#region License Information
/* HeuristicLab
* Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
*
* This file is part of HeuristicLab.
*
* HeuristicLab is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* HeuristicLab is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with HeuristicLab. If not, see .
*/
#endregion
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
using HeuristicLab.Core;
using HeuristicLab.Optimization;
using HeuristicLab.Data;
using HeuristicLab.Parameters;
using HeuristicLab.Problems.VehicleRouting.Interfaces;
using HeuristicLab.Common;
namespace HeuristicLab.Problems.VehicleRouting.Encodings.General {
[Item("VRPMoveMaker", "Performs a VRP move.")]
[StorableClass]
public abstract class VRPMoveMaker : VRPMoveOperator, IMoveMaker {
public ILookupParameter QualityParameter {
get { return (ILookupParameter)Parameters["Quality"]; }
}
public ILookupParameter MoveQualityParameter {
get { return (ILookupParameter)Parameters["MoveQuality"]; }
}
public ILookupParameter MovePenaltyParameter {
get { return (ILookupParameter)Parameters["MovePenalty"]; }
}
[StorableConstructor]
protected VRPMoveMaker(bool deserializing) : base(deserializing) { }
public VRPMoveMaker()
: base() {
Parameters.Add(new LookupParameter("Quality", "The quality of the solution."));
Parameters.Add(new LookupParameter("MoveQuality", "The relative quality of the move."));
Parameters.Add(new LookupParameter("MovePenalty", "The penalty applied to the move."));
}
protected VRPMoveMaker(VRPMoveMaker original, Cloner cloner)
: base(original, cloner) {
}
protected abstract void PerformMove();
private void UpdateMoveEvaluation() {
IVRPEvaluator evaluator = ProblemInstance.EvaluatorParameter.Value;
ICollection addedParameters = new List();
try {
foreach (IParameter parameter in evaluator.Parameters) {
if (parameter is ILookupParameter
&& parameter != evaluator.VRPToursParameter
&& parameter != evaluator.ProblemInstanceParameter) {
ILookupParameter evaluatorParameter = parameter as ILookupParameter;
string resultName = evaluatorParameter.ActualName;
if (!this.Parameters.ContainsKey(resultName)) {
ILookupParameter resultParameter = new LookupParameter(resultName);
resultParameter.ExecutionContext = ExecutionContext;
this.Parameters.Add(resultParameter);
addedParameters.Add(resultParameter);
}
string moveResultName = VRPMoveEvaluator.MovePrefix + resultName;
if (!this.Parameters.ContainsKey(moveResultName)) {
ILookupParameter moveResultParameter = new LookupParameter(moveResultName);
moveResultParameter.ExecutionContext = ExecutionContext;
this.Parameters.Add(moveResultParameter);
addedParameters.Add(moveResultParameter);
}
ILookupParameter result = Parameters[resultName] as ILookupParameter;
ILookupParameter moveResult = Parameters[moveResultName] as ILookupParameter;
result.ActualValue = moveResult.ActualValue;
}
}
}
finally {
foreach(IParameter parameter in addedParameters) {
this.Parameters.Remove(parameter);
}
}
}
public override IOperation Apply() {
PerformMove();
UpdateMoveEvaluation();
return base.Apply();
}
}
}