source: branches/ProgrammableProblem/HeuristicLab.Problems.Programmable/3.3/Operators/MultiObjectiveEvaluator.cs @ 11739

Last change on this file since 11739 was 11739, checked in by mkommend, 7 years ago

#2174: Worked on operators and programmable problem base classes and scripts.

File size: 3.0 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2014 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;
23using HeuristicLab.Common;
24using HeuristicLab.Core;
25using HeuristicLab.Data;
26using HeuristicLab.Operators;
27using HeuristicLab.Optimization;
28using HeuristicLab.Parameters;
29using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
30
31namespace HeuristicLab.Problems.Programmable {
32  [Item("Multi-objective Evaluator", "Calls the Evaluate method of the problem definition and writes the return value into the scope.")]
33  [StorableClass]
34  public class MultiObjectiveEvaluator : SingleSuccessorOperator, IMulitObjectiveEvaluationOperator, IStochasticOperator {
35
36    public ILookupParameter<IRandom> RandomParameter {
37      get { return (ILookupParameter<IRandom>)Parameters["Random"]; }
38    }
39
40    public ILookupParameter<IEncoding> EncodingParameter {
41      get { return (ILookupParameter<IEncoding>)Parameters["Encoding"]; }
42    }
43
44    public ILookupParameter<DoubleArray> QualitiesParameter {
45      get { return (ILookupParameter<DoubleArray>)Parameters["Qualities"]; }
46    }
47
48    public Func<Individual, IRandom, double[]> EvaluateFunc { get; set; }
49
50    [StorableConstructor]
51    protected MultiObjectiveEvaluator(bool deserializing) : base(deserializing) { }
52    protected MultiObjectiveEvaluator(MultiObjectiveEvaluator original, Cloner cloner) : base(original, cloner) { }
53    public MultiObjectiveEvaluator() {
54      Parameters.Add(new LookupParameter<IRandom>("Random", "The random number generator to use."));
55      Parameters.Add(new LookupParameter<IEncoding>("Encoding", "An item that holds the problem's encoding."));
56      Parameters.Add(new LookupParameter<DoubleArray>("Qualities", "The qualities of the parameter vector."));
57    }
58
59    public override IDeepCloneable Clone(Cloner cloner) {
60      return new MultiObjectiveEvaluator(this, cloner);
61    }
62
63    public override IOperation Apply() {
64      var random = RandomParameter.ActualValue;
65      var encoding = EncodingParameter.ActualValue;
66      var individual = encoding.GetIndividual(ExecutionContext.Scope);
67      QualitiesParameter.ActualValue = new DoubleArray(EvaluateFunc(individual, random));
68      return base.Apply();
69    }
70  }
71}
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