org.drools.planner.core.localsearch.decider.acceptor.simulatedannealing
Class SimulatedAnnealingAcceptor

java.lang.Object
  org.drools.planner.core.solver.event.SolverLifecycleListenerAdapter
      org.drools.planner.core.localsearch.event.LocalSearchSolverPhaseLifecycleListenerAdapter
          org.drools.planner.core.localsearch.decider.acceptor.AbstractAcceptor
              org.drools.planner.core.localsearch.decider.acceptor.simulatedannealing.SimulatedAnnealingAcceptor

All Implemented Interfaces:

EventListener, Acceptor, LocalSearchSolverPhaseLifecycleListener, 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.drools.planner.core.localsearch.decider.acceptor.AbstractAcceptor

logger

Constructor Summary

SimulatedAnnealingAcceptor()

Method Summary

boolean	isAccepted(MoveScope moveScope)
void	phaseEnded(LocalSearchSolverPhaseScope localSearchSolverPhaseScope)
void	phaseStarted(LocalSearchSolverPhaseScope localSearchSolverPhaseScope)
void	setStartingTemperature(Score startingTemperature)
void	stepEnded(LocalSearchStepScope localSearchStepScope)

Methods inherited from class org.drools.planner.core.localsearch.event.LocalSearchSolverPhaseLifecycleListenerAdapter

stepStarted

Methods inherited from class org.drools.planner.core.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.drools.planner.core.localsearch.event.LocalSearchSolverPhaseLifecycleListener

stepStarted

Methods inherited from interface org.drools.planner.core.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(LocalSearchSolverPhaseScope localSearchSolverPhaseScope)

Specified by:

phaseStarted in interface LocalSearchSolverPhaseLifecycleListener

Overrides:

phaseStarted in class LocalSearchSolverPhaseLifecycleListenerAdapter

phaseEnded

public void phaseEnded(LocalSearchSolverPhaseScope localSearchSolverPhaseScope)

Specified by:

phaseEnded in interface LocalSearchSolverPhaseLifecycleListener

Overrides:

phaseEnded in class LocalSearchSolverPhaseLifecycleListenerAdapter

isAccepted

public boolean isAccepted(MoveScope moveScope)

Parameters:

moveScope - not null

Returns:

true if accepted

stepEnded

public void stepEnded(LocalSearchStepScope localSearchStepScope)

Specified by:

stepEnded in interface LocalSearchSolverPhaseLifecycleListener

Overrides:

stepEnded in class LocalSearchSolverPhaseLifecycleListenerAdapter