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

java.lang.Object
  org.optaplanner.core.impl.solver.event.SolverLifecycleListenerAdapter
      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

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

SimulatedAnnealingAcceptor()

Method Summary

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