protected PotvinVehicleAssignmentMoveAttribute(PotvinVehicleAssignmentMoveAttribute original, Cloner cloner)
: base(original, cloner) {
this.Tour = original.Tour;
this.Vehicle = original.Vehicle;
this.Distance = original.Distance;
this.Overload = original.Overload;
this.Tardiness = original.Tardiness;
}
protected PotvinVehicleAssignmentMoveAttribute(PotvinVehicleAssignmentMoveAttribute original, Cloner cloner)
: base(original, cloner)
{
this.Tour = original.Tour;
this.Vehicle = original.Vehicle;
this.Distance = original.Distance;
this.Overload = original.Overload;
this.Tardiness = original.Tardiness;
}
public override bool Equals(object obj)
{
if (obj is PotvinVehicleAssignmentMoveAttribute)
{
PotvinVehicleAssignmentMoveAttribute other = obj as PotvinVehicleAssignmentMoveAttribute;
return(Tour == other.Tour && Vehicle == other.Vehicle);
}
else
{
return(base.Equals(obj));
}
}
public override IOperation Apply()
{
ItemList <IItem> tabuList = TabuListParameter.ActualValue;
double moveQuality = MoveQualityParameter.ActualValue.Value;
bool useAspiration = UseAspirationCriterion.Value;
bool isTabu = false;
PotvinVehicleAssignmentMove move = VehicleAssignmentMoveParameter.ActualValue;
foreach (IItem tabuMove in tabuList)
{
PotvinVehicleAssignmentMoveAttribute attribute = tabuMove as PotvinVehicleAssignmentMoveAttribute;
if (attribute != null)
{
double distance = 0;
if (MoveDistanceParameter.ActualValue != null)
{
distance = MoveDistanceParameter.ActualValue.Value;
}
double overload = 0;
if (MoveOverloadParameter.ActualValue != null)
{
overload = MoveOverloadParameter.ActualValue.Value;
}
double tardiness = 0;
if (MoveTardinessParameter.ActualValue != null)
{
tardiness = MoveTardinessParameter.ActualValue.Value;
}
IVRPProblemInstance instance = ProblemInstanceParameter.ActualValue;
double quality = attribute.Distance * instance.DistanceFactor.Value;
IHomogenousCapacitatedProblemInstance cvrp = instance as IHomogenousCapacitatedProblemInstance;
if (cvrp != null)
{
quality += attribute.Overload * cvrp.OverloadPenalty.Value;
}
ITimeWindowedProblemInstance vrptw = instance as ITimeWindowedProblemInstance;
if (vrptw != null)
{
quality += attribute.Tardiness * vrptw.TardinessPenalty.Value;
}
if (!useAspiration || moveQuality >= quality)
{
if (attribute.Tour == move.Tour1 && attribute.Vehicle == move.Individual.GetVehicleAssignment(move.Tour2))
{
isTabu = true;
break;
}
if (attribute.Tour == move.Tour2 && attribute.Vehicle == move.Individual.GetVehicleAssignment(move.Tour1))
{
isTabu = true;
break;
}
if (attribute.Distance == distance && attribute.Overload == overload && attribute.Tardiness == tardiness)
{
isTabu = true;
break;
}
}
}
}
MoveTabuParameter.ActualValue = new BoolValue(isTabu);
return(base.Apply());
}