#region License Information /* HeuristicLab * Copyright (C) 2002-2019 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 HEAL.Attic; namespace HeuristicLab.Encodings.PermutationEncoding { [Item("InversionMoveGenerator", "Base class for all inversion (2-opt) move generators.")] [StorableType("FB20D0B5-4A65-4718-9A92-90C421034BCF")] public abstract class InversionMoveGenerator : SingleSuccessorOperator, IPermutationInversionMoveOperator, IMoveGenerator { public override bool CanChangeName { get { return false; } } public ILookupParameter PermutationParameter { get { return (ILookupParameter)Parameters["Permutation"]; } } public ILookupParameter InversionMoveParameter { get { return (LookupParameter)Parameters["InversionMove"]; } } protected ScopeParameter CurrentScopeParameter { get { return (ScopeParameter)Parameters["CurrentScope"]; } } [StorableConstructor] protected InversionMoveGenerator(StorableConstructorFlag _) : base(_) { } protected InversionMoveGenerator(InversionMoveGenerator original, Cloner cloner) : base(original, cloner) { } public InversionMoveGenerator() : base() { Parameters.Add(new LookupParameter("Permutation", "The permutation for which moves should be generated.")); Parameters.Add(new LookupParameter("InversionMove", "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; InversionMove[] 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(InversionMoveParameter.ActualName, moves[i])); } CurrentScopeParameter.ActualValue.SubScopes.AddRange(moveScopes); return base.Apply(); } protected abstract InversionMove[] GenerateMoves(Permutation permutation); } }