#region License Information
/* HeuristicLab
* Copyright (C) 2002-2011 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 HeuristicLab.Common;
using HeuristicLab.Core;
using HeuristicLab.Optimization;
using HeuristicLab.Parameters;
using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
namespace HeuristicLab.Problems.VehicleRouting.Encodings.Alba {
[Item("AlbaIntraRouteInversionMoveGenerator", "Generates intra route inversion moves from a given VRP encoding. It is implemented as described in Alba, E. and Dorronsoro, B. (2004). Solving the Vehicle Routing Problem by Using Cellular Genetic Algorithms.")]
[StorableClass]
public abstract class AlbaIntraRouteInversionMoveGenerator : AlbaMoveOperator, IExhaustiveMoveGenerator, IAlbaIntraRouteInversionMoveOperator {
public ILookupParameter IntraRouteInversionMoveParameter {
get { return (ILookupParameter)Parameters["AlbaIntraRouteInversionMove"]; }
}
protected ScopeParameter CurrentScopeParameter {
get { return (ScopeParameter)Parameters["CurrentScope"]; }
}
[StorableConstructor]
protected AlbaIntraRouteInversionMoveGenerator(bool deserializing) : base(deserializing) { }
protected AlbaIntraRouteInversionMoveGenerator(AlbaIntraRouteInversionMoveGenerator original, Cloner cloner) : base(original, cloner) { }
public AlbaIntraRouteInversionMoveGenerator()
: base() {
Parameters.Add(new LookupParameter("AlbaIntraRouteInversionMove", "The moves that should be generated in subscopes."));
Parameters.Add(new ScopeParameter("CurrentScope", "The current scope where the moves should be added as subscopes."));
}
protected abstract AlbaIntraRouteInversionMove[] GenerateMoves(AlbaEncoding individual);
public override IOperation Apply() {
IOperation next = base.Apply();
AlbaEncoding individual = VRPToursParameter.ActualValue as AlbaEncoding;
AlbaIntraRouteInversionMove[] moves = GenerateMoves(individual);
Scope[] moveScopes = new Scope[moves.Length];
for (int i = 0; i < moveScopes.Length; i++) {
moveScopes[i] = new Scope(i.ToString());
moveScopes[i].Variables.Add(new Variable(IntraRouteInversionMoveParameter.ActualName, moves[i]));
}
CurrentScopeParameter.ActualValue.SubScopes.AddRange(moveScopes);
return next;
}
}
}