[2796] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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| 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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| 22 | using System.Drawing;
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| 23 | using HeuristicLab.Core;
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[2851] | 24 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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[2852] | 25 | using HeuristicLab.Parameters;
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| 26 | using System;
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[2857] | 27 | using HeuristicLab.Common;
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[2796] | 28 |
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[2834] | 29 | namespace HeuristicLab.Optimization {
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[2796] | 30 | /// <summary>
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[2852] | 31 | /// A base class for optimization problems.
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[2796] | 32 | /// </summary>
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[2852] | 33 | [Item("Problem", "A base class for optimization problems.")]
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[2851] | 34 | [EmptyStorableClass]
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[2845] | 35 | public abstract class Problem : ParameterizedNamedItem, IProblem {
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[2796] | 36 | public override Image ItemImage {
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| 37 | get { return HeuristicLab.Common.Resources.VS2008ImageLibrary.Type; }
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| 38 | }
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| 39 |
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[2852] | 40 | private IValueParameter<ISolutionCreator> SolutionCreatorParameter {
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| 41 | get { return (IValueParameter<ISolutionCreator>)Parameters["SolutionCreator"]; }
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| 42 | }
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| 43 | private IValueParameter<IEvaluator> EvaluatorParameter {
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| 44 | get { return (IValueParameter<IEvaluator>)Parameters["Evaluator"]; }
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| 45 | }
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| 46 | public ISolutionCreator SolutionCreator {
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| 47 | get { return SolutionCreatorParameter.Value; }
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| 48 | set { SolutionCreatorParameter.Value = value; }
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| 49 | }
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| 50 | public IEvaluator Evaluator {
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| 51 | get { return EvaluatorParameter.Value; }
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| 52 | set { EvaluatorParameter.Value = value; }
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| 53 | }
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| 54 |
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| 55 | protected Problem()
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| 56 | : base() {
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| 57 | AddParameters();
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| 58 | }
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| 59 | protected Problem(string name)
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| 60 | : base(name) {
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| 61 | AddParameters();
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| 62 | }
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| 63 | protected Problem(string name, ParameterCollection parameters)
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| 64 | : base(name, parameters) {
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| 65 | AddParameters();
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| 66 | }
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| 67 | protected Problem(string name, string description)
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| 68 | : base(name, description) {
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| 69 | AddParameters();
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| 70 | }
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| 71 | protected Problem(string name, string description, ParameterCollection parameters)
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| 72 | : base(name, description, parameters) {
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| 73 | AddParameters();
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| 74 | }
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| 75 |
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| 76 | private void AddParameters() {
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| 77 | ValueParameter<ISolutionCreator> solutionCreatorParameter = new ValueParameter<ISolutionCreator>("SolutionCreator", "The operator which should be used to create new solutions.");
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| 78 | solutionCreatorParameter.ValueChanged += new EventHandler(SolutionCreatorParameter_ValueChanged);
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| 79 | Parameters.Add(solutionCreatorParameter);
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| 80 |
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| 81 | ValueParameter<IEvaluator> evaluatorParameter = new ValueParameter<IEvaluator>("Evaluator", "The operator which should be used to evaluate solutions.");
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| 82 | evaluatorParameter.ValueChanged += new EventHandler(EvaluatorParameter_ValueChanged);
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| 83 | Parameters.Add(evaluatorParameter);
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| 84 | }
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| 85 |
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| 86 | private void SolutionCreatorParameter_ValueChanged(object sender, EventArgs e) {
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| 87 | OnSolutionCreatorChanged();
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| 88 | }
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| 89 | private void EvaluatorParameter_ValueChanged(object sender, EventArgs e) {
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| 90 | OnEvaluatorChanged();
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| 91 | }
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| 92 |
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| 93 | public event EventHandler SolutionCreatorChanged;
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| 94 | protected virtual void OnSolutionCreatorChanged() {
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| 95 | if (SolutionCreatorChanged != null)
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| 96 | SolutionCreatorChanged(this, EventArgs.Empty);
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| 97 | }
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| 98 | public event EventHandler EvaluatorChanged;
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| 99 | protected virtual void OnEvaluatorChanged() {
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| 100 | if (EvaluatorChanged != null)
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| 101 | EvaluatorChanged(this, EventArgs.Empty);
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| 102 | }
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[2857] | 103 | public event EventHandler<EventArgs<Type>> OperatorsChanged;
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| 104 | protected virtual void OnOperatorsChanged(Type operatorType) {
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| 105 | if (OperatorsChanged != null)
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| 106 | OperatorsChanged(this, new EventArgs<Type>(operatorType));
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| 107 | }
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[2796] | 108 | }
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| 109 | }
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