visad
Class ThingChangedLink

java.lang.Object
  |
  +--visad.ThingChangedLink

class ThingChangedLink

extends Object

ThingChangedLink objects are used by ThingReference objects to define their connections with Action objects. That is, a ThingReference has a Vector of ThingChangedLinks, one for each attached Action.

Action has a Vector of ReferenceActionLinks, one for each attached ThingReference.

Constructor Summary

(package private)

ThingChangedLink(Action a, long jd)

Method Summary

ThingChangedEvent	acknowledgeThingChangedEvent() acknowledge the last event from the ThingReference, and possibly return a new event to the Action
(package private) Action	getAction()
(package private) long	getId()
ThingChangedEvent	peekThingChangedEvent() possibly return a new event to the Action
void	queueThingChangedEvent(ThingChangedEvent e) either deliver the event to the corresponding Action object or, if the Action isn't ready yet, queue the event for later delivery

Methods inherited from class java.lang.Object

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

Constructor Detail

ThingChangedLink

ThingChangedLink(Action a,
                 long jd)
           throws VisADException

Method Detail

getId

long getId()

getAction

Action getAction()

peekThingChangedEvent

public ThingChangedEvent peekThingChangedEvent()

possibly return a new event to the Action

acknowledgeThingChangedEvent

public ThingChangedEvent acknowledgeThingChangedEvent()

acknowledge the last event from the ThingReference, and possibly return a new event to the Action

queueThingChangedEvent

public void queueThingChangedEvent(ThingChangedEvent e)
                            throws RemoteException,
                                   VisADException

either deliver the event to the corresponding Action object or, if the Action isn't ready yet, queue the event for later delivery