[9690] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[17181] | 3 | * Copyright (C) Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[9690] | 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.IO;
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[11033] | 24 | using System.Runtime.InteropServices;
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[9690] | 25 | using HeuristicLab.Common;
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| 26 | using HeuristicLab.Core;
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| 27 | using HeuristicLab.Data;
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| 28 | using HeuristicLab.Parameters;
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[17097] | 29 | using HEAL.Attic;
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[9690] | 30 | using HeuristicLab.Problems.ParameterOptimization;
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| 31 |
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| 32 | namespace HeuristicLab.Problems.ExternalEvaluation.Matlab {
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[11094] | 33 | [Item("MATLABParameterVectorEvaluator", "An evaluator which takes a parameter vector and returns a quality value, calculated by a MATLAB script.")]
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[17097] | 34 | [StorableType("C1BE88E2-B48F-4EB6-9F9F-25082639DA5C")]
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[9690] | 35 | public sealed class MatlabParameterVectorEvaluator : ParameterVectorEvaluator {
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| 36 | private const string QualityVariableParameterName = "QualityVariableName";
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[9748] | 37 | private const string MatlabEvaluationScriptParameterName = "MATLABEvaluationScript";
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[11028] | 38 | private const string MatlabInitializationScriptParameterName = "MATLABInitializationScript";
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[9690] | 39 |
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| 40 | #region parameters
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| 41 | public ILookupParameter<StringValue> QualityVariableParameter {
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| 42 | get { return (ILookupParameter<StringValue>)Parameters[QualityVariableParameterName]; }
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| 43 | }
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[9715] | 44 | public ILookupParameter<TextFileValue> MatlabEvaluationScriptParameter {
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| 45 | get { return (ILookupParameter<TextFileValue>)Parameters[MatlabEvaluationScriptParameterName]; }
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[9690] | 46 | }
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[11028] | 47 | public ILookupParameter<TextFileValue> MatlabInitializationScriptParameter {
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| 48 | get { return (ILookupParameter<TextFileValue>)Parameters[MatlabInitializationScriptParameterName]; }
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[9690] | 49 | }
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| 50 | #endregion
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| 51 |
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| 52 | [StorableConstructor]
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[17097] | 53 | private MatlabParameterVectorEvaluator(StorableConstructorFlag _) : base(_) { }
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[9690] | 54 | private MatlabParameterVectorEvaluator(MatlabParameterVectorEvaluator original, Cloner cloner)
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| 55 | : base(original, cloner) {
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| 56 | }
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| 57 | public override IDeepCloneable Clone(Cloner cloner) {
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| 58 | return new MatlabParameterVectorEvaluator(this, cloner);
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| 59 | }
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| 60 |
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| 61 | public MatlabParameterVectorEvaluator()
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| 62 | : base() {
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[9748] | 63 | Parameters.Add(new LookupParameter<StringValue>(QualityVariableParameterName, "The name of the quality variable calculated in the MATLAB script."));
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| 64 | Parameters.Add(new LookupParameter<TextFileValue>(MatlabEvaluationScriptParameterName, "The path to the MATLAB evaluation script."));
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[11094] | 65 | Parameters.Add(new LookupParameter<TextFileValue>(MatlabInitializationScriptParameterName, "The path to a MATLAB script for initialization that should be executed once when the algorithm starts."));
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[9690] | 66 | }
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| 67 |
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| 68 |
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| 69 | public override void ClearState() {
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[11033] | 70 | //mkommend: necessary because matlabConnector.Quit() does not work
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| 71 | try {
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[12639] | 72 | if (matLabConnector != null)
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| 73 | matLabConnector.Execute("exit");
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| 74 | } catch (COMException) { } finally {
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[11033] | 75 | matLabConnector = null;
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| 76 | }
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| 77 |
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[9715] | 78 | changedDirectory = false;
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[9690] | 79 | base.ClearState();
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| 80 | }
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| 81 |
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[11028] | 82 | private MLApp.MLApp matLabConnector;
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[9715] | 83 | private bool changedDirectory = false;
