org.lsst.ccs.drivers.ads

Class VarHandleTracker

java.lang.Object

org.lsst.ccs.drivers.ads.VarHandleTracker

public class VarHandleTracker
extends Object

Contains all Instances of VariableHandle in use by the ADS driver. Any instance may be found at any time by using its variable name. If notification is in effect for the VariableHandle then it may be found using the notification handle and that handle may be found using the VariableHandle instance. Removing a VariableHandle will remove the associations between it and its name and any notification handle.

Author:

tether

Constructor Summary

Constructors

Constructor and Description
VarHandleTracker() The set of VariableHandles is initially empty.

Method Summary

Modifier and Type	Method and Description
void	add(VariableHandle newvh)
void	addNotification(VariableHandle vh, int nh)
void	clear()
VariableHandle	getByName(String name)
VariableHandle	getByNotification(Integer nh)
Integer	getNotification(VariableHandle vh)
boolean	isValid(VariableHandle vh)
void	remove(VariableHandle vh)
Integer	removeNotification(VariableHandle vh)

Methods inherited from class java.lang.Object

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

Constructor Detail

VarHandleTracker

public VarHandleTracker()

The set of VariableHandles is initially empty.

Method Detail

add

public void add(VariableHandle newvh)

isValid

public boolean isValid(VariableHandle vh)

remove

public void remove(VariableHandle vh)

clear

public void clear()

getByName

public VariableHandle getByName(String name)

addNotification

public void addNotification(VariableHandle vh,
                            int nh)

getNotification

public Integer getNotification(VariableHandle vh)

getByNotification

public VariableHandle getByNotification(Integer nh)

removeNotification

public Integer removeNotification(VariableHandle vh)