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source: trunk/sources/HeuristicLab.Algorithms.TabuSearch/3.3/TabuSearch.cs @ 4068

Last change on this file since 4068 was 4068, checked in by swagner, 14 years ago

Sorted usings and removed unused usings in entire solution (#1094)
File size: 22.7 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System;
23using System.Collections.Generic;
24using System.Linq;
25using HeuristicLab.Analysis;
26using HeuristicLab.Common;
27using HeuristicLab.Core;
28using HeuristicLab.Data;
29using HeuristicLab.Optimization;
30using HeuristicLab.Optimization.Operators;
31using HeuristicLab.Parameters;
32using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
33using HeuristicLab.Random;
34
35namespace HeuristicLab.Algorithms.TabuSearch {
36  [Item("Tabu Search", "A tabu search algorithm.")]
37  [Creatable("Algorithms")]
38  [StorableClass]
39  public sealed class TabuSearch : EngineAlgorithm {
40    #region Problem Properties
41    public override Type ProblemType {
42      get { return typeof(ISingleObjectiveProblem); }
43    }
44    public new ISingleObjectiveProblem Problem {
45      get { return (ISingleObjectiveProblem)base.Problem; }
46      set { base.Problem = value; }
47    }
48    #endregion
49
50    #region Parameter Properties
51    private ValueParameter<IntValue> SeedParameter {
52      get { return (ValueParameter<IntValue>)Parameters["Seed"]; }
53    }
54    private ValueParameter<BoolValue> SetSeedRandomlyParameter {
55      get { return (ValueParameter<BoolValue>)Parameters["SetSeedRandomly"]; }
56    }
57    private ConstrainedValueParameter<IMoveGenerator> MoveGeneratorParameter {
58      get { return (ConstrainedValueParameter<IMoveGenerator>)Parameters["MoveGenerator"]; }
59    }
60    private ConstrainedValueParameter<IMoveMaker> MoveMakerParameter {
61      get { return (ConstrainedValueParameter<IMoveMaker>)Parameters["MoveMaker"]; }
62    }
63    private ConstrainedValueParameter<ISingleObjectiveMoveEvaluator> MoveEvaluatorParameter {
64      get { return (ConstrainedValueParameter<ISingleObjectiveMoveEvaluator>)Parameters["MoveEvaluator"]; }
65    }
66    private ConstrainedValueParameter<ITabuChecker> TabuCheckerParameter {
67      get { return (ConstrainedValueParameter<ITabuChecker>)Parameters["TabuChecker"]; }
68    }
69    private ConstrainedValueParameter<ITabuMaker> TabuMakerParameter {
70      get { return (ConstrainedValueParameter<ITabuMaker>)Parameters["TabuMaker"]; }
71    }
72    private ValueParameter<IntValue> TabuTenureParameter {
73      get { return (ValueParameter<IntValue>)Parameters["TabuTenure"]; }
74    }
75    private ValueParameter<IntValue> MaximumIterationsParameter {
76      get { return (ValueParameter<IntValue>)Parameters["MaximumIterations"]; }
77    }
78    private ValueParameter<IntValue> SampleSizeParameter {
79      get { return (ValueParameter<IntValue>)Parameters["SampleSize"]; }
80    }
81    private ValueParameter<MultiAnalyzer> AnalyzerParameter {
82      get { return (ValueParameter<MultiAnalyzer>)Parameters["Analyzer"]; }
83    }
84    #endregion
85
86    #region Properties
87    public IntValue Seed {
88      get { return SeedParameter.Value; }
89      set { SeedParameter.Value = value; }
90    }
91    public BoolValue SetSeedRandomly {
92      get { return SetSeedRandomlyParameter.Value; }
93      set { SetSeedRandomlyParameter.Value = value; }
94    }
95    public IMoveGenerator MoveGenerator {
96      get { return MoveGeneratorParameter.Value; }
97      set { MoveGeneratorParameter.Value = value; }
98    }
99    public IMoveMaker MoveMaker {
100      get { return MoveMakerParameter.Value; }
101      set { MoveMakerParameter.Value = value; }
102    }
103    public ISingleObjectiveMoveEvaluator MoveEvaluator {
104      get { return MoveEvaluatorParameter.Value; }
105      set { MoveEvaluatorParameter.Value = value; }
106    }
107    public ITabuChecker TabuChecker {
108      get { return TabuCheckerParameter.Value; }
