[13183] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[14185] | 3 | * Copyright (C) 2002-2016 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[13183] | 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.Linq;
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| 24 | using System.Reflection;
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| 25 | using HeuristicLab.Common;
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[14927] | 26 | using HeuristicLab.Persistence;
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[13183] | 27 | using HeuristicLab.Scripting;
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| 28 |
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[13392] | 29 | namespace HeuristicLab.Problems.ExternalEvaluation {
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[14927] | 30 | [StorableType("83604810-c01b-4a7d-9f2b-3bbe51bd5057")]
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[13183] | 31 | public abstract class OptimizationSupportScript<T> : Script
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| 32 | where T : class {
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| 33 |
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| 34 | [Storable]
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| 35 | private VariableStore variableStore;
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| 36 | public VariableStore VariableStore {
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| 37 | get { return variableStore; }
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| 38 | }
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| 39 |
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| 40 | [StorableConstructor]
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[15018] | 41 | protected OptimizationSupportScript(StorableConstructorFlag deserializing) : base(deserializing) { }
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[13183] | 42 | protected OptimizationSupportScript(OptimizationSupportScript<T> original, Cloner cloner)
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| 43 | : base(original, cloner) {
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| 44 | variableStore = cloner.Clone(original.variableStore);
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| 45 | }
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| 46 |
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| 47 | protected OptimizationSupportScript()
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| 48 | : base() {
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| 49 | variableStore = new VariableStore();
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| 50 | }
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| 51 |
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[13218] | 52 | protected OptimizationSupportScript(string code)
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| 53 | : base(code) {
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| 54 | variableStore = new VariableStore();
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| 55 | }
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| 56 |
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[13183] | 57 | private readonly object compileLock = new object();
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| 58 | private T compiledInstance;
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| 59 | protected T CompiledInstance {
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| 60 | get {
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| 61 | if (compiledInstance == null) {
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| 62 | lock (compileLock) {
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| 63 | if (compiledInstance == null) {
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| 64 | Compile();
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| 65 | }
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| 66 | }
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| 67 | }
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| 68 | return compiledInstance;
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| 69 | }
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| 70 | private set { compiledInstance = value; }
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| 71 | }
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| 72 |
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| 73 | public override Assembly Compile() {
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| 74 | var assembly = base.Compile();
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| 75 | var types = assembly.GetTypes();
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| 76 | if (!types.Any(x => typeof(CompiledOptimizationSupport).IsAssignableFrom(x)))
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| 77 | throw new OptimizationSupportException("The compiled code doesn't contain an optimization support." + Environment.NewLine + "The support class must be a subclass of CompiledOptimizationSupport.");
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| 78 | if (types.Count(x => typeof(CompiledOptimizationSupport).IsAssignableFrom(x)) > 1)
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| 79 | throw new OptimizationSupportException("The compiled code contains multiple support classes." + Environment.NewLine + "Only one subclass of CompiledOptimizationSupport is allowed.");
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| 80 |
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| 81 | CompiledOptimizationSupport inst;
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| 82 | try {
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| 83 | inst = (CompiledOptimizationSupport)Activator.CreateInstance(types.Single(x => typeof(CompiledOptimizationSupport).IsAssignableFrom(x)));
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| 84 | inst.vars = new Variables(VariableStore);
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| 85 | } catch (Exception e) {
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| 86 | compiledInstance = null;
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| 87 | throw new OptimizationSupportException("Instantiating the optimization support class failed." + Environment.NewLine + "Check your default constructor.", e);
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| 88 | }
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| 89 |
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| 90 | var concreteInst = inst as T;
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| 91 | if (concreteInst == null)
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| 92 | throw new OptimizationSupportException("The optimization support class does not implement ISingleObjectiveOptimizationSupport." + Environment.NewLine + "Please implement that interface in the subclass of CompiledOptimizationSupport.");
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| 93 |
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| 94 | CompiledInstance = concreteInst;
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| 95 |
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| 96 | return assembly;
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| 97 | }
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| 98 |
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| 99 | protected override void OnCodeChanged() {
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| 100 | base.OnCodeChanged();
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| 101 | compiledInstance = null;
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| 102 | }
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| 103 | }
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| 104 | } |
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