visad.collab

Class RemoteDisplayMonitorImpl

java.lang.Object

java.rmi.server.RemoteObject

java.rmi.server.RemoteServer

java.rmi.server.UnicastRemoteObject

visad.collab.RemoteDisplayMonitorImpl

All Implemented Interfaces:

java.io.Serializable, java.rmi.Remote, java.util.EventListener, DisplayMonitor, RemoteDisplayMonitor, ControlListener, DisplayListener, MessageListener, ScalarMapListener

public class RemoteDisplayMonitorImpl
extends java.rmi.server.UnicastRemoteObject
implements RemoteDisplayMonitor

RemoteDisplayMonitorImpl is the implementation of the VisAD RemoteDisplayMonitor class.

See Also:

Serialized Form

Field Summary

Fields inherited from interface visad.collab.DisplayMonitor

UNKNOWN_LISTENER_ID

Constructor Summary

Constructors

Constructor and Description
RemoteDisplayMonitorImpl(DisplayMonitorImpl dpyMonitor) Creates a remotely-accessible wrapper for the specified DisplayMonitor

Method Summary

Modifier and Type	Method and Description
void	addListener(MonitorCallback l, int id) Adds this listener to the remote DisplayMonitor.
void	addListener(RemoteDisplay rd, int id) Adds this remote display to the remote DisplayMonitor.
void	addRemoteListener(RemoteDisplay rd) Unusable stub.
int	checkID(int id) Asks remote DisplayMonitor to check this ID for uniqueness.
void	controlChanged(ControlEvent e) Forwards the event to the adapted remote DisplayMonitor.
void	controlChanged(ScalarMapControlEvent e) Forwards the event to the adapted remote DisplayMonitor.
void	destroy() destroy this monitor
void	displayChanged(DisplayEvent e) Forwards the event to the adapted remote DisplayMonitor.
int	getConnectionID(RemoteDisplay rmtDpy) Return the ID associated with the specified RemoteDisplay.
boolean	hasEventQueued(Control ctl) Unusable stub.
boolean	hasEventQueued(int originator, Control ctl) Unusable stub.
boolean	isEmpty()
void	mapChanged(ScalarMapEvent e) Forwards the event to the adapted remote DisplayMonitor.
void	notifyListeners(MonitorEvent evt) Forwards the event to the remote DisplayMonitor.
void	receiveMessage(MessageEvent msg) Handles MessageEvent forwarding.
void	setDisplaySync(DisplaySync sync) Set the display synchronization object for this display
java.lang.String	toString() Returns a string representation of this object.

Methods inherited from class java.rmi.server.UnicastRemoteObject

clone, exportObject, exportObject, exportObject, unexportObject

Methods inherited from class java.rmi.server.RemoteServer

getClientHost, getLog, setLog

Methods inherited from class java.rmi.server.RemoteObject

equals, getRef, hashCode, toStub

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

RemoteDisplayMonitorImpl

public RemoteDisplayMonitorImpl(DisplayMonitorImpl dpyMonitor)
                         throws java.rmi.RemoteException

Creates a remotely-accessible wrapper for the specified DisplayMonitor

Parameters:

dpyMonitor - The local DisplayMonitor object to adapt.

Throws:

java.rmi.RemoteException - If there was an RMI-related problem.

Method Detail

displayChanged

public void displayChanged(DisplayEvent e)
                    throws java.rmi.RemoteException,
                           RemoteVisADException

Forwards the event to the adapted remote DisplayMonitor.

Specified by:

displayChanged in interface DisplayListener

Parameters:

e - The DisplayEvent to forward.

Throws:

java.rmi.RemoteException - If there was an RMI-related problem.

RemoteVisADException - If there was an internal problem.

mapChanged

public void mapChanged(ScalarMapEvent e)

Forwards the event to the adapted remote DisplayMonitor.

Specified by:

mapChanged in interface ScalarMapListener

Parameters:

e - The ScalarMapEvent to forward.

controlChanged

public void controlChanged(ScalarMapControlEvent e)

Forwards the event to the adapted remote DisplayMonitor.

Specified by:

controlChanged in interface ScalarMapListener

Parameters:

e - The ScalarMapEvent to forward.

controlChanged

public void controlChanged(ControlEvent e)
                    throws RemoteVisADException

Forwards the event to the adapted remote DisplayMonitor.