109      set { TabuCheckerParameter.Value = value; }
110    }
111    public ITabuMaker TabuMaker {
112      get { return TabuMakerParameter.Value; }
113      set { TabuMakerParameter.Value = value; }
114    }
115    public IntValue TabuTenure {
116      get { return TabuTenureParameter.Value; }
117      set { TabuTenureParameter.Value = value; }
118    }
119    public IntValue MaximumIterations {
120      get { return MaximumIterationsParameter.Value; }
121      set { MaximumIterationsParameter.Value = value; }
122    }
123    public MultiAnalyzer Analyzer {
124      get { return AnalyzerParameter.Value; }
125      set { AnalyzerParameter.Value = value; }
126    }
127    private RandomCreator RandomCreator {
128      get { return (RandomCreator)OperatorGraph.InitialOperator; }
129    }
130    private SolutionsCreator SolutionsCreator {
131      get { return (SolutionsCreator)RandomCreator.Successor; }
132    }
133    private TabuSearchMainLoop MainLoop {
134      get { return (TabuSearchMainLoop)SolutionsCreator.Successor; }
135    }
136    [Storable]
137    private BestAverageWorstQualityAnalyzer moveQualityAnalyzer;
138    [Storable]
139    private TabuNeighborhoodAnalyzer tabuNeighborhoodAnalyzer;
140    #endregion
141
142    public TabuSearch()
143      : base() {
144      Parameters.Add(new ValueParameter<IntValue>("Seed", "The random seed used to initialize the new pseudo random number generator.", new IntValue(0)));
145      Parameters.Add(new ValueParameter<BoolValue>("SetSeedRandomly", "True if the random seed should be set to a random value, otherwise false.", new BoolValue(true)));
146      Parameters.Add(new ConstrainedValueParameter<IMoveGenerator>("MoveGenerator", "The operator used to generate moves to the neighborhood of the current solution."));
147      Parameters.Add(new ConstrainedValueParameter<IMoveMaker>("MoveMaker", "The operator used to perform a move."));
148      Parameters.Add(new ConstrainedValueParameter<ISingleObjectiveMoveEvaluator>("MoveEvaluator", "The operator used to evaluate a move."));
149      Parameters.Add(new ConstrainedValueParameter<ITabuChecker>("TabuChecker", "The operator to check whether a move is tabu or not."));
150      Parameters.Add(new ConstrainedValueParameter<ITabuMaker>("TabuMaker", "The operator used to insert attributes of a move into the tabu list."));
151      Parameters.Add(new ValueParameter<IntValue>("TabuTenure", "The length of the tabu list.", new IntValue(10)));
152      Parameters.Add(new ValueParameter<IntValue>("MaximumIterations", "The maximum number of generations which should be processed.", new IntValue(1000)));
153      Parameters.Add(new ValueParameter<IntValue>("SampleSize", "The neighborhood size for stochastic sampling move generators", new IntValue(100)));
154      Parameters.Add(new ValueParameter<MultiAnalyzer>("Analyzer", "The operator used to analyze the solution.", new MultiAnalyzer()));
155
156      RandomCreator randomCreator = new RandomCreator();
157      SolutionsCreator solutionsCreator = new SolutionsCreator();
158      TabuSearchMainLoop tsMainLoop = new TabuSearchMainLoop();
159      OperatorGraph.InitialOperator = randomCreator;
160
161      randomCreator.RandomParameter.ActualName = "Random";
162      randomCreator.SeedParameter.ActualName = SeedParameter.Name;
163      randomCreator.SeedParameter.Value = null;
164      randomCreator.SetSeedRandomlyParameter.ActualName = SetSeedRandomlyParameter.Name;
165      randomCreator.SetSeedRandomlyParameter.Value = null;
166      randomCreator.Successor = solutionsCreator;
167
168      solutionsCreator.NumberOfSolutions = new IntValue(1);
169      solutionsCreator.Successor = tsMainLoop;
170
171      tsMainLoop.MoveGeneratorParameter.ActualName = MoveGeneratorParameter.Name;
172      tsMainLoop.MoveMakerParameter.ActualName = MoveMakerParameter.Name;
173      tsMainLoop.MoveEvaluatorParameter.ActualName = MoveEvaluatorParameter.Name;
