned

removeOwner

public void removeOwner(Owner c)

Specified by:

removeOwner in interface Owned

isOwned

public boolean isOwned(Owner c)

Specified by:

isOwned in interface Owned

notifyOwners

public void notifyOwners(java.lang.Object o)

Specified by:

notifyOwners in interface Owned