Package Products :: Package ZenModel :: Module ThresholdInstance :: Class RRDThresholdInstance

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Class RRDThresholdInstance

  twisted.spread.pb.Copyable --+    
                               |    
twisted.spread.pb.RemoteCopy --+    
                               |    
               ThresholdInstance --+
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                                  RRDThresholdInstance

Known Subclasses:

Instance Methods

__init__(self, id, context, dpNames, eventClass, severity)

source code

name(self)
return the name of this threshold (from the ThresholdClass)

source code

context(self)
Return an identifying context (device, or device and component)

source code

dataPoints(self)
Returns the names of the datapoints used to compute the threshold

source code

check(self, dataPoints)
The given datapoints have been updated, so re-evaluate.

source code

checkRaw(self, dataPoint, timeOf, value)
A new datapoint has been collected, use the given _raw_ value to re-evalue the threshold.

source code

_getRRDType(self, dp)
get and cache rrd type inforomation

source code

_fetchLastValue(self, dp, cycleTime)
Fetch the most recent value for a data point from the RRD file.

source code

_checkImpl(self, dataPoint, value)

source code

Inherited from ThresholdInstance: getGraphElements, key

Class Variables

Inherited from ThresholdInstance: count

Method Details

name(self)

return the name of this threshold (from the ThresholdClass)

Overrides: ThresholdInstance.name

context(self)

Return an identifying context (device, or device and component)

Overrides: ThresholdInstance.context

dataPoints(self)

Returns the names of the datapoints used to compute the threshold

Overrides: ThresholdInstance.dataPoints

check(self, dataPoints)

The given datapoints have been updated, so re-evaluate. returns events or an empty sequence

Overrides: ThresholdInstance.check

checkRaw(self, dataPoint, timeOf, value)

A new datapoint has been collected, use the given _raw_ value to re-evalue the threshold.

Overrides: ThresholdInstance.checkRaw