#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.Data;
using HeuristicLab.Optimization;
using HeuristicLab.Parameters;
using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
namespace HeuristicLab.Problems.VehicleRouting.Encodings.Alba {
[Item("AlbaStochasticIntraRouteInversionMultiMoveGenerator", "Generates multiple random 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 sealed class AlbaStochasticIntraRouteInversionMultiMoveGenerator : AlbaIntraRouteInversionMoveGenerator, IStochasticOperator, IMultiMoveGenerator, IAlbaIntraRouteInversionMoveOperator {
public ILookupParameter RandomParameter {
get { return (ILookupParameter)Parameters["Random"]; }
}
public IValueLookupParameter SampleSizeParameter {
get { return (IValueLookupParameter)Parameters["SampleSize"]; }
}
[StorableConstructor]
private AlbaStochasticIntraRouteInversionMultiMoveGenerator(bool deserializing) : base(deserializing) { }
private AlbaStochasticIntraRouteInversionMultiMoveGenerator(AlbaStochasticIntraRouteInversionMultiMoveGenerator original, Cloner cloner) : base(original, cloner) { }
public AlbaStochasticIntraRouteInversionMultiMoveGenerator()
: base() {
Parameters.Add(new LookupParameter("Random", "The random number generator."));
Parameters.Add(new ValueLookupParameter("SampleSize", "The number of moves to generate."));
}
public override IDeepCloneable Clone(Cloner cloner) {
return new AlbaStochasticIntraRouteInversionMultiMoveGenerator(this, cloner);
}
protected override AlbaIntraRouteInversionMove[] GenerateMoves(AlbaEncoding individual) {
int sampleSize = SampleSizeParameter.ActualValue.Value;
AlbaIntraRouteInversionMove[] moves = new AlbaIntraRouteInversionMove[sampleSize];
for (int i = 0; i < sampleSize; i++) {
moves[i] = AlbaStochasticIntraRouteInversionSingleMoveGenerator.Apply(
individual, Cities, RandomParameter.ActualValue);
}
return moves;
}
}
}