174      tsMainLoop.TabuCheckerParameter.ActualName = TabuCheckerParameter.Name;
175      tsMainLoop.TabuMakerParameter.ActualName = TabuMakerParameter.Name;
176      tsMainLoop.MaximumIterationsParameter.ActualName = MaximumIterationsParameter.Name;
177      tsMainLoop.RandomParameter.ActualName = RandomCreator.RandomParameter.ActualName;
178      tsMainLoop.ResultsParameter.ActualName = "Results";
179      tsMainLoop.AnalyzerParameter.ActualName = AnalyzerParameter.Name;
180
181      moveQualityAnalyzer = new BestAverageWorstQualityAnalyzer();
182      tabuNeighborhoodAnalyzer = new TabuNeighborhoodAnalyzer();
183      ParameterizeAnalyzers();
184      UpdateAnalyzers();
185
186      Initialize();
187    }
188    [StorableConstructor]
189    private TabuSearch(bool deserializing) : base(deserializing) { }
190
191    public override IDeepCloneable Clone(Cloner cloner) {
192      TabuSearch clone = (TabuSearch)base.Clone(cloner);
193      clone.moveQualityAnalyzer = (BestAverageWorstQualityAnalyzer)cloner.Clone(moveQualityAnalyzer);
194      clone.tabuNeighborhoodAnalyzer = (TabuNeighborhoodAnalyzer)cloner.Clone(tabuNeighborhoodAnalyzer);
195      clone.Initialize();
196      return clone;
197    }
198
199    public override void Prepare() {
200      if (Problem != null && MoveGenerator != null && MoveMaker != null && MoveEvaluator != null &&
201          TabuChecker != null && TabuMaker != null)
202        base.Prepare();
203    }
204
205    #region Events
206    protected override void OnProblemChanged() {
207      ParameterizeStochasticOperator(Problem.SolutionCreator);
208      ParameterizeStochasticOperator(Problem.Evaluator);
209      foreach (IOperator op in Problem.Operators) ParameterizeStochasticOperator(op);
210      foreach (ISingleObjectiveMoveEvaluator op in Problem.Operators.OfType<ISingleObjectiveMoveEvaluator>()) {
211        op.MoveQualityParameter.ActualNameChanged += new EventHandler(MoveEvaluator_MoveQualityParameter_ActualNameChanged);
212      }
213      foreach (ITabuChecker op in Problem.Operators.OfType<ITabuChecker>()) {
214        op.MoveTabuParameter.ActualNameChanged += new EventHandler(TabuChecker_MoveTabuParameter_ActualNameChanged);
215      }
216      ParameterizeSolutionsCreator();
217      ParameterizeMainLoop();
218      UpdateMoveGenerator();
219      UpdateMoveParameters();
220      UpdateAnalyzers();
221      ParameterizeMoveGenerators();
222      ParameterizeMoveEvaluator();
223      ParameterizeMoveMaker();
224      ParameterizeTabuMaker();
225      ParameterizeTabuChecker();
226      ParameterizeAnalyzers();
227      ParameterizeIterationBasedOperators();
228      Problem.Evaluator.QualityParameter.ActualNameChanged += new EventHandler(Evaluator_QualityParameter_ActualNameChanged);
229      base.OnProblemChanged();
230    }
231    protected override void Problem_SolutionCreatorChanged(object sender, EventArgs e) {
232      ParameterizeStochasticOperator(Problem.SolutionCreator);
233      ParameterizeSolutionsCreator();
234      base.Problem_SolutionCreatorChanged(sender, e);
235    }
236    protected override void Problem_EvaluatorChanged(object sender, EventArgs e) {
237      ParameterizeStochasticOperator(Problem.Evaluator);
238      ParameterizeSolutionsCreator();
239      ParameterizeMainLoop();
240      ParameterizeMoveEvaluator();
241      ParameterizeMoveMaker();
242      ParameterizeTabuMaker();
243      ParameterizeTabuChecker();
244      ParameterizeAnalyzers();
245      Problem.Evaluator.QualityParameter.ActualNameChanged += new EventHandler(Evaluator_QualityParameter_ActualNameChanged);
246      base.Problem_EvaluatorChanged(sender, e);
247    }
248    protected override void Problem_OperatorsChanged(object sender, EventArgs e) {
249      foreach (IOperator op in Problem.Operators) ParameterizeStochasticOperator(op);
250      // This may seem pointless, but some operators already have the eventhandler registered, others don't
251      // FIXME: Is there another way to solve this problem?