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[9690] | 84 | private readonly object locker = new object();
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[11028] | 85 |
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[9690] | 86 | public override IOperation Apply() {
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| 87 | lock (locker) {
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[11028] | 88 | var initializationScript = MatlabInitializationScriptParameter.ActualValue;
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| 89 | if (!string.IsNullOrEmpty(initializationScript.Value) && !initializationScript.Exists())
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| 90 | throw new FileNotFoundException(string.Format("The initialization script \"{0}\" cannot be found.", initializationScript.Value));
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| 91 |
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| 92 | var evaluationScript = MatlabEvaluationScriptParameter.ActualValue;
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| 93 | if (string.IsNullOrEmpty(evaluationScript.Value))
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| 94 | throw new FileNotFoundException("The evaluation script in the problem is not set.");
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| 95 | if (!evaluationScript.Exists())
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| 96 | throw new FileNotFoundException(string.Format("The evaluation script \"{0}\" cannot be found.", evaluationScript.Value));
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| 97 |
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[11033] | 98 | string result;
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| 99 | if (matLabConnector == null) {
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| 100 | Type matlabtype = Type.GetTypeFromProgID("matlab.application.single");
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| 101 | matLabConnector = (MLApp.MLApp)Activator.CreateInstance(matlabtype);
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| 102 | matLabConnector.Visible = 0;
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[11028] | 103 |
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[11033] | 104 | if (!string.IsNullOrEmpty(initializationScript.Value)) {
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| 105 | var directoryName = Path.GetDirectoryName(initializationScript.Value);
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| 106 | if (string.IsNullOrEmpty(directoryName)) directoryName = Environment.CurrentDirectory;
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| 107 | result = matLabConnector.Execute(string.Format("cd '{0}'", directoryName));
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| 108 | if (!string.IsNullOrEmpty(result)) throw new InvalidOperationException(result);
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[11028] | 109 |
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[11033] | 110 | result = matLabConnector.Execute(Path.GetFileNameWithoutExtension(initializationScript.Value));
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| 111 | if (!string.IsNullOrEmpty(result)) throw new InvalidOperationException(result);
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| 112 | }
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[11028] | 113 | }
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| 114 |
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[9715] | 115 | if (!changedDirectory) {
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[11028] | 116 | var directoryName = Path.GetDirectoryName(evaluationScript.Value);
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[11033] | 117 | if (string.IsNullOrEmpty(directoryName)) directoryName = Environment.CurrentDirectory;
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[9748] | 118 | result = matLabConnector.Execute(string.Format("cd '{0}'", directoryName));
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[9715] | 119 | if (!string.IsNullOrEmpty(result)) throw new InvalidOperationException(result);
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| 120 | changedDirectory = true;
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| 121 | }
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| 122 |
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[9690] | 123 | var parameterVector = ParameterVectorParameter.ActualValue;
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| 124 | var parameterNames = ParameterNamesParameter.ActualValue;
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| 125 |
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| 126 | for (int i = 0; i < ProblemSizeParameter.ActualValue.Value; i++) {
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| 127 | matLabConnector.PutWorkspaceData(parameterNames[i], "base", parameterVector[i]);
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| 128 | }
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| 129 |
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[11028] | 130 | result = matLabConnector.Execute(Path.GetFileNameWithoutExtension(evaluationScript.Value));
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[9715] | 131 | if (!string.IsNullOrEmpty(result)) throw new InvalidOperationException(result);
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[9690] | 132 |
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| 133 | string qualityVariableName = QualityVariableParameter.ActualValue.Value;
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| 134 | var quality = matLabConnector.GetVariable(qualityVariableName, "base");
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| 135 |
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| 136 | if (double.IsNaN(quality)) quality = double.MaxValue;
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| 137 | if (double.IsInfinity(quality)) quality = double.MaxValue;
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| 138 |
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| 139 | QualityParameter.ActualValue = new DoubleValue(quality);
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| 140 | return base.Apply();
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| 141 | }
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| 142 | }
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| 143 | }
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| 144 | }
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[9715] | 145 |
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