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

java.lang.Object
  extended by org.drools.planner.core.localsearch.event.LocalSearchSolverPhaseLifecycleListenerAdapter
      extended by org.drools.planner.core.localsearch.decider.acceptor.AbstractAcceptor
          extended by org.drools.planner.core.localsearch.decider.acceptor.simulatedannealing.SimulatedAnnealingAcceptor
All Implemented Interfaces:
EventListener, Acceptor, LocalSearchSolverPhaseLifecycleListener

public class SimulatedAnnealingAcceptor
extends AbstractAcceptor

The time gradient implementation of simulated annealing.


Field Summary
protected  int partsLength
           
protected  Score startingTemperature
           
protected  double[] startingTemperatureParts
           
protected  double temperatureMinimum
           
protected  double[] temperatureParts
           
 
Fields inherited from class org.drools.planner.core.localsearch.decider.acceptor.AbstractAcceptor
logger
 
Constructor Summary
SimulatedAnnealingAcceptor()
           
 
Method Summary
 boolean isAccepted(MoveScope moveScope)
           
 void phaseStarted(LocalSearchSolverPhaseScope localSearchSolverPhaseScope)
           
 void setStartingTemperature(Score startingTemperature)
           
 void stepTaken(LocalSearchStepScope localSearchStepScope)
           
 
Methods inherited from class org.drools.planner.core.localsearch.event.LocalSearchSolverPhaseLifecycleListenerAdapter
beforeDeciding, phaseEnded
 
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
beforeDeciding, phaseEnded
 

Field Detail

startingTemperature

protected Score startingTemperature

partsLength

protected int partsLength

startingTemperatureParts

protected double[] startingTemperatureParts

temperatureParts

protected double[] temperatureParts

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

isAccepted

public boolean isAccepted(MoveScope moveScope)
Parameters:
moveScope - not null
Returns:
true if accepted

stepTaken

public void stepTaken(LocalSearchStepScope localSearchStepScope)
Specified by:
stepTaken in interface LocalSearchSolverPhaseLifecycleListener
Overrides:
stepTaken in class LocalSearchSolverPhaseLifecycleListenerAdapter


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