visad
Class ThingReferenceImpl

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

Direct Known Subclasses:

DataReferenceImpl

public class ThingReferenceImpl

extends Object

implements ThingReference

ThingReferenceImpl is a local implementation of ThingReference.

ThingReferenceImpl is not Serializable and should not be copied between JVMs.

Field Summary

(package private) Vector	ListenerVector Vector of ThingChangedLinks; ThingReferenceImpl is not Serializable, but mark as transient anyway
(package private) String	Name name of scalar type

Constructor Summary

ThingReferenceImpl(String name)
Constructs from a name for the instance.

Method Summary

ThingChangedEvent	acknowledgeThingChanged(Action a)
ThingChangedEvent	adaptedAcknowledgeThingChanged(RemoteAction a)
(package private) void	adaptedAddThingChangedListener(RemoteAction a, long id) method for use by RemoteThingReferenceImpl that adapts this ThingReferenceImpl
ThingChangedEvent	adaptedPeekThingChanged(RemoteAction a)
(package private) void	adaptedRemoveThingChangedListener(RemoteAction a) method for use by RemoteThingReferenceImpl that adapts this ThingReferenceImpl
(package private) void	adaptedSetThing(RemoteThing t, RemoteThingReference r) method for use by RemoteThingReferenceImpl that adapts this ThingReferenceImpl
void	addThingChangedListener(ThingChangedListener listener, long id) Adds a listener for changes in the underlying Thing.
boolean	equals(Object obj)
ThingChangedLink	findThingChangedLink(Action a) find ThingChangedLink with action
String	getName()
Thing	getThing()
long	getTick()
long	incTick() synchronized because incTick, setThing, and adaptedSetThing share access to thing and ref
ThingChangedEvent	peekThingChanged(Action a)
void	removeThingChangedListener(ThingChangedListener a) ThingChangedListener must be local ActionImpl
void	setThing(Thing t) Sets the underlying thing to reference.
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

Name

String Name

name of scalar type

ListenerVector

transient Vector ListenerVector

Vector of ThingChangedLinks; ThingReferenceImpl is not Serializable, but mark as transient anyway

Constructor Detail

ThingReferenceImpl

public ThingReferenceImpl(String name)
                   throws VisADException

Constructs from a name for the instance.

Parameters:

name - The name for this instance.

Throws:

VisADException - if the name is null.

Method Detail

getThing

public Thing getThing()

Specified by:

getThing in interface ThingReference

setThing

public void setThing(Thing t)
              throws VisADException,
                     RemoteException

Sets the underlying thing to reference.

Specified by:

setThing in interface ThingReference

Parameters:

t - The thing to reference.

Throws:

RemoteVisADException - if the thing is a RemoteThing.

VisADException - if a VisAD failure occurs.

RemoteException - if a Java RMI failure occurs.

adaptedSetThing

void adaptedSetThing(RemoteThing t,
                     RemoteThingReference r)
               throws VisADException,
                      RemoteException

method for use by RemoteThingReferenceImpl that adapts this ThingReferenceImpl

getTick

public long getTick()

Specified by:

getTick in interface ThingReference

incTick

public long incTick()
             throws VisADException,
                    RemoteException

synchronized because incTick, setThing, and adaptedSetThing share access to thing and ref

Specified by:

incTick in interface ThingReference

peekThingChanged

public ThingChangedEvent peekThingChanged(Action a)
                                   throws VisADException

Specified by:

peekThingChanged in interface ThingReference

acknowledgeThingChanged

public ThingChangedEvent acknowledgeThingChanged(Action a)
                                          throws VisADException

Specified by:

acknowledgeThingChanged in interface ThingReference

adaptedPeekThingChanged

public ThingChangedEvent adaptedPeekThingChanged(RemoteAction a)
                                          throws VisADException

adaptedAcknowledgeThingChanged

public ThingChangedEvent adaptedAcknowledgeThingChanged(RemoteAction a)
                                                 throws VisADException

findThingChangedLink

public ThingChangedLink findThingChangedLink(Action a)
                                      throws VisADException

find ThingChangedLink with action

getName

public String getName()

Specified by:

getName in interface ThingReference

addThingChangedListener

public void addThingChangedListener(ThingChangedListener listener,
                                    long id)
                             throws RemoteVisADException,
                                    ReferenceException,
                                    VisADException

Adds a listener for changes in the underlying Thing. If the thing changes, then the listener is notified.

Specified by:

addThingChangedListener in interface ThingReference

Parameters:

listener - The listener.

id - The id of the corresponding ReferenceActionLink.

Throws:

RemoteVisADException - if the listener isn't an ActionImpl.

ReferenceException - if the listener is already registered.

VisADException - if a VisAD failure occurs in a subsystem.

adaptedAddThingChangedListener

void adaptedAddThingChangedListener(RemoteAction a,
                                    long id)
                              throws VisADException

method for use by RemoteThingReferenceImpl that adapts this ThingReferenceImpl

removeThingChangedListener

public void removeThingChangedListener(ThingChangedListener a)
                                throws VisADException

ThingChangedListener must be local ActionImpl

Specified by:

removeThingChangedListener in interface ThingReference

adaptedRemoveThingChangedListener

void adaptedRemoveThingChangedListener(RemoteAction a)
                                 throws VisADException

method for use by RemoteThingReferenceImpl that adapts this ThingReferenceImpl

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object