[11400] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2014 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;
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| 23 | using System.Collections.Generic;
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| 24 | using System.Drawing;
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| 25 | using HeuristicLab.Common;
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| 26 | using HeuristicLab.Core;
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| 27 | using HeuristicLab.Optimization;
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| 28 |
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| 29 | namespace HeuristicLab.Problems.Programmable {
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| 30 | [Item("Multi-objective Problem Definition", "This definition can be dynamically created through code and assigned to the problem.")]
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| 31 | public class MultiObjectiveProblemDefinition : IMultiObjectiveProblemDefinitionHost, IMultiObjectiveProblemDefinition {
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| 32 | private bool[] maximization;
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| 33 | public bool[] Maximization {
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| 34 | get { return maximization; }
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| 35 | set {
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| 36 | maximization = value;
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| 37 | OnInstanceChanged();
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| 38 | }
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| 39 | }
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| 40 |
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| 41 | private Func<Configuration> configuration;
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| 42 | public Func<Configuration> Configuration {
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| 43 | get { return configuration; }
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| 44 | set {
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| 45 | configuration = value;
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| 46 | OnInstanceChanged();
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| 47 | }
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| 48 | }
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| 49 |
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| 50 | private Func<IRandom, ParameterVector, double[]> evaluate;
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| 51 | public Func<IRandom, ParameterVector, double[]> Evaluate {
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| 52 | get { return evaluate; }
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| 53 | set {
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| 54 | evaluate = value;
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| 55 | OnInstanceChanged();
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| 56 | }
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| 57 | }
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| 58 |
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| 59 | private Action<ParameterVector[], double[][], ResultCollection> analyze;
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| 60 | public Action<ParameterVector[], double[][], ResultCollection> Analyze {
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| 61 | get { return analyze; }
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| 62 | set {
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| 63 | analyze = value;
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| 64 | OnInstanceChanged();
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| 65 | }
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| 66 | }
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| 67 |
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| 68 | private Func<IRandom, ParameterVector, IEnumerable<ParameterVector>> neighbors;
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| 69 | public Func<IRandom, ParameterVector, IEnumerable<ParameterVector>> Neighbors {
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| 70 | get { return neighbors; }
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| 71 | set {
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| 72 | neighbors = value;
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| 73 | OnInstanceChanged();
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| 74 | }
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| 75 | }
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| 76 |
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| 77 | protected MultiObjectiveProblemDefinition(MultiObjectiveProblemDefinition original, Cloner cloner) {
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| 78 | cloner.RegisterClonedObject(original, this);
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| 79 | name = original.name;
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| 80 | description = original.description;
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| 81 | maximization = original.maximization;
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| 82 | configuration = original.configuration;
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| 83 | evaluate = original.evaluate;
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| 84 | analyze = original.analyze;
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| 85 | neighbors = original.neighbors;
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| 86 | }
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| 87 |
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| 88 | public MultiObjectiveProblemDefinition() : this((string)null, null) { }
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| 89 | public MultiObjectiveProblemDefinition(string name) : this(name, null) { }
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| 90 | public MultiObjectiveProblemDefinition(string name, string description) {
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| 91 | this.name = name ?? ItemName;
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| 92 | this.description = description ?? ItemDescription;
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| 93 | configuration = () => new Configuration();
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| 94 | evaluate = (random, vector) => new[] { 0.0, 0.0 };
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| 95 | analyze = (vectors, doubles, results) => { };
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| 96 | neighbors = (random, vector) => new[] { (ParameterVector)vector.Clone() };
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| 97 | }
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| 98 |
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| 99 |
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| 100 | public IDeepCloneable Clone(Cloner cloner) {
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| 101 | return new MultiObjectiveProblemDefinition(this, cloner);
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| 102 | }
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| 103 |
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| 104 | public IMultiObjectiveProblemDefinition Instance {
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| 105 | get { return this; }
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| 106 | }
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| 107 |
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| 108 | public event EventHandler InstanceChanged;
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| 109 | protected void OnInstanceChanged() {
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| 110 | var handler = InstanceChanged;
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| 111 | if (handler != null) handler(this, EventArgs.Empty);
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| 112 | }
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| 113 |
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| 114 | #region Problem definition explicit interface implementations
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| 115 | Configuration IProblemDefinition.GetConfiguration() {
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| 116 | return Configuration();
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| 117 | }
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| 118 |
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| 119 | bool[] IMultiObjectiveProblemDefinition.Maximization {
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| 120 | get { return Maximization; }
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| 121 | }
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| 122 |
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| 123 | double[] IMultiObjectiveProblemDefinition.Evaluate(IRandom random, ParameterVector vector) {
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| 124 | return Evaluate(random, vector);
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| 125 | }
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| 126 |
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| 127 | void IMultiObjectiveProblemDefinition.Analyze(ParameterVector[] vectors, double[][] qualities, ResultCollection results) {
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| 128 | Analyze(vectors, qualities, results);
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| 129 | }
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| 130 |
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| 131 | IEnumerable<ParameterVector> IMultiObjectiveProblemDefinition.GetNeighbors(IRandom random, ParameterVector vector) {
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| 132 | return Neighbors(random, vector);
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| 133 | }
