org.cpsolver.exam.heuristics

Class ExamSimulatedAnnealing.Context

java.lang.Object

org.cpsolver.exam.heuristics.ExamSimulatedAnnealing.Context

All Implemented Interfaces:

AssignmentContext

Enclosing class:

ExamSimulatedAnnealing

public class ExamSimulatedAnnealing.Context
extends Object
implements AssignmentContext

Constructor Summary

Constructors

Constructor and Description
Context()

Method Summary

Modifier and Type	Method and Description
protected void	accepted(double value) A neighbor with the given value was accepted.
protected void	activateIfNeeded()
protected void	bestSaved(Solution<Exam,ExamPlacement> solution) Memorize the iteration when the last best solution was found.
protected void	cool(Solution<Exam,ExamPlacement> solution) Cool temperature
protected void	incIter(Solution<Exam,ExamPlacement> solution) Increment iteration counter, cool/reheat/restoreBest if necessary
protected void	incMoves(double value)
protected double	prob(double value) Neighbour acceptance probability
protected void	reheat(Solution<Exam,ExamPlacement> solution) Reheat temperature
protected void	reset()

Methods inherited from class java.lang.Object

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

Constructor Detail

Context

public Context()

Method Detail

incIter

protected void incIter(Solution<Exam,ExamPlacement> solution)

Increment iteration counter, cool/reheat/restoreBest if necessary

Parameters:

solution - current solution

cool

protected void cool(Solution<Exam,ExamPlacement> solution)

Cool temperature

Parameters:

solution - current solution

reheat

protected void reheat(Solution<Exam,ExamPlacement> solution)

Reheat temperature

Parameters:

solution - current solution

bestSaved

protected void bestSaved(Solution<Exam,ExamPlacement> solution)

Memorize the iteration when the last best solution was found.

Parameters:

solution - current solution

prob

protected double prob(double value)

Neighbour acceptance probability

Parameters:

value - absolute or relative value of the proposed change (neighbour)

Returns:

probability of acceptance of a change (neighbour)

accepted

protected void accepted(double value)

A neighbor with the given value was accepted.

Parameters:

value - change in the solution value

activateIfNeeded

protected void activateIfNeeded()

incMoves

protected void incMoves(double value)

reset

protected void reset()