#region License Information /* HeuristicLab * Copyright (C) 2002-2014 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 System; using System.Collections.Generic; using System.Linq; using HeuristicLab.Core; namespace HeuristicLab.Optimization { /// /// This class provides some methods useful when dealing with moves, such as getting compatible move makers to a move generator. /// Compatibility is generally ensured in that both the generator and the move maker implement the same specific interface which is derived from IMoveOperator /// public static class MoveHelper { public static IEnumerable GetCompatibleMoveMakers(IMoveGenerator generator, IEnumerable operators) { return GetCompatibleOperators(generator, operators); } public static IEnumerable GetCompatibleSingleObjectiveMoveEvaluators(IMoveGenerator generator, IEnumerable operators) { return GetCompatibleOperators(generator, operators); } public static IEnumerable GetCompatibleTabuChekers(IMoveGenerator generator, IEnumerable operators) { return GetCompatibleOperators(generator, operators); } public static IEnumerable GetCompatibleTabuMakers(IMoveGenerator generator, IEnumerable operators) { return GetCompatibleOperators(generator, operators); } private static IEnumerable GetCompatibleOperators(IMoveGenerator generator, IEnumerable operators) where T : IOperator { foreach (Type type in GetMostSpecificMoveOperatorTypes(generator)) { foreach (T op in operators.Where(x => type.IsAssignableFrom(x.GetType())).OfType()) yield return op; } } private static List GetMostSpecificMoveOperatorTypes(IMoveGenerator generator) { List moveTypes = generator.GetType().GetInterfaces().Where(x => typeof(IMoveOperator).IsAssignableFrom(x)).ToList(); foreach (Type type in moveTypes.ToList()) { if (moveTypes.Any(t => t != type && type.IsAssignableFrom(t))) moveTypes.Remove(type); } return moveTypes; } } }