[11400] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[16565] | 3 | * Copyright (C) 2002-2019 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[11400] | 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 HeuristicLab.Common;
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| 24 | using HeuristicLab.Core;
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| 25 | using HeuristicLab.Data;
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| 26 | using HeuristicLab.Operators;
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| 27 | using HeuristicLab.Parameters;
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[16565] | 28 | using HEAL.Attic;
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[11400] | 29 |
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[11949] | 30 | namespace HeuristicLab.Optimization {
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[11484] | 31 | [Item("Multi-objective Evaluator", "Calls the Evaluate method of the problem definition and writes the return value into the scope.")]
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[16565] | 32 | [StorableType("C5605ED8-0ED2-4C7B-97A1-E7EB68A4FDBF")]
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[12617] | 33 | public class MultiObjectiveEvaluator : InstrumentedOperator, IMultiObjectiveEvaluationOperator, IStochasticOperator {
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[11400] | 34 |
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| 35 | public ILookupParameter<IRandom> RandomParameter {
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| 36 | get { return (ILookupParameter<IRandom>)Parameters["Random"]; }
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| 37 | }
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| 38 |
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[11559] | 39 | public ILookupParameter<IEncoding> EncodingParameter {
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| 40 | get { return (ILookupParameter<IEncoding>)Parameters["Encoding"]; }
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[11400] | 41 | }
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| 42 |
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| 43 | public ILookupParameter<DoubleArray> QualitiesParameter {
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| 44 | get { return (ILookupParameter<DoubleArray>)Parameters["Qualities"]; }
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| 45 | }
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| 46 |
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[11739] | 47 | public Func<Individual, IRandom, double[]> EvaluateFunc { get; set; }
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| 48 |
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[11400] | 49 | [StorableConstructor]
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[16565] | 50 | protected MultiObjectiveEvaluator(StorableConstructorFlag _) : base(_) { }
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[11400] | 51 | protected MultiObjectiveEvaluator(MultiObjectiveEvaluator original, Cloner cloner) : base(original, cloner) { }
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| 52 | public MultiObjectiveEvaluator() {
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| 53 | Parameters.Add(new LookupParameter<IRandom>("Random", "The random number generator to use."));
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[11559] | 54 | Parameters.Add(new LookupParameter<IEncoding>("Encoding", "An item that holds the problem's encoding."));
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[11400] | 55 | Parameters.Add(new LookupParameter<DoubleArray>("Qualities", "The qualities of the parameter vector."));
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| 56 | }
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| 57 |
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| 58 | public override IDeepCloneable Clone(Cloner cloner) {
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| 59 | return new MultiObjectiveEvaluator(this, cloner);
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| 60 | }
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| 61 |
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[12617] | 62 | public override IOperation InstrumentedApply() {
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[11400] | 63 | var random = RandomParameter.ActualValue;
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[11598] | 64 | var encoding = EncodingParameter.ActualValue;
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[11619] | 65 | var individual = encoding.GetIndividual(ExecutionContext.Scope);
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[11739] | 66 | QualitiesParameter.ActualValue = new DoubleArray(EvaluateFunc(individual, random));
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[12617] | 67 | return base.InstrumentedApply();
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[11400] | 68 | }
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| 69 | }
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| 70 | }
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