[12120] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2015 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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[12138] | 22 | using System.Linq;
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[12120] | 23 | using HeuristicLab.Common;
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| 24 | using HeuristicLab.Core;
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[12136] | 25 | using HeuristicLab.Data;
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[12120] | 26 | using HeuristicLab.Operators;
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[12138] | 27 | using HeuristicLab.Optimization;
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[12136] | 28 | using HeuristicLab.Optimization.Operators;
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| 29 | using HeuristicLab.Parameters;
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[12120] | 30 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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[12136] | 31 | using HeuristicLab.Selection;
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[12120] | 32 |
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| 33 | namespace HeuristicLab.Algorithms.ALPS.SteadyState {
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| 34 | [Item("AlpsSsGeneticAlgorithmMainLoop", "An ALPS steady-state genetic algorithm main loop operator.")]
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| 35 | [StorableClass]
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| 36 | public class AlpsSsGeneticAlgorithmMainLoop : AlgorithmOperator {
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[12136] | 37 | #region Parameter Properties
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| 38 | public ValueLookupParameter<BoolValue> MaximizationParameter {
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| 39 | get { return (ValueLookupParameter<BoolValue>)Parameters["Maximization"]; }
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| 40 | }
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| 41 | public ScopeTreeLookupParameter<DoubleValue> QualityParameter {
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| 42 | get { return (ScopeTreeLookupParameter<DoubleValue>)Parameters["Quality"]; }
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| 43 | }
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| 44 | public ILookupParameter<IntValue> MaximumIterationsParameter {
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| 45 | get { return (ILookupParameter<IntValue>)Parameters["MaximumIterations"]; }
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| 46 | }
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| 47 | public ILookupParameter<IOperator> AnalyzerParameter {
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| 48 | get { return (ILookupParameter<IOperator>)Parameters["Analyzer"]; }
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| 49 | }
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| 50 | public ILookupParameter<IOperator> LayerAnalyzerParameter {
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| 51 | get { return (ILookupParameter<IOperator>)Parameters["LayerAnalyzer"]; }
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| 52 | }
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| 53 | #endregion
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| 54 |
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[12120] | 55 | [StorableConstructor]
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| 56 | private AlpsSsGeneticAlgorithmMainLoop(bool deserializing)
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| 57 | : base(deserializing) { }
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| 58 | private AlpsSsGeneticAlgorithmMainLoop(AlpsSsGeneticAlgorithmMainLoop original, Cloner cloner)
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| 59 | : base(original, cloner) { }
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| 60 | public override IDeepCloneable Clone(Cloner cloner) {
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| 61 | return new AlpsSsGeneticAlgorithmMainLoop(this, cloner);
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| 62 | }
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| 63 |
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| 64 | public AlpsSsGeneticAlgorithmMainLoop()
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| 65 | : base() {
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[12136] | 66 | Parameters.Add(new ValueLookupParameter<BoolValue>("Maximization", "True if the problem is a maximization problem, otherwise false."));
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| 67 | Parameters.Add(new ScopeTreeLookupParameter<DoubleValue>("Quality", "The value which represents the quality of a solution."));
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| 68 | Parameters.Add(new LookupParameter<IntValue>("MaximumIterations", "The maximum number of iterations that the algorithm should process."));
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| 69 | Parameters.Add(new LookupParameter<IOperator>("Analyzer", "The operator used to the analyze all individuals."));
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| 70 | Parameters.Add(new LookupParameter<IOperator>("LayerAnalyzer", "The operator used to analyze each layer."));
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| 71 |
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| 72 | var variableCreator = new VariableCreator() { Name = "Initialize" };
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[12192] | 73 | var resultsColletor = new ResultsCollector();
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[12159] | 74 | var layersProcessor = new NamedSubScopeProcessor() { Name = "Process Layers" };
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[12192] | 75 | var initializeBatchIteration = new Assigner() { Name = "Initialize BatchIterations" };
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| 76 | var randomLayerProcessor = new RandomLayerProcessor() { Name = "Select a layer" };
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[12136] | 77 | var isLayerZeroComperator = new Comparator() { Name = "IsLayerZero = Layer == 0" };
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| 78 | var isLayerZeroBranch = new ConditionalBranch() { Name = "IsLayerZero?" };
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| 79 | var isDoInitBranch = new ConditionalBranch() { Name = "DoInit?" };
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| 80 | var setTargetIndedxToNextInit = new Assigner() { Name = "TargetIndex = NextInit" };
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| 81 | var incrementNextInit = new IntCounter() { Name = "Incr. NextInit" };
