Package adams.data.evaluator.instance

Class NullEvaluator

java.lang.Object

adams.core.logging.LoggingObject

adams.core.logging.CustomLoggingLevelObject

adams.core.option.AbstractOptionHandler

adams.data.evaluator.instance.AbstractEvaluator

adams.data.evaluator.instance.NullEvaluator

All Implemented Interfaces:

adams.core.CleanUpHandler, adams.core.Destroyable, adams.core.GlobalInfoSupporter, adams.core.logging.LoggingLevelHandler, adams.core.logging.LoggingSupporter, adams.core.option.OptionHandler, adams.core.ShallowCopySupporter<Evaluator>, adams.core.SizeOfHandler, Evaluator, Serializable, Comparable

public class NullEvaluator
extends AbstractEvaluator

Dummy evaluator, which always return 1.0 as evaluation result.

Valid options are:

-D <int> (property: debugLevel)
    The greater the number the more additional info the scheme may output to
    the console (0 = off).
    default: 0
    minimum: 0
 

Version:

$Revision: 2242 $

Author:

fracpete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

Fields inherited from class adams.data.evaluator.instance.AbstractEvaluator

DEFAULT_METRIC, m_MissingEvaluation

Fields inherited from class adams.core.option.AbstractOptionHandler

m_OptionManager

Fields inherited from class adams.core.logging.LoggingObject

m_Logger, m_LoggingIsEnabled, m_LoggingLevel

Constructor Summary

Constructors

Constructor	Description
NullEvaluator()

Method Summary

Modifier and Type	Method	Description
void	cleanUp()	Cleans up data structures, frees up memory.
protected float	getDefaultMissingEvaluation()	Returns the default value in case of missing evaluations.
String	globalInfo()	Returns a string describing the object.
protected boolean	performBuild(weka.core.Instances data)	Builds the evaluator.
protected Float	performEvaluate(weka.core.Instance data)	Performs the actual evaluation.

Methods inherited from class adams.data.evaluator.instance.AbstractEvaluator

build, compareTo, defineOptions, equals, evaluate, forCommandLine, forName, getEvaluators, getMissingEvaluation, missingEvaluationTipText, performMultiEvaluate, preCheck, preCheck, setMissingEvaluation, shallowCopy, shallowCopy

Methods inherited from class adams.core.option.AbstractOptionHandler

cleanUpOptions, destroy, finishInit, getDefaultLoggingLevel, getOptionManager, initialize, loggingLevelTipText, newOptionManager, reset, setLoggingLevel, toCommandLine, toString

Methods inherited from class adams.core.logging.LoggingObject

configureLogger, getLogger, getLoggingLevel, initializeLogging, isLoggingEnabled, sizeOf

Methods inherited from class java.lang.Object

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

Methods inherited from interface adams.core.Destroyable

destroy

Methods inherited from interface adams.core.logging.LoggingLevelHandler

getLoggingLevel

Methods inherited from interface adams.core.option.OptionHandler

cleanUpOptions, getOptionManager, toCommandLine

Constructor Detail

NullEvaluator

public NullEvaluator()

Method Detail

globalInfo

public String globalInfo()

Returns a string describing the object.

Specified by:

globalInfo in interface adams.core.GlobalInfoSupporter

Specified by:

globalInfo in class adams.core.option.AbstractOptionHandler

Returns:

a description suitable for displaying in the gui

getDefaultMissingEvaluation

protected float getDefaultMissingEvaluation()

Returns the default value in case of missing evaluations.

Specified by:

getDefaultMissingEvaluation in class AbstractEvaluator

Returns:

the default value

performEvaluate

protected Float performEvaluate(weka.core.Instance data)

Performs the actual evaluation.

Overrides:

performEvaluate in class AbstractEvaluator

Parameters:

data - the instance to check

Returns:

always 1.0

performBuild

protected boolean performBuild(weka.core.Instances data)

Builds the evaluator.

Specified by:

performBuild in class AbstractEvaluator

Parameters:

data - the instance to check

Returns:

always true

cleanUp

public void cleanUp()

Cleans up data structures, frees up memory.