252      foreach (ISingleObjectiveMoveEvaluator op in Problem.Operators.OfType<ISingleObjectiveMoveEvaluator>()) {
253        op.MoveQualityParameter.ActualNameChanged -= new EventHandler(MoveEvaluator_MoveQualityParameter_ActualNameChanged);
254        op.MoveQualityParameter.ActualNameChanged += new EventHandler(MoveEvaluator_MoveQualityParameter_ActualNameChanged);
255      }
256      foreach (ITabuChecker op in Problem.Operators.OfType<ITabuChecker>()) {
257        op.MoveTabuParameter.ActualNameChanged -= new EventHandler(TabuChecker_MoveTabuParameter_ActualNameChanged);
258        op.MoveTabuParameter.ActualNameChanged += new EventHandler(TabuChecker_MoveTabuParameter_ActualNameChanged);
259      }
260      UpdateMoveGenerator();
261      UpdateMoveParameters();
262      UpdateAnalyzers();
263      ParameterizeMainLoop();
264      ParameterizeMoveGenerators();
265      ParameterizeMoveEvaluator();
266      ParameterizeMoveMaker();
267      ParameterizeTabuMaker();
268      ParameterizeTabuChecker();
269      ParameterizeAnalyzers();
270      ParameterizeIterationBasedOperators();
271      base.Problem_OperatorsChanged(sender, e);
272    }
273    private void Evaluator_QualityParameter_ActualNameChanged(object sender, EventArgs e) {
274      ParameterizeMainLoop();
275      ParameterizeMoveEvaluator();
276      ParameterizeMoveMaker();
277      ParameterizeTabuMaker();
278      ParameterizeTabuChecker();
279    }
280    private void MoveGeneratorParameter_ValueChanged(object sender, EventArgs e) {
281      UpdateMoveParameters();
282    }
283    private void MoveEvaluatorParameter_ValueChanged(object sender, EventArgs e) {
284      ParameterizeMainLoop();
285      ParameterizeMoveEvaluator();
286      ParameterizeMoveMaker();
287      ParameterizeTabuMaker();
288      ParameterizeTabuChecker();
289      ParameterizeAnalyzers();
290    }
291    private void MoveEvaluator_MoveQualityParameter_ActualNameChanged(object sender, EventArgs e) {
292      ParameterizeMainLoop();
293      ParameterizeMoveEvaluator();
294      ParameterizeMoveMaker();
295      ParameterizeTabuMaker();
296      ParameterizeTabuChecker();
297      ParameterizeAnalyzers();
298    }
299    private void TabuCheckerParameter_ValueChanged(object sender, EventArgs e) {
300      ParameterizeMainLoop();
301      ParameterizeAnalyzers();
302    }
303    private void TabuChecker_MoveTabuParameter_ActualNameChanged(object sender, EventArgs e) {
304      ParameterizeMainLoop();
305      ParameterizeAnalyzers();
306    }
307    private void SampleSizeParameter_NameChanged(object sender, EventArgs e) {
308      ParameterizeMoveGenerators();
309    }
310    #endregion
311
312    #region Helpers
313    [StorableHook(HookType.AfterDeserialization)]
314    private void Initialize() {
315      if (Problem != null) {
316        Problem.Evaluator.QualityParameter.ActualNameChanged += new EventHandler(Evaluator_QualityParameter_ActualNameChanged);
317        foreach (ISingleObjectiveMoveEvaluator op in Problem.Operators.OfType<ISingleObjectiveMoveEvaluator>()) {
318          op.MoveQualityParameter.ActualNameChanged += new EventHandler(MoveEvaluator_MoveQualityParameter_ActualNameChanged);