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| 82 | var checkInitFinished = new Comparator() { Name = "DoInit = NextInit >= PopulationSize" };
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[12171] | 83 | var workingScopeProcessor = new NamedSubScopeProcessor() { Name = "WorkingScope Processor" };
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[12136] | 84 | var createRandomIndividual = new SolutionsCreator() { Name = "Create random Individual" };
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| 85 | var initializeAgeProcessor = new UniformSubScopesProcessor();
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| 86 | var initializeAge = new Assigner() { Name = "Initialize Age" };
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[12171] | 87 | var removeEmptySubscope = new SubScopesRemover() { Name = "Remove empty subscope (from solutioncreator)" };
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[12136] | 88 | var selectRandomTargetIndex = new RandomIntAssigner();
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| 89 | var matingPoolCreator = new SteadyStateMatingPoolCreator() { Name = "Create MatingPool" };
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[12159] | 90 | var matingPoolProcessor = new NamedSubScopeProcessor() { Name = "Process MatingPool" };
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[12136] | 91 | var matingPoolSize = new SubScopesCounter() { Name = "MatingPoolSize" };
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| 92 | var matingPoolSizeMin2 = new Comparator() { Name = "ValidParents = MatingPoolSize >= 2" };
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| 93 | var validParentsBranch = new ConditionalBranch() { Name = "ValidParents?" };
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[12138] | 94 | var mainOperator = new AlpsSsGeneticAlgorithmMainOperator();
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[12136] | 95 | var reactivateInit = new Assigner() { Name = "DoInit = true" };
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[12171] | 96 | var resetNextInit = new Assigner() { Name = "NextInit = 1" };
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[12136] | 97 | var resetTargetIndex = new Assigner() { Name = "TargetIndex = 0" };
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[12142] | 98 | var tryMoveUp = new AlpsSsMover() { Name = "Try Move Up" };
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[12192] | 99 | var incrementEvaluations = new IntCounter() { Name = "Incr. EvaluatedSolutions" };
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| 100 | var incrementBatchIterations = new IntCounter() { Name = "Incr. BatchIterations" };
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| 101 | var batchFinishedComperator = new Comparator() { Name = "BatchFinished = BatchIterations >= BatchSize" };
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| 102 | var batchFinishedBranch = new ConditionalBranch() { Name = "BatchFinished?" };
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[12138] | 103 | var incrIterations = new IntCounter() { Name = "Incr. Iterations" };
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[12192] | 104 | var updateResultEvaluatedSolutions = new IntCounter() { Name = "Update ResultEvaluatedSolutions" };
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[12142] | 105 | var layerAnalyzerProcessor = new UniformSubScopesProcessor();
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| 106 | var layerAnalyzer = new Placeholder() { Name = "LayerAnalyzer (Placeholder)" };
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[12138] | 107 | var analyzer = new Placeholder() { Name = "Analyzer (Placeholder)" };
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[12136] | 108 | var iterationsComparator = new Comparator() { Name = "Iterations >= MaximumIterations" };
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| 109 | var terminateBranch = new ConditionalBranch() { Name = "Terminate?" };
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| 110 |
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| 111 |
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| 112 | OperatorGraph.InitialOperator = variableCreator;
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| 113 |
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| 114 | variableCreator.CollectedValues.Add(new ValueParameter<BoolValue>("DoInit", new BoolValue(false)));
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| 115 | variableCreator.CollectedValues.Add(new ValueParameter<IntValue>("NextInit", new IntValue(0)));
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| 116 | variableCreator.CollectedValues.Add(new ValueParameter<IntValue>("OpenLayers", new IntValue(1)));
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| 117 | variableCreator.CollectedValues.Add(new ValueParameter<IntValue>("TargetIndex", new IntValue(0)));
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[12142] | 118 | variableCreator.CollectedValues.Add(new ValueParameter<IntValue>("Iterations", new IntValue(0)));
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| 119 | variableCreator.CollectedValues.Add(new ValueParameter<IntValue>("MatingPoolSize", new IntValue(0)));
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| 120 | variableCreator.CollectedValues.Add(new ValueParameter<BoolValue>("ValidParents", new BoolValue(false)));
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[12159] | 121 | variableCreator.CollectedValues.Add(new ValueParameter<BoolValue>("IsLayerZero", new BoolValue(false)));
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[12192] | 122 | variableCreator.CollectedValues.Add(new ValueParameter<IntValue>("BatchIterations", new IntValue(0)));
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| 123 | variableCreator.Successor = resultsColletor;
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[12136] | 124 |
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[12192] | 125 | resultsColletor.CollectedValues.Add(new LookupParameter<IntValue>("Iterations"));
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| 126 | resultsColletor.Successor = layersProcessor;
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| 127 |
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[12159] | 128 | layersProcessor.TargetScopeParameter.ActualName = "Layers";
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[12192] | 129 | layersProcessor.Operator = initializeBatchIteration;
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[12159] | 130 |
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[12192] | 131 | initializeBatchIteration.LeftSideParameter.ActualName = "BatchIterations";
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| 132 | initializeBatchIteration.RightSideParameter.Value = new IntValue(0);
