source: branches/ProblemRefactoring/HeuristicLab.Problems.Programmable/3.3/SingleObjectiveProgrammableProblem.cs @ 13390

Last change on this file since 13390 was 13390, checked in by abeham, 7 years ago

#2521: fixed template and bug in programmable problem with multi encoding

File size: 4.7 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System.Collections.Generic;
23using System.Drawing;
24using HeuristicLab.Analysis;
25using HeuristicLab.Common;
26using HeuristicLab.Common.Resources;
27using HeuristicLab.Core;
28using HeuristicLab.Data;
29using HeuristicLab.Optimization;
30using HeuristicLab.Parameters;
31using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
32using HeuristicLab.Scripting;
33
34namespace HeuristicLab.Problems.Programmable {
35  [Item("Programmable Problem (single-objective)", "Represents a single-objective problem that can be programmed with a script.")]
36  [StorableClass]
37  public abstract class SingleObjectiveProgrammableProblem<TEncoding, TSolution> : SingleObjectiveProblem<TEncoding, TSolution>, IProgrammableItem, IProgrammableProblem
38    where TEncoding : class, IEncoding<TSolution>
39    where TSolution : class, ISolution {
40    protected static readonly string ENCODING_NAMESPACE = "ENCODING_NAMESPACE";
41    protected static readonly string ENCODING_CLASS = "ENCODING_CLASS";
42    protected static readonly string SOLUTION_CLASS = "SOLUTION_CLASS";
43
44    public static new Image StaticItemImage {
45      get { return VSImageLibrary.Script; }
46    }
47
48    private FixedValueParameter<SingleObjectiveProblemDefinitionScript<TEncoding, TSolution>> SingleObjectiveProblemScriptParameter {
49      get { return (FixedValueParameter<SingleObjectiveProblemDefinitionScript<TEncoding, TSolution>>)Parameters["ProblemScript"]; }
50    }
51
52    Script IProgrammableProblem.ProblemScript {
53      get { return ProblemScript; }
54    }
55    public SingleObjectiveProblemDefinitionScript<TEncoding, TSolution> ProblemScript {
56      get { return SingleObjectiveProblemScriptParameter.Value; }
57    }
58
59    public ISingleObjectiveProblemDefinition<TEncoding, TSolution> ProblemDefinition {
60      get { return SingleObjectiveProblemScriptParameter.Value; }
61    }
62
63    [StorableConstructor]
64    protected SingleObjectiveProgrammableProblem(bool deserializing) : base(deserializing) { }
65    protected SingleObjectiveProgrammableProblem(SingleObjectiveProgrammableProblem<TEncoding, TSolution> original, Cloner cloner)
66      : base(original, cloner) {
67      RegisterEvents();
68    }
69    public SingleObjectiveProgrammableProblem()
70      : base() {
71      Parameters.Add(new FixedValueParameter<SingleObjectiveProblemDefinitionScript<TEncoding, TSolution>>("ProblemScript", "Defines the problem.",
72        new SingleObjectiveProblemDefinitionScript<TEncoding, TSolution>() { Name = Name }));
73      ProblemScript.Encoding = (TEncoding)Encoding.Clone();
74      Operators.Add(new BestScopeSolutionAnalyzer());
75      RegisterEvents();
76    }
77
78    [StorableHook(HookType.AfterDeserialization)]
79    private void AfterDeserialization() {
80      RegisterEvents();
81    }
82
83    private void RegisterEvents() {
84      ProblemScript.ProblemDefinitionChanged += (o, e) => OnProblemDefinitionChanged();
85    }
86
87    private void OnProblemDefinitionChanged() {
88      Parameters.Remove("Maximization");
89      Parameters.Add(new FixedValueParameter<BoolValue>("Maximization", "Set to false if the problem should be minimized.", (BoolValue)new BoolValue(Maximization).AsReadOnly()) { Hidden = true });
90      Encoding = (TEncoding)ProblemScript.Encoding.Clone();
91
92      OnOperatorsChanged();
93      OnReset();
94    }
95
96    public override bool Maximization {
97      get { return Parameters.ContainsKey("ProblemScript") && ProblemDefinition.Maximization; }
98    }
99
100    public override double Evaluate(TSolution individual, IRandom random) {
101      return ProblemDefinition.Evaluate(individual, random);
102    }
103
104    public override void Analyze(TSolution[] individuals, double[] qualities, ResultCollection results, IRandom random) {
105      ProblemDefinition.Analyze(individuals, qualities, results, random);
106    }
107    public override IEnumerable<TSolution> GetNeighbors(TSolution individual, IRandom random) {
108      return ProblemDefinition.GetNeighbors(individual, random);
109    }
110  }
111}
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