[11396] | 1 | using System;
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| 2 | using System.Collections.Generic;
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| 3 | using System.Linq;
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| 4 | using HeuristicLab.Common;
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| 5 | using HeuristicLab.Core;
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| 6 | using HeuristicLab.Data;
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| 7 | using HeuristicLab.Operators;
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| 8 | using HeuristicLab.Optimization;
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| 9 | using HeuristicLab.Parameters;
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| 10 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 11 |
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| 12 | namespace HeuristicLab.Problems.Programmable {
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| 13 | [Item("Single-objective Analyzer", "Calls the script's Analyze method to be able to write into the results collection.")]
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| 14 | [StorableClass]
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| 15 | public class SingleObjectiveAnalyzer : SingleSuccessorOperator, ISingleObjectiveProgrammableProblemAnalyzer {
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| 16 | public bool EnabledByDefault { get { return true; } }
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| 17 |
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[11484] | 18 | public ILookupParameter<ISingleObjectiveProblemDefinition> ProblemDefinitionParameter {
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| 19 | get { return (ILookupParameter<ISingleObjectiveProblemDefinition>)Parameters["ProblemDefinition"]; }
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[11396] | 20 | }
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| 21 |
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[11559] | 22 | public ILookupParameter<IEncoding> EncodingParameter {
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| 23 | get { return (ILookupParameter<IEncoding>)Parameters["Encoding"]; }
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[11396] | 24 | }
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| 25 |
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| 26 | public IScopeTreeLookupParameter<DoubleValue> QualityParameter {
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| 27 | get { return (IScopeTreeLookupParameter<DoubleValue>)Parameters["Quality"]; }
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| 28 | }
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| 29 |
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| 30 | public ILookupParameter<ResultCollection> ResultsParameter {
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| 31 | get { return (ILookupParameter<ResultCollection>)Parameters["Results"]; }
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| 32 | }
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| 33 |
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| 34 | [StorableConstructor]
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| 35 | protected SingleObjectiveAnalyzer(bool deserializing) : base(deserializing) { }
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| 36 | protected SingleObjectiveAnalyzer(SingleObjectiveAnalyzer original, Cloner cloner) : base(original, cloner) { }
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| 37 | public SingleObjectiveAnalyzer() {
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| 38 | Parameters.Add(new LookupParameter<IRandom>("Random", "The random number generator to use."));
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[11484] | 39 | Parameters.Add(new LookupParameter<ISingleObjectiveProblemDefinition>("ProblemDefinition", "The host that holds the problem definition."));
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[11559] | 40 | Parameters.Add(new LookupParameter<IEncoding>("Encoding", "An item that holds the problem's encoding."));
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[11396] | 41 | Parameters.Add(new ScopeTreeLookupParameter<DoubleValue>("Quality", "The quality of the parameter vector."));
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| 42 | Parameters.Add(new LookupParameter<ResultCollection>("Results", "The results collection to write to."));
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| 43 | }
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| 44 |
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| 45 | public override IDeepCloneable Clone(Cloner cloner) {
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| 46 | return new SingleObjectiveAnalyzer(this, cloner);
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| 47 | }
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| 48 |
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| 49 | public override IOperation Apply() {
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[11484] | 50 | var definition = ProblemDefinitionParameter.ActualValue;
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| 51 | if (definition == null) throw new InvalidOperationException("Problem definition is null");
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[11598] | 52 | var encoding = EncodingParameter.ActualValue;
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[11396] | 53 | var results = ResultsParameter.ActualValue;
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| 54 |
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| 55 | IEnumerable<IScope> scopes = new[] { ExecutionContext.Scope };
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| 56 | for (var i = 0; i < QualityParameter.Depth; i++)
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| 57 | scopes = scopes.Select(x => (IEnumerable<IScope>)x.SubScopes).Aggregate((a, b) => a.Concat(b));
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| 58 |
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[11598] | 59 | var individuals = scopes.Select(encoding.CreateIndividual).ToArray();
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| 60 | definition.Analyze(individuals, QualityParameter.ActualValue.Select(x => x.Value).ToArray(), results);
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[11396] | 61 | return base.Apply();
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| 62 | }
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| 63 | }
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| 64 | }
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