visad

Class ThingReferenceImpl

java.lang.Object

visad.ThingReferenceImpl

All Implemented Interfaces:

ThingReference

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.

Constructor Summary

Constructors

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

Method Summary

Methods

Modifier and Type	Method and Description
ThingChangedEvent	acknowledgeThingChanged(Action a)
ThingChangedEvent	adaptedAcknowledgeThingChanged(RemoteAction a)
ThingChangedEvent	adaptedPeekThingChanged(RemoteAction a)
void	addThingChangedListener(ThingChangedListener listener, long id) Adds a listener for changes in the underlying Thing.
boolean	equals(Object obj)
visad.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

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.

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

Throws:

VisADException

RemoteException

peekThingChanged

public ThingChangedEvent peekThingChanged(Action a)
                                   throws VisADException

Specified by:

peekThingChanged in interface ThingReference

Throws:

VisADException

acknowledgeThingChanged

public ThingChangedEvent acknowledgeThingChanged(Action a)
                                          throws VisADException

Specified by:

acknowledgeThingChanged in interface ThingReference

Throws:

VisADException

adaptedPeekThingChanged

public ThingChangedEvent adaptedPeekThingChanged(RemoteAction a)
                                          throws VisADException

Throws:

VisADException

adaptedAcknowledgeThingChanged

public ThingChangedEvent adaptedAcknowledgeThingChanged(RemoteAction a)
                                                 throws VisADException

Throws:

VisADException

findThingChangedLink

public visad.ThingChangedLink findThingChangedLink(Action a)
                                            throws VisADException

find ThingChangedLink with action

Throws:

VisADException

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.

removeThingChangedListener

public void removeThingChangedListener(ThingChangedListener a)
                                throws VisADException

ThingChangedListener must be local ActionImpl

Specified by:

removeThingChangedListener in interface ThingReference

Throws:

VisADException

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object