Package org.optaplanner.core.impl.localsearch.decider.acceptor.simulatedannealing

Class SimulatedAnnealingAcceptor

java.lang.Object

org.optaplanner.core.impl.solver.event.SolverLifecycleListenerAdapter<Solution_>

org.optaplanner.core.impl.localsearch.event.LocalSearchPhaseLifecycleListenerAdapter

org.optaplanner.core.impl.localsearch.decider.acceptor.AbstractAcceptor

org.optaplanner.core.impl.localsearch.decider.acceptor.simulatedannealing.SimulatedAnnealingAcceptor

All Implemented Interfaces:

EventListener, Acceptor, LocalSearchPhaseLifecycleListener, SolverLifecycleListener

public class SimulatedAnnealingAcceptor
extends AbstractAcceptor

The time gradient implementation of simulated annealing.

Field Summary

Fields

Modifier and Type	Field	Description
protected int	levelsLength
protected Score	startingTemperature
protected double[]	startingTemperatureLevels
protected double[]	temperatureLevels
protected double	temperatureMinimum

Fields inherited from class org.optaplanner.core.impl.localsearch.decider.acceptor.AbstractAcceptor

logger

Constructor Summary

Constructors

Constructor	Description
SimulatedAnnealingAcceptor()

Method Summary

Modifier and Type	Method	Description
boolean	isAccepted(LocalSearchMoveScope moveScope)
void	phaseEnded(LocalSearchPhaseScope phaseScope)
void	phaseStarted(LocalSearchPhaseScope phaseScope)
void	setStartingTemperature(Score startingTemperature)
void	stepStarted(LocalSearchStepScope stepScope)

Methods inherited from class org.optaplanner.core.impl.localsearch.event.LocalSearchPhaseLifecycleListenerAdapter

stepEnded

Methods inherited from class org.optaplanner.core.impl.solver.event.SolverLifecycleListenerAdapter

solvingEnded, solvingStarted

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.optaplanner.core.impl.localsearch.event.LocalSearchPhaseLifecycleListener

stepEnded

Methods inherited from interface org.optaplanner.core.impl.solver.event.SolverLifecycleListener

solvingEnded, solvingStarted

Field Detail

startingTemperature

protected Score startingTemperature

levelsLength

protected int levelsLength

startingTemperatureLevels

protected double[] startingTemperatureLevels

temperatureLevels

protected double[] temperatureLevels

temperatureMinimum

protected double temperatureMinimum

Constructor Detail

SimulatedAnnealingAcceptor

public SimulatedAnnealingAcceptor()

Method Detail

setStartingTemperature

public void setStartingTemperature(Score startingTemperature)

phaseStarted

public void phaseStarted(LocalSearchPhaseScope phaseScope)

Specified by:

phaseStarted in interface LocalSearchPhaseLifecycleListener

Overrides:

phaseStarted in class LocalSearchPhaseLifecycleListenerAdapter

phaseEnded

public void phaseEnded(LocalSearchPhaseScope phaseScope)

Specified by:

phaseEnded in interface LocalSearchPhaseLifecycleListener

Overrides:

phaseEnded in class LocalSearchPhaseLifecycleListenerAdapter

isAccepted

public boolean isAccepted(LocalSearchMoveScope moveScope)

Parameters:

moveScope - not null

Returns:

true if accepted

stepStarted

public void stepStarted(LocalSearchStepScope stepScope)

Specified by:

stepStarted in interface LocalSearchPhaseLifecycleListener

Overrides:

stepStarted in class LocalSearchPhaseLifecycleListenerAdapter