Specified by:

controlChanged in interface ControlListener

Parameters:

e - ControlEvent to forward

Throws:

RemoteVisADException - If there was an internal problem.

checkID

public int checkID(int id)
            throws java.rmi.RemoteException

Asks remote DisplayMonitor to check this ID for uniqueness.

Specified by:

checkID in interface DisplayMonitor

Parameters:

id - The identifier to check for uniqueness.

Throws:

java.rmi.RemoteException - If there was an RMI-related problem.

destroy

public void destroy()
             throws RemoteVisADException

destroy this monitor

Specified by:

destroy in interface DisplayMonitor

Throws:

RemoteVisADException

addListener

public void addListener(MonitorCallback l,
                        int id)
                 throws java.rmi.RemoteException,
                        RemoteVisADException

Adds this listener to the remote DisplayMonitor.

Specified by:

addListener in interface DisplayMonitor

Parameters:

l - The listener to add

id - The unique identifer (determined with checkID.)

Throws:

java.rmi.RemoteException - If there was an RMI-related problem.

RemoteVisADException - If there was an internal problem.

addListener

public void addListener(RemoteDisplay rd,
                        int id)
                 throws java.rmi.RemoteException,
                        RemoteVisADException

Adds this remote display to the remote DisplayMonitor.

Specified by:

addListener in interface DisplayMonitor

Parameters:

rd - The remote display to add

id - The unique identifer (determined with checkID.)

Throws:

java.rmi.RemoteException - If there was an RMI-related problem.

RemoteVisADException - If there was an internal problem.

addRemoteListener

public void addRemoteListener(RemoteDisplay rd)
                       throws java.rmi.RemoteException,
                              RemoteVisADException

Unusable stub. Cannot connect two RemoteDisplayMonitors.

Specified by:

addRemoteListener in interface DisplayMonitor

Parameters:

rd - Ignored.

Throws:

java.rmi.RemoteException - If there was an RMI-related problem.

RemoteVisADException - ALWAYS thrown.

getConnectionID

public int getConnectionID(RemoteDisplay rmtDpy)
                    throws java.rmi.RemoteException

Return the ID associated with the specified RemoteDisplay.

Specified by:

getConnectionID in interface DisplayMonitor

Returns:

UNKNOWN_LISTENER_ID if not found; otherwise, returns the ID.

Throws:

java.rmi.RemoteException

notifyListeners

public void notifyListeners(MonitorEvent evt)
                     throws RemoteVisADException

Forwards the event to the remote DisplayMonitor.

Specified by:

notifyListeners in interface DisplayMonitor

Parameters:

evt - The event to forward.

Throws:

RemoteVisADException - If there was an internal problem.

hasEventQueued

public boolean hasEventQueued(int originator,
                              Control ctl)
                       throws java.rmi.RemoteException

Unusable stub. Unimplemented.

Specified by:

hasEventQueued in interface DisplayMonitor

Parameters:

originator - Ignored.

ctl - Ignored.

Throws:

java.rmi.RemoteException - ALWAYS thrown.

isEmpty

public boolean isEmpty()
                throws java.rmi.RemoteException

Specified by:

isEmpty in interface DisplayMonitor

Throws:

java.rmi.RemoteException

hasEventQueued

public boolean hasEventQueued(Control ctl)
                       throws java.rmi.RemoteException

Unusable stub. Unimplemented.

Specified by:

hasEventQueued in interface DisplayMonitor

Parameters:

ctl - Ignored.

Throws:

java.rmi.RemoteException - ALWAYS thrown.

receiveMessage

public void receiveMessage(MessageEvent msg)
                    throws java.rmi.RemoteException

Handles MessageEvent forwarding.

Specified by:

receiveMessage in interface MessageListener

Parameters:

msg - The message to forward.

Throws:

java.rmi.RemoteException

setDisplaySync

public void setDisplaySync(DisplaySync sync)
                    throws java.rmi.RemoteException

Set the display synchronization object for this display

Specified by:

setDisplaySync in interface DisplayMonitor

Throws:

java.rmi.RemoteException

toString

public java.lang.String toString()

Returns a string representation of this object.

Overrides:

toString in class java.rmi.server.RemoteObject