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source: branches/ProgrammableProblem/HeuristicLab.Problems.Programmable/3.3/Operators/SingleObjectiveAnalyzer.cs @ 11598

Last change on this file since 11598 was 11598, checked in by mkommend, 8 years ago

#2174: Added first version of refactored individuals.

File size: 3.1 KB
Line 
1using System;
2using System.Collections.Generic;
3using System.Linq;
4using HeuristicLab.Common;
5using HeuristicLab.Core;
6using HeuristicLab.Data;
7using HeuristicLab.Operators;
8using HeuristicLab.Optimization;
9using HeuristicLab.Parameters;
10using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
11
12namespace HeuristicLab.Problems.Programmable {
13  [Item("Single-objective Analyzer", "Calls the script's Analyze method to be able to write into the results collection.")]
14  [StorableClass]
15  public class SingleObjectiveAnalyzer : SingleSuccessorOperator, ISingleObjectiveProgrammableProblemAnalyzer {
16    public bool EnabledByDefault { get { return true; } }
17
18    public ILookupParameter<ISingleObjectiveProblemDefinition> ProblemDefinitionParameter {
19      get { return (ILookupParameter<ISingleObjectiveProblemDefinition>)Parameters["ProblemDefinition"]; }
20    }
21
22    public ILookupParameter<IEncoding> EncodingParameter {
23      get { return (ILookupParameter<IEncoding>)Parameters["Encoding"]; }
24    }
25
26    public IScopeTreeLookupParameter<DoubleValue> QualityParameter {
27      get { return (IScopeTreeLookupParameter<DoubleValue>)Parameters["Quality"]; }
28    }
29
30    public ILookupParameter<ResultCollection> ResultsParameter {
31      get { return (ILookupParameter<ResultCollection>)Parameters["Results"]; }
32    }
33
34    [StorableConstructor]
35    protected SingleObjectiveAnalyzer(bool deserializing) : base(deserializing) { }
36    protected SingleObjectiveAnalyzer(SingleObjectiveAnalyzer original, Cloner cloner) : base(original, cloner) { }
37    public SingleObjectiveAnalyzer() {
38      Parameters.Add(new LookupParameter<IRandom>("Random", "The random number generator to use."));
39      Parameters.Add(new LookupParameter<ISingleObjectiveProblemDefinition>("ProblemDefinition", "The host that holds the problem definition."));
40      Parameters.Add(new LookupParameter<IEncoding>("Encoding", "An item that holds the problem's encoding."));
41      Parameters.Add(new ScopeTreeLookupParameter<DoubleValue>("Quality", "The quality of the parameter vector."));
42      Parameters.Add(new LookupParameter<ResultCollection>("Results", "The results collection to write to."));
43    }
44
45    public override IDeepCloneable Clone(Cloner cloner) {
46      return new SingleObjectiveAnalyzer(this, cloner);
47    }
48
49    public override IOperation Apply() {
50      var definition = ProblemDefinitionParameter.ActualValue;
51      if (definition == null) throw new InvalidOperationException("Problem definition is null");
52      var encoding = EncodingParameter.ActualValue;
53      var results = ResultsParameter.ActualValue;
54
55      IEnumerable<IScope> scopes = new[] { ExecutionContext.Scope };
56      for (var i = 0; i < QualityParameter.Depth; i++)
57        scopes = scopes.Select(x => (IEnumerable<IScope>)x.SubScopes).Aggregate((a, b) => a.Concat(b));
58
59      var individuals = scopes.Select(encoding.CreateIndividual).ToArray();
60      definition.Analyze(individuals, QualityParameter.ActualValue.Select(x => x.Value).ToArray(), results);
61      return base.Apply();
62    }
63  }
64}
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