edu.indiana.iucbrf.retrieval
Class RisingThresholdRetrieval

java.lang.Object
  edu.indiana.iucbrf.retrieval.AbstractRetrieval
      edu.indiana.iucbrf.retrieval.ThresholdRetrieval
          edu.indiana.iucbrf.retrieval.RisingThresholdRetrieval

All Implemented Interfaces:

Retrieval, java.io.Serializable

public class RisingThresholdRetrieval
extends ThresholdRetrieval

Title:

Description: The same as ThresholdRetrieval, except, if a retrieval yields 0 cases, then the current threshold is set to multiplier*baseThreshold.

Copyright: Copyright (c) 2005

Company:

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class edu.indiana.iucbrf.retrieval.ThresholdRetrieval

ThresholdRetrieval.ThresholdConditionsChecker

Field Summary

protected double	baseThreshold
protected double	multiplier
protected double	recentActualThreshold

Fields inherited from class edu.indiana.iucbrf.retrieval.AbstractRetrieval

conditionsChecker, debugMode, problemDifferentiator

Constructor Summary

protected	RisingThresholdRetrieval()
	RisingThresholdRetrieval(Domain domain, double threshold, double multiplier)
	RisingThresholdRetrieval(ProblemDifferentiator problemDifferentiator, double threshold, double multiplier) Creates a new instance of ThresholdRetrieval

Method Summary

RetrievalResults	getNearest(CaseBase CB, Problem p, Context currentContext, java.util.Collection indicesToUse) Gets the Case(s) in the case base most similar to a.
RetrievalResults	getNearest(java.util.Iterator caseIter, Problem p, Context currentContext)
RetrievalResults	getNearest(java.util.Iterator caseIter, Problem p, Context currentContext, java.util.Collection indicesToUse)
RetrievalResults	getNearestRec(CaseBase CB, Problem p, Context currentContext, java.util.Collection indicesToUse)
double	getRecentActualThreshold()
protected void	resetThreshold()
void	setMultiplier(double multiplier)
void	setParams(java.lang.Object[] params)
protected void	temporaryIncreaseThreshold()

Methods inherited from class edu.indiana.iucbrf.retrieval.ThresholdRetrieval

getThreshold, setThreshold

Methods inherited from class edu.indiana.iucbrf.retrieval.AbstractRetrieval

getConditionsChecker, getDebugMode, getNearest, getProblemDifferentiator, handleDebugMode, setConditionsChecker, setDebugMode, setProblemDifferentiator

Methods inherited from class java.lang.Object

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

Field Detail

multiplier

protected double multiplier

baseThreshold

protected double baseThreshold

recentActualThreshold

protected double recentActualThreshold

Constructor Detail

RisingThresholdRetrieval

protected RisingThresholdRetrieval()

RisingThresholdRetrieval

public RisingThresholdRetrieval(Domain domain,
                                double threshold,
                                double multiplier)

RisingThresholdRetrieval

public RisingThresholdRetrieval(ProblemDifferentiator problemDifferentiator,
                                double threshold,
                                double multiplier)

Creates a new instance of ThresholdRetrieval

Method Detail

setParams

public void setParams(java.lang.Object[] params)

Specified by:

setParams in interface Retrieval

Overrides:

setParams in class ThresholdRetrieval

setMultiplier

public void setMultiplier(double multiplier)

temporaryIncreaseThreshold

protected void temporaryIncreaseThreshold()

resetThreshold

protected void resetThreshold()

getRecentActualThreshold

public double getRecentActualThreshold()

getNearest

public RetrievalResults getNearest(CaseBase CB,
                                   Problem p,
                                   Context currentContext,
                                   java.util.Collection indicesToUse)

Gets the Case(s) in the case base most similar to a.

Specified by:

getNearest in interface Retrieval

Overrides:

getNearest in class AbstractRetrieval

Parameters:

CB - The case base

p - The problem

getNearest

public RetrievalResults getNearest(java.util.Iterator caseIter,
                                   Problem p,
                                   Context currentContext)

Specified by:

getNearest in interface Retrieval

Overrides:

getNearest in class AbstractRetrieval

getNearest

public RetrievalResults getNearest(java.util.Iterator caseIter,
                                   Problem p,
                                   Context currentContext,
                                   java.util.Collection indicesToUse)

Specified by:

getNearest in interface Retrieval

Overrides:

getNearest in class AbstractRetrieval

getNearestRec

public RetrievalResults getNearestRec(CaseBase CB,
                                      Problem p,
                                      Context currentContext,
                                      java.util.Collection indicesToUse)