#region License Information
/* HeuristicLab
* Copyright (C) 2002-2018 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.Operators;
using HeuristicLab.Optimization;
using HeuristicLab.Parameters;
using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
namespace HeuristicLab.Encodings.PermutationEncoding {
[Item("TranslocationMoveGenerator", "Base class for move generators that produce translocation moves (3-opt).")]
[StorableClass]
public abstract class TranslocationMoveGenerator : SingleSuccessorOperator, IPermutationTranslocationMoveOperator, IMoveGenerator {
public override bool CanChangeName {
get { return false; }
}
public ILookupParameter PermutationParameter {
get { return (ILookupParameter)Parameters["Permutation"]; }
}
public ILookupParameter TranslocationMoveParameter {
get { return (LookupParameter)Parameters["TranslocationMove"]; }
}
protected ScopeParameter CurrentScopeParameter {
get { return (ScopeParameter)Parameters["CurrentScope"]; }
}
[StorableConstructor]
protected TranslocationMoveGenerator(bool deserializing) : base(deserializing) { }
protected TranslocationMoveGenerator(TranslocationMoveGenerator original, Cloner cloner) : base(original, cloner) { }
public TranslocationMoveGenerator()
: base() {
Parameters.Add(new LookupParameter("Permutation", "The permutation for which moves should be generated."));
Parameters.Add(new LookupParameter("TranslocationMove", "The moves that should be generated in subscopes."));
Parameters.Add(new ScopeParameter("CurrentScope", "The current scope where the moves should be added as subscopes."));
}
public override IOperation Apply() {
Permutation p = PermutationParameter.ActualValue;
TranslocationMove[] moves = GenerateMoves(p);
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(TranslocationMoveParameter.ActualName, moves[i]));
}
CurrentScopeParameter.ActualValue.SubScopes.AddRange(moveScopes);
return base.Apply();
}
protected abstract TranslocationMove[] GenerateMoves(Permutation permutation);
}
}