org.lsst.ccs.subsystem.shutter.gui

Class Dispatcher

java.lang.Object

org.lsst.ccs.subsystem.shutter.gui.Dispatcher

All Implemented Interfaces:

PageActions

public class Dispatcher
extends Object
implements PageActions

Queues GUI actions and dispatches them to an adjustable list of objects that implement the PageActions interface. Thread-safe.

Author:

tether

Constructor Summary

Constructors

Constructor and Description
Dispatcher() Creates a new, inactive instance with an empty list of receivers.

Method Summary

Modifier and Type	Method and Description
void	addReceivers(PageActions... recv) Safely adds receivers to the list.
void	calibrate() Command the shutter worker to start a calibration.
void	center() Command the shutter worker to start centering the blade sets.
void	changeBrakeState(ShutterSide side, boolean brakeEngaged) Command the shutter to engage or release one of the blade set brakes.
void	closeShutter() Command the shutter worker to start closing the shutter.
void	connect() Connect to the CCS buses and check that the worker is online.
void	disconnect() Disconnect from the CCS buses.
void	openShutter() Command the shutter worker to start opening the shutter.
void	prodMode() Command the shutter worker to go into production mode.
void	resync() Command the shutter worker to resynchronize its state with that of the shutter controller.
void	setWorkerName(String workerName) Sets the name of the target worker subsystem.
void	showStateBundle(PhysicalState phys, SoftwareState soft) Update the display of worker state bundle elements.
void	showStatus(ShutterStatus status) Update displays according to the latest ShutterStatus message received
void	showTrajectory(MotionDone motion) Update displays using the latest MotionDone message received.
void	showWorkerIsReachable() Show that we're connected to the buses and that the worker is online.
void	showWorkerIsUnreachable(String message) Show that the worker subsystem can't be communicated with.
void	stopMotion() Command the shutter worker to stop all blade set motion and reset the controller.
void	takeExposure(double exposureTime) Command the shutter worker to start taking an exposure.
void	toggleSafetyCheck() Command the shutter to toggle the setting of the safety check flag.

Methods inherited from class java.lang.Object

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

Constructor Detail

Dispatcher

public Dispatcher()

Creates a new, inactive instance with an empty list of receivers.

Method Detail

addReceivers

public void addReceivers(PageActions... recv)

Safely adds receivers to the list.

Parameters:

recv - the objects which will receive dispatched plugin actions.

takeExposure

public void takeExposure(double exposureTime)

Description copied from interface: PageActions

Command the shutter worker to start taking an exposure.

Specified by:

takeExposure in interface PageActions

Parameters:

exposureTime - The exposure time in seconds.

showTrajectory

public void showTrajectory(MotionDone motion)

Description copied from interface: PageActions

Update displays using the latest MotionDone message received.

Specified by:

showTrajectory in interface PageActions

Parameters:

motion - The MotionDone message.

showWorkerIsUnreachable

public void showWorkerIsUnreachable(String message)

Description copied from interface: PageActions

Show that the worker subsystem can't be communicated with. It could be that we can't connect to the buses, that the worker isn't online or that the worker is unresponsive..

Specified by:

showWorkerIsUnreachable in interface PageActions

Parameters:

message - A short message describing the problem.

showWorkerIsReachable

public void showWorkerIsReachable()

Description copied from interface: PageActions

Show that we're connected to the buses and that the worker is online.

Specified by:

showWorkerIsReachable in interface PageActions

showStatus

public void showStatus(ShutterStatus status)

Description copied from interface: PageActions

Update displays according to the latest ShutterStatus message received

Specified by:

showStatus in interface PageActions

Parameters:

status - The ShutterStatus message.

showStateBundle

public void showStateBundle(PhysicalState phys,
                            SoftwareState soft)

Description copied from interface: PageActions

Update the display of worker state bundle elements.

Specified by:

showStateBundle in interface PageActions

Parameters:

phys - The PhysicalState value to display.

soft - The SoftwareState value to display.

openShutter

public void openShutter()

Description copied from interface: PageActions

Command the shutter worker to start opening the shutter.

Specified by:

openShutter in interface PageActions

disconnect

public void disconnect()

Description copied from interface: PageActions

Disconnect from the CCS buses.

Specified by:

disconnect in interface PageActions

connect

public void connect()

Description copied from interface: PageActions

Connect to the CCS buses and check that the worker is online.

Specified by:

connect in interface PageActions

closeShutter

public void closeShutter()

Description copied from interface: PageActions

Command the shutter worker to start closing the shutter.

Specified by:

closeShutter in interface PageActions

changeBrakeState

public void changeBrakeState(ShutterSide side,
                             boolean brakeEngaged)

Description copied from interface: PageActions

Command the shutter to engage or release one of the blade set brakes.

Specified by:

changeBrakeState in interface PageActions

Parameters:

side - The blade set to be affected.

brakeEngaged - True if the brake is to be engaged, else false.

stopMotion

public void stopMotion()

Description copied from interface: PageActions

Command the shutter worker to stop all blade set motion and reset the controller.

Specified by:

stopMotion in interface PageActions

resync

public void resync()

Description copied from interface: PageActions

Command the shutter worker to resynchronize its state with that of the shutter controller.

Specified by:

resync in interface PageActions

prodMode

public void prodMode()

Description copied from interface: PageActions

Command the shutter worker to go into production mode.

Specified by:

prodMode in interface PageActions

center

public void center()

Description copied from interface: PageActions

Command the shutter worker to start centering the blade sets.

Specified by:

center in interface PageActions

calibrate

public void calibrate()

Description copied from interface: PageActions

Command the shutter worker to start a calibration.

Specified by:

calibrate in interface PageActions

toggleSafetyCheck

public void toggleSafetyCheck()

Description copied from interface: PageActions

Command the shutter to toggle the setting of the safety check flag.

Specified by:

toggleSafetyCheck in interface PageActions

setWorkerName

public void setWorkerName(String workerName)

Description copied from interface: PageActions

Sets the name of the target worker subsystem.

Specified by:

setWorkerName in interface PageActions

Parameters:

workerName - the name of the worker subsystem.