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| 133 | initializeBatchIteration.Successor = randomLayerProcessor;
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[12136] | 134 |
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[12192] | 135 | randomLayerProcessor.Operator = isLayerZeroComperator;
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| 136 | randomLayerProcessor.Successor = incrementBatchIterations;
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| 137 |
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[12136] | 138 | isLayerZeroComperator.LeftSideParameter.ActualName = "Layer";
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| 139 | isLayerZeroComperator.RightSideParameter.Value = new IntValue(0);
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| 140 | isLayerZeroComperator.ResultParameter.ActualName = "IsLayerZero";
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| 141 | isLayerZeroComperator.Comparison = new Comparison(ComparisonType.Equal);
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| 142 | isLayerZeroComperator.Successor = isLayerZeroBranch;
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| 143 |
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| 144 | isLayerZeroBranch.ConditionParameter.ActualName = "IsLayerZero";
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| 145 | isLayerZeroBranch.TrueBranch = isDoInitBranch;
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| 146 | isLayerZeroBranch.FalseBranch = selectRandomTargetIndex;
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| 147 | isLayerZeroBranch.Successor = tryMoveUp;
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| 148 |
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| 149 | isDoInitBranch.ConditionParameter.ActualName = "DoInit";
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| 150 | isDoInitBranch.TrueBranch = setTargetIndedxToNextInit;
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| 151 | isDoInitBranch.FalseBranch = selectRandomTargetIndex;
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| 152 |
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| 153 | setTargetIndedxToNextInit.LeftSideParameter.ActualName = "TargetIndex";
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| 154 | setTargetIndedxToNextInit.RightSideParameter.ActualName = "NextInit";
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| 155 | setTargetIndedxToNextInit.Successor = incrementNextInit;
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| 156 |
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| 157 | incrementNextInit.ValueParameter.ActualName = "NextInit";
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| 158 | incrementNextInit.Increment = new IntValue(1);
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| 159 | incrementNextInit.Successor = checkInitFinished;
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| 160 |
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| 161 | checkInitFinished.LeftSideParameter.ActualName = "NextInit";
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| 162 | checkInitFinished.RightSideParameter.ActualName = "PopulationSize";
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| 163 | checkInitFinished.Comparison = new Comparison(ComparisonType.GreaterOrEqual);
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| 164 | checkInitFinished.ResultParameter.ActualName = "DoInit";
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[12171] | 165 | checkInitFinished.Successor = workingScopeProcessor;
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[12136] | 166 |
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[12171] | 167 | workingScopeProcessor.Operator = createRandomIndividual;
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| 168 | workingScopeProcessor.TargetScopeParameter.ActualName = "WorkingScope";
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[12136] | 169 |
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| 170 | createRandomIndividual.NumberOfSolutions = new IntValue(1);
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| 171 | createRandomIndividual.Successor = initializeAgeProcessor;
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| 172 |
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| 173 | initializeAgeProcessor.Operator = initializeAge;
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[12171] | 174 | initializeAgeProcessor.Successor = removeEmptySubscope;
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[12136] | 175 |
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| 176 | initializeAge.LeftSideParameter.ActualName = "EvalsCreated";
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| 177 | initializeAge.RightSideParameter.ActualName = "EvaluatedSolutions";
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| 178 |
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| 179 | selectRandomTargetIndex.LeftSideParameter.ActualName = "TargetIndex";
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| 180 | selectRandomTargetIndex.MinimumParameter.Value = new IntValue(0);
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[12159] | 181 | selectRandomTargetIndex.MaximumParameter.ActualName = "LayerSize";
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[12142] | 182 | selectRandomTargetIndex.MaximumParameter.Value = null;
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[12159] | 183 | selectRandomTargetIndex.Successor = matingPoolCreator;
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[12136] | 184 |
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[12159] | 185 | matingPoolCreator.Successor = matingPoolProcessor;
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[12136] | 186 |
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[12159] | 187 | matingPoolProcessor.Operator = matingPoolSize;
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| 188 | matingPoolProcessor.TargetScopeParameter.ActualName = "WorkingScope";
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[12136] | 189 |
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| 190 | matingPoolSize.ValueParameter.ActualName = "MatingPoolSize";
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[12150] | 191 | matingPoolSize.AccumulateParameter.Value = new BoolValue(false);
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[12136] | 192 | matingPoolSize.Successor = matingPoolSizeMin2;
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| 193 |
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| 194 | matingPoolSizeMin2.LeftSideParameter.ActualName = "MatingPoolSize";
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| 195 | matingPoolSizeMin2.RightSideParameter.Value = new IntValue(2);
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| 196 | matingPoolSizeMin2.Comparison = new Comparison(ComparisonType.GreaterOrEqual);
