xal.extension.solver.solutionjudge

Class SolutionJudge

java.lang.Object

xal.extension.solver.solutionjudge.SolutionJudge

Direct Known Subclasses:

ParetoOptimalJudge, SatisfactionSumJudge, WorstObjectiveBiasedJudge

public abstract class SolutionJudge
extends java.lang.Object

SolutionJudge decides whether the latest scored solution is an optimal solution. In many casses only one solution can be the optimal solution at any time. In other cases, there may be a surface of optimal solutions at any time.

Field Summary

Fields

Modifier and Type	Field and Description
protected SolutionJudgeListener	_eventProxy proxy which forwards events to registed listeners
protected MessageCenter	_messageCenter message center for dispatching events to registered listeners

Constructor Summary

Constructors

Constructor and Description
SolutionJudge() Creates a new instance of SolutionJudge

Method Summary

Modifier and Type	Method and Description
void	addSolutionJudgeListener(SolutionJudgeListener aListener) Add a solution judge listener.
static SolutionJudge	getInstance() Get the default solution judge.
abstract java.util.List<Trial>	getOptimalSolutions() Get the optimal solutions.
abstract void	judge(Trial trial) Judge the trial.
void	removeSolutionJudgeListener(SolutionJudgeListener aListener) Remove a solution judge listener.
abstract void	reset() Reset the solution judge.

Methods inherited from class java.lang.Object

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

Field Detail

_messageCenter

protected MessageCenter _messageCenter

message center for dispatching events to registered listeners

_eventProxy

protected SolutionJudgeListener _eventProxy

proxy which forwards events to registed listeners

Constructor Detail

SolutionJudge

public SolutionJudge()

Creates a new instance of SolutionJudge

Method Detail

getInstance

public static SolutionJudge getInstance()

Get the default solution judge.

Returns:

the worst objective biased judge

reset

public abstract void reset()

Reset the solution judge.

addSolutionJudgeListener

public void addSolutionJudgeListener(SolutionJudgeListener aListener)

Add a solution judge listener.

Parameters:

aListener - The listener to add.

removeSolutionJudgeListener

public void removeSolutionJudgeListener(SolutionJudgeListener aListener)

Remove a solution judge listener.

Parameters:

aListener - The listener to remove.

getOptimalSolutions

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

Get the optimal solutions.

Returns:

A list of solutions.

judge

public abstract void judge(Trial trial)

Judge the trial.

Parameters:

trial - The trial to update the solution judge with.