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| 134 | #endregion
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| 135 |
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| 136 | #region INamedItem
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| 137 | protected string name;
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| 138 | /// <inheritdoc/>
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| 139 | /// <remarks>Calls <see cref="OnNameChanging"/> and also <see cref="OnNameChanged"/>
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| 140 | /// eventually in the setter.</remarks>
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| 141 | public string Name {
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| 142 | get { return name; }
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| 143 | set {
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| 144 | if (!CanChangeName) throw new NotSupportedException("Name cannot be changed.");
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| 145 | if (!(name.Equals(value) || (value == null) && (name == string.Empty))) {
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| 146 | CancelEventArgs<string> e = value == null ? new CancelEventArgs<string>(string.Empty) : new CancelEventArgs<string>(value);
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| 147 | OnNameChanging(e);
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| 148 | if (!e.Cancel) {
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| 149 | name = value == null ? string.Empty : value;
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| 150 | OnNameChanged();
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| 151 | }
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| 152 | }
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| 153 | }
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| 154 | }
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| 155 | public virtual bool CanChangeName {
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| 156 | get { return true; }
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| 157 | }
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| 158 | protected string description;
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| 159 | public string Description {
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| 160 | get { return description; }
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| 161 | set {
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| 162 | if (!CanChangeDescription) throw new NotSupportedException("Description cannot be changed.");
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| 163 | if (!(description.Equals(value) || (value == null) && (description == string.Empty))) {
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| 164 | description = value == null ? string.Empty : value;
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| 165 | OnDescriptionChanged();
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| 166 | }
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| 167 | }
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| 168 | }
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| 169 | public virtual bool CanChangeDescription {
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| 170 | get { return true; }
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| 171 | }
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| 172 |
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| 173 | /// <summary>
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| 174 | /// Gets the string representation of the current instance in the format: <c>Name: [null|Value]</c>.
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| 175 | /// </summary>
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| 176 | /// <returns>The current instance as a string.</returns>
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| 177 | public override string ToString() {
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| 178 | return Name;
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| 179 | }
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| 180 |
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| 181 | /// <inheritdoc/>
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| 182 | public event EventHandler<CancelEventArgs<string>> NameChanging;
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| 183 | /// <summary>
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| 184 | /// Fires a new <c>NameChanging</c> event.
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| 185 | /// </summary>
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| 186 | /// <param name="e">The event arguments of the changing.</param>
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| 187 | protected virtual void OnNameChanging(CancelEventArgs<string> e) {
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| 188 | var handler = NameChanging;
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| 189 | if (handler != null) handler(this, e);
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| 190 | }
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| 191 | /// <inheritdoc/>
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| 192 | public event EventHandler NameChanged;
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| 193 | /// <summary>
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| 194 | /// Fires a new <c>NameChanged</c> event.
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| 195 | /// </summary>
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| 196 | /// <remarks>Calls <see cref="ItemBase.OnChanged"/>.</remarks>
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| 197 | protected virtual void OnNameChanged() {
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| 198 | var handler = NameChanged;
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| 199 | if (handler != null) handler(this, EventArgs.Empty);
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| 200 | OnToStringChanged();
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| 201 | }
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| 202 | /// <inheritdoc/>
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| 203 | public event EventHandler DescriptionChanged;
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| 204 | /// <summary>
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| 205 | /// Fires a new <c>DescriptionChanged</c> event.
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| 206 | /// </summary>
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| 207 | /// <remarks>Calls <see cref="ItemBase.OnChanged"/>.</remarks>
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| 208 | protected virtual void OnDescriptionChanged() {
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| 209 | var handler = DescriptionChanged;
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| 210 | if (handler != null) handler(this, EventArgs.Empty);
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| 211 | }
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| 212 | #endregion
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| 213 | #region IItem
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| 214 | public virtual string ItemName {
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| 215 | get { return ItemAttribute.GetName(this.GetType()); }
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| 216 | }
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| 217 | public virtual string ItemDescription {
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| 218 | get { return ItemAttribute.GetDescription(this.GetType()); }
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| 219 | }
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| 220 | public Version ItemVersion {
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| 221 | get { return ItemAttribute.GetVersion(this.GetType()); }
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| 222 | }
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| 223 | public static Image StaticItemImage {
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| 224 | get { return HeuristicLab.Common.Resources.VSImageLibrary.Class; }
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| 225 | }
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| 226 | public virtual Image ItemImage {
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| 227 | get { return ItemAttribute.GetImage(this.GetType()); }
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| 228 | }
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| 229 | public object Clone() {
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| 230 | return Clone(new Cloner());
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| 231 | }
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| 232 |
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| 233 | public event EventHandler ItemImageChanged;
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| 234 | protected virtual void OnItemImageChanged() {
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| 235 | var handler = ItemImageChanged;
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| 236 | if (handler != null) handler(this, EventArgs.Empty);
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| 237 | }
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| 238 | public event EventHandler ToStringChanged;
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| 239 | protected virtual void OnToStringChanged() {
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| 240 | var handler = ToStringChanged;
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| 241 | if (handler != null) handler(this, EventArgs.Empty);
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| 242 | }
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| 243 | #endregion
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| 244 | }
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| 245 | }
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