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| 197 | matingPoolSizeMin2.ResultParameter.ActualName = "ValidParents";
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| 198 | matingPoolSizeMin2.Successor = validParentsBranch;
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| 199 |
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[12138] | 200 | validParentsBranch.ConditionParameter.ActualName = "ValidParents";
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[12136] | 201 | validParentsBranch.TrueBranch = mainOperator;
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| 202 | validParentsBranch.FalseBranch = reactivateInit;
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| 203 |
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[12171] | 204 | reactivateInit.Successor = resetNextInit;
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[12136] | 205 | reactivateInit.LeftSideParameter.ActualName = "DoInit";
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| 206 | reactivateInit.RightSideParameter.Value = new BoolValue(true);
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| 207 |
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[12171] | 208 | resetNextInit.Successor = resetTargetIndex;
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| 209 | resetNextInit.LeftSideParameter.ActualName = "NextInit";
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| 210 | resetNextInit.RightSideParameter.Value = new IntValue(1);
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[12136] | 211 |
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| 212 | resetTargetIndex.LeftSideParameter.ActualName = "TargetIndex";
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| 213 | resetTargetIndex.RightSideParameter.Value = new IntValue(0);
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[12171] | 214 | resetTargetIndex.Successor = createRandomIndividual;
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[12136] | 215 |
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[12162] | 216 | tryMoveUp.Successor = incrementEvaluations;
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[12136] | 217 |
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[12192] | 218 | incrementEvaluations.ValueParameter.ActualName = "EvaluatedSolutions";
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[12150] | 219 | incrementEvaluations.Increment = new IntValue(1);
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| 220 |
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[12192] | 221 | incrementBatchIterations.ValueParameter.ActualName = "BatchIterations";
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| 222 | incrementBatchIterations.Increment = new IntValue(1);
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| 223 | incrementBatchIterations.Successor = batchFinishedComperator;
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| 224 |
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| 225 | batchFinishedComperator.LeftSideParameter.ActualName = "BatchIterations";
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| 226 | batchFinishedComperator.RightSideParameter.ActualName = "BatchSize";
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| 227 | batchFinishedComperator.ResultParameter.ActualName = "BatchFinished";
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| 228 | batchFinishedComperator.Successor = batchFinishedBranch;
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| 229 |
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| 230 | batchFinishedBranch.ConditionParameter.ActualName = "BatchFinished";
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| 231 | batchFinishedBranch.TrueBranch = incrIterations;
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| 232 | batchFinishedBranch.FalseBranch = randomLayerProcessor;
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| 233 |
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[12138] | 234 | incrIterations.ValueParameter.ActualName = "Iterations";
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| 235 | incrIterations.Increment = new IntValue(1);
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[12192] | 236 | incrIterations.Successor = updateResultEvaluatedSolutions;
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[12138] | 237 |
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[12192] | 238 | updateResultEvaluatedSolutions.ValueParameter.ActualName = "ResultEvaluatedSolutions";
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| 239 | updateResultEvaluatedSolutions.IncrementParameter.ActualName = "BatchSize";
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| 240 | updateResultEvaluatedSolutions.IncrementParameter.Value = null;
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| 241 | updateResultEvaluatedSolutions.Successor = layerAnalyzerProcessor;
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| 242 |
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[12142] | 243 | layerAnalyzerProcessor.Operator = layerAnalyzer;
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| 244 | layerAnalyzerProcessor.Successor = analyzer;
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| 245 |
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| 246 | layerAnalyzer.OperatorParameter.ActualName = "LayerAnalyzer";
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| 247 |
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[12138] | 248 | analyzer.OperatorParameter.ActualName = "Analyzer";
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| 249 | analyzer.Successor = iterationsComparator;
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| 250 |
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[12136] | 251 | iterationsComparator.Comparison = new Comparison(ComparisonType.GreaterOrEqual);
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| 252 | iterationsComparator.LeftSideParameter.ActualName = "Iterations";
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| 253 | iterationsComparator.RightSideParameter.ActualName = MaximumIterationsParameter.Name;
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| 254 | iterationsComparator.ResultParameter.ActualName = "Terminate";
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| 255 | iterationsComparator.Successor = terminateBranch;
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| 256 |
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| 257 | terminateBranch.ConditionParameter.ActualName = "Terminate";
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[12192] | 258 | terminateBranch.FalseBranch = initializeBatchIteration;
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[12120] | 259 | }
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| 260 | }
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| 261 | } |
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