#region License Information /* HeuristicLab * Copyright (C) 2002-2017 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.Linq; using HEAL.Attic; using HeuristicLab.Common; using HeuristicLab.Core; using HeuristicLab.Parameters; namespace HeuristicLab.Problems.GeneralizedQuadraticAssignment.Algorithms.GRASP { [Item("GRASP+PR (GQAP) Context", "Context for GRASP+PR (GQAP).")] [StorableType("64A7F8C0-8A38-4293-AC84-CE241EBF6F2C")] public sealed class GRASPContext : PopulationContext> { [Storable] private IValueParameter problem; public GQAP Problem { get { return problem.Value; } set { problem.Value = value; } } [Storable] private IValueParameter bestSolution; public GQAPSolution BestSolution { get { return bestSolution.Value; } set { bestSolution.Value = value; } } public void SortPopulation() { Scope.SubScopes.Replace(Scope.SubScopes.OfType>().OrderBy(x => Problem.Maximization ? -x.Fitness : x.Fitness).ToList()); } [StorableConstructor] private GRASPContext(StorableConstructorFlag _) : base(_) { } private GRASPContext(GRASPContext original, Cloner cloner) : base(original, cloner) { problem = cloner.Clone(original.problem); bestSolution = cloner.Clone(original.bestSolution); } public GRASPContext() : this("GRASP+PR (GQAP) Context") { } public GRASPContext(string name) : base(name) { Parameters.Add(problem = new ValueParameter("Problem")); Parameters.Add(bestSolution = new ValueParameter("BestFoundSolution")); } public override IDeepCloneable Clone(Cloner cloner) { return new GRASPContext(this, cloner); } public ISingleObjectiveSolutionScope ToScope(GQAPSolution code, double fitness = double.NaN) { var name = Problem.Encoding.Name; var scope = new SingleObjectiveSolutionScope(code, name + "Solution", fitness, Problem.Evaluator.QualityParameter.ActualName) { Parent = Scope }; scope.Variables.Add(new Variable(name, code.Assignment)); scope.Variables.Add(new Variable("Evaluation", code.Evaluation)); return scope; } } }