source: branches/Scheduling/HeuristicLab.Encodings.SchedulingEncoding/3.3/PermutationWithRepetition/Manipulators/PWRUniformOnePositionManipulator.cs @ 6294

#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
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 * 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 <http://www.gnu.org/licenses/>.
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#endregion

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
using HeuristicLab.Core;
using HeuristicLab.Common;
using HeuristicLab.Data;
using HeuristicLab.Encodings.IntegerVectorEncoding;

namespace HeuristicLab.Encodings.SchedulingEncoding.PermutationWithRepetition.Manipulators {

  [Item("PWR Uniform One Position Manipulator", "Represents a manipulation operation inserting parts of the individual at another position.")]
  [StorableClass]
  public class PWRUniformOnePositionManipulator : PWRManipulator {
    [StorableConstructor]
    protected PWRUniformOnePositionManipulator(bool deserializing) : base(deserializing) { }
    protected PWRUniformOnePositionManipulator(PWRUniformOnePositionManipulator original, Cloner cloner)
      : base(original, cloner) {
    }
    public override IDeepCloneable Clone(Cloner cloner) {
      return new PWRUniformOnePositionManipulator(this, cloner);
    }

    public PWRUniformOnePositionManipulator() : base() { }

    protected override PWREncoding Manipulate(IRandom random, PWREncoding individual) {
      PWREncoding result = new PWREncoding();

      int cutIndex = random.Next(individual.PermutationWithRepetition.Length);
      int insertIndex = random.Next(individual.PermutationWithRepetition.Length);

      List<int> perm = ((IntegerVector)(individual.PermutationWithRepetition.Clone ())).ToList<int>();

      int aux = perm[cutIndex];
      if (cutIndex > insertIndex) {
        perm.RemoveAt(cutIndex);
        perm.Insert(insertIndex, aux);
      } else {
        perm.Insert(insertIndex, aux); 
        perm.RemoveAt(cutIndex);
      }

      result.PermutationWithRepetition = new IntegerVector(perm.ToArray());
      
      return result;
    }

  }
}