xal.extension.solver.solutionjudge

Class WorstObjectiveBiasedJudge

java.lang.Object

xal.extension.solver.solutionjudge.SolutionJudge

xal.extension.solver.solutionjudge.WorstObjectiveBiasedJudge

public class WorstObjectiveBiasedJudge
extends SolutionJudge

This judge weights the least satisfied objective most and each subsequent one half less than the prior one. Each objective satisfaction must be based on a range of 0 to 1.

Field Summary

Fields

Modifier and Type	Field and Description
protected double	_bestSatisfaction the current best satisfaction
protected java.util.List<Trial>	_optimalSolutions the current list of the most optimal solutions
protected double	_totalWeight used to normalize the total satisfaction to a scale of 0 to 1
protected double	BIAS_WEIGHT the bias weight

Fields inherited from class xal.extension.solver.solutionjudge.SolutionJudge

_eventProxy, _messageCenter

Constructor Summary

Constructors

Constructor and Description
WorstObjectiveBiasedJudge() Constructor
WorstObjectiveBiasedJudge(double biasWeight) Constructor

Method Summary

Modifier and Type	Method and Description
java.util.List<Trial>	getOptimalSolutions() Get the optimal solutions.
void	judge(Trial trial) Judge the trial.
void	reset() Reset the satisfaction sum judge.

Methods inherited from class xal.extension.solver.solutionjudge.SolutionJudge

addSolutionJudgeListener, getInstance, removeSolutionJudgeListener

Methods inherited from class java.lang.Object

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

Field Detail

BIAS_WEIGHT

protected final double BIAS_WEIGHT

the bias weight

_bestSatisfaction

protected double _bestSatisfaction

the current best satisfaction

_totalWeight

protected double _totalWeight

used to normalize the total satisfaction to a scale of 0 to 1

_optimalSolutions

protected java.util.List<Trial> _optimalSolutions

the current list of the most optimal solutions

Constructor Detail

WorstObjectiveBiasedJudge

public WorstObjectiveBiasedJudge()

Constructor

WorstObjectiveBiasedJudge

public WorstObjectiveBiasedJudge(double biasWeight)

Constructor

Method Detail

reset

public void reset()

Reset the satisfaction sum judge.

Specified by:

reset in class SolutionJudge

getOptimalSolutions

public java.util.List<Trial> getOptimalSolutions()

Get the optimal solutions.

Specified by:

getOptimalSolutions in class SolutionJudge

Returns:

a list of solutions

judge

public void judge(Trial trial)

Judge the trial.

Specified by:

judge in class SolutionJudge

Parameters:

trial - The trial with which to update the solution judge.