org.lsst.ccs.subsystems.fcs

Class LoaderHook

java.lang.Object

org.lsst.ccs.subsystems.fcs.LoaderHook

public class LoaderHook
extends Object

This is the model for a single hook in the loader. Each one is checked in CLOSED and OPENED position by 2 sensors. These sensors have to give a consistent response otherwise the hook is in ERROR. There is 4 hooks in the loader to hold a filter.

Author:

virieux

Field Summary

Fields

Modifier and Type	Field and Description
protected Lock	lock
protected boolean	updatingState This is used when we update the latch state with the values returned by the sensors.

Constructor Summary

Constructors

Constructor and Description
LoaderHook(DigitalSensor closeSensor, DigitalSensor openSensor)

Method Summary

Modifier and Type	Method and Description
FcsEnumerations.LockStatus	getLockStatus()
String	toString()
void	updateState() This methods updates lockStatus from the values return by the sensors.

Methods inherited from class java.lang.Object

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

Field Detail

lock

protected final Lock lock

updatingState

protected volatile boolean updatingState

This is used when we update the latch state with the values returned by the sensors.

Constructor Detail

LoaderHook

public LoaderHook(DigitalSensor closeSensor,
                  DigitalSensor openSensor)

Method Detail

getLockStatus

public FcsEnumerations.LockStatus getLockStatus()

updateState

@Command(type=ACTION,
         level=1,
         description="Update state from sensors values.")
public void updateState()

This methods updates lockStatus from the values return by the sensors.

toString

@Command(type=QUERY,
         level=1,
         description="display sensors info")
public String toString()

Overrides:

toString in class Object