[3859] | 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;
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| 23 | using HeuristicLab.Core;
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[3862] | 24 | using HeuristicLab.Data;
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[3859] | 25 | using HeuristicLab.Operators;
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| 26 | using HeuristicLab.Parameters;
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| 27 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 28 |
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| 29 | namespace HeuristicLab.Problems.ExternalEvaluation {
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| 30 | [Item("ExternalEvaluationValuesCollector", "Creates a solution message, and communicates it via the driver to receive a quality message.")]
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| 31 | [StorableClass]
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| 32 | public class ExternalEvaluator : ValuesCollector, IExternalEvaluationProblemEvaluator {
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| 33 | public ILookupParameter<DoubleValue> QualityParameter {
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| 34 | get { return (ILookupParameter<DoubleValue>)Parameters["Quality"]; }
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| 35 | }
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| 36 | public IValueLookupParameter<IExternalEvaluationDriver> DriverParameter {
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| 37 | get { return (IValueLookupParameter<IExternalEvaluationDriver>)Parameters["Driver"]; }
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| 38 | }
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| 39 |
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| 40 | public ExternalEvaluator()
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| 41 | : base() {
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| 42 | Parameters.Add(new LookupParameter<DoubleValue>("Quality", "The quality of the current solution."));
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| 43 | Parameters.Add(new ValueLookupParameter<IExternalEvaluationDriver>("Driver", "The driver to communicate with the external process."));
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| 44 | }
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| 45 |
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| 46 | public override IOperation Apply() {
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| 47 | IExternalEvaluationDriver driver = DriverParameter.ActualValue;
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| 48 | SolutionMessage.Builder messageBuilder = SolutionMessage.CreateBuilder();
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| 49 | messageBuilder.SolutionId = 0;
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| 50 | foreach (IParameter param in CollectedValues) {
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| 51 | IItem value = param.ActualValue;
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| 52 | if (value != null) {
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| 53 | ILookupParameter lookupParam = param as ILookupParameter;
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| 54 | string name = lookupParam != null ? lookupParam.TranslatedName : param.Name;
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| 55 | try {
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| 56 | value.AddToSolutionMessage(name, messageBuilder);
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| 57 | } catch (ArgumentException ex) {
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| 58 | throw new InvalidOperationException("ERROR in " + Name + ": Parameter " + name + " cannot be added to the message.", ex);
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| 59 | }
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| 60 | }
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| 61 | }
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| 62 | QualityMessage answer = driver.Evaluate(messageBuilder.Build());
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| 63 | if (QualityParameter.ActualValue == null)
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| 64 | QualityParameter.ActualValue = new DoubleValue(answer.Quality);
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| 65 | else QualityParameter.ActualValue.Value = answer.Quality;
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| 66 |
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| 67 | return base.Apply();
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| 68 | }
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| 69 | }
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| 70 | }
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