org.lsst.ccs.subsystem.utility

Class WeightedAverageChannel

java.lang.Object

org.lsst.ccs.monitor.Channel

org.lsst.ccs.monitor.DerivedChannel

org.lsst.ccs.subsystem.utility.WeightedAverageChannel

All Implemented Interfaces:

org.lsst.ccs.framework.HasLifecycle

public class WeightedAverageChannel
extends org.lsst.ccs.monitor.DerivedChannel

A derived channel to calculate the weighted average of a set of channels

Author:

The LSST CCS Team

Field Summary

Fields inherited from class org.lsst.ccs.monitor.Channel

alarmHi, alarmHiA, alarmLo, alarmLoA, checkHi, checkLo, dbandHi, dbandLo, description, devcName, doNotTrend, format, hwChan, limitHi, limitLo, offset, pageId, resetHi, resetLo, scale, subtype, type, TYPE_DIFF, TYPE_POWER, TYPE_PROD, TYPE_QUOT, TYPE_SUM, TYPE_SWITCH, TYPE_TEMP, TYPE_UNKNOWN, TYPE_VOLTS, typeI, units

Constructor Summary

Constructors

Constructor and Description
WeightedAverageChannel()

Method Summary

Modifier and Type	Method and Description
double	evaluateDerivedValue()
Map<String,Double>	getChannelWeights()
void	init()
void	setChannelWeight(String name, double weight)

Methods inherited from class org.lsst.ccs.monitor.Channel

convertRawValue, enableAlarm, getAlarmNameHi, getAlarmNameLo, getDbandHi, getDbandLo, getDescription, getDevice, getFormat, getGroup, getLastMeasurement, getLimitHi, getLimitLo, getName, getPageId, getPath, getType, getTypeStr, getUnits, getValue, readValue, setDbandHi, setDbandLo, setLimitHi, setLimitLo, setValid

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.lsst.ccs.framework.HasLifecycle

build, postBuild, postInit, postShutdown, postStart, shutdown, start

Constructor Detail

WeightedAverageChannel

public WeightedAverageChannel()

Method Detail

init

public void init()

Specified by:

init in interface org.lsst.ccs.framework.HasLifecycle

Overrides:

init in class org.lsst.ccs.monitor.Channel

evaluateDerivedValue

public double evaluateDerivedValue()

Specified by:

evaluateDerivedValue in class org.lsst.ccs.monitor.DerivedChannel

getChannelWeights

@Command(type=QUERY,
         description="Get the channel weights",
         level=0)
public Map<String,Double> getChannelWeights()

setChannelWeight

@Command(type=ACTION,
         description="Set a channel weight")
public void setChannelWeight(@Argument(description="Channel name")
                                                                                                String name,
                                                                                                @Argument(description="Channel weight")
                                                                                                double weight)
                                                                                         throws UtilityException

Throws:

UtilityException