319        }
320      }
321      MoveGeneratorParameter.ValueChanged += new EventHandler(MoveGeneratorParameter_ValueChanged);
322      MoveEvaluatorParameter.ValueChanged += new EventHandler(MoveEvaluatorParameter_ValueChanged);
323      TabuCheckerParameter.ValueChanged += new EventHandler(TabuCheckerParameter_ValueChanged);
324      SampleSizeParameter.NameChanged += new EventHandler(SampleSizeParameter_NameChanged);
325    }
326    private void UpdateMoveGenerator() {
327      IMoveGenerator oldMoveGenerator = MoveGenerator;
328      MoveGeneratorParameter.ValidValues.Clear();
329      if (Problem != null) {
330        foreach (IMoveGenerator generator in Problem.Operators.OfType<IMoveGenerator>().OrderBy(x => x.Name)) {
331          MoveGeneratorParameter.ValidValues.Add(generator);
332        }
333      }
334      if (oldMoveGenerator != null && MoveGeneratorParameter.ValidValues.Any(x => x.GetType() == oldMoveGenerator.GetType()))
335        MoveGenerator = MoveGeneratorParameter.ValidValues.FirstOrDefault(x => x.GetType() == oldMoveGenerator.GetType());
336      if (MoveGenerator == null) {
337        ClearMoveParameters();
338      }
339    }
340    private void UpdateMoveParameters() {
341      IMoveMaker oldMoveMaker = MoveMaker;
342      ISingleObjectiveMoveEvaluator oldMoveEvaluator = MoveEvaluator;
343      ITabuChecker oldTabuMoveEvaluator = TabuChecker;
344      ITabuMaker oldTabuMoveMaker = TabuMaker;
345      ClearMoveParameters();
346      if (MoveGenerator != null) {
347        List<Type> moveTypes = MoveGenerator.GetType().GetInterfaces().Where(x => typeof(IMoveOperator).IsAssignableFrom(x)).ToList();
348        foreach (Type type in moveTypes.ToList()) {
349          if (moveTypes.Any(t => t != type && type.IsAssignableFrom(t)))
350            moveTypes.Remove(type);
351        }
352        foreach (Type type in moveTypes) {
353          var operators = Problem.Operators.Where(x => type.IsAssignableFrom(x.GetType())).OrderBy(x => x.Name);
354          foreach (IMoveMaker moveMaker in operators.OfType<IMoveMaker>())
355            MoveMakerParameter.ValidValues.Add(moveMaker);
356          foreach (ISingleObjectiveMoveEvaluator moveEvaluator in operators.OfType<ISingleObjectiveMoveEvaluator>())
357            MoveEvaluatorParameter.ValidValues.Add(moveEvaluator);
358          foreach (ITabuChecker tabuMoveEvaluator in operators.OfType<ITabuChecker>())
359            TabuCheckerParameter.ValidValues.Add(tabuMoveEvaluator);
360          foreach (ITabuMaker tabuMoveMaker in operators.OfType<ITabuMaker>())
361            TabuMakerParameter.ValidValues.Add(tabuMoveMaker);
362        }
363        if (oldMoveMaker != null) {
364          IMoveMaker mm = MoveMakerParameter.ValidValues.FirstOrDefault(x => x.GetType() == oldMoveMaker.GetType());
365          if (mm != null) MoveMaker = mm;
366        }
367        if (oldMoveEvaluator != null) {
368          ISingleObjectiveMoveEvaluator me = MoveEvaluatorParameter.ValidValues.FirstOrDefault(x => x.GetType() == oldMoveEvaluator.GetType());
369          if (me != null) MoveEvaluator = me;
370        }
371        if (oldTabuMoveMaker != null) {
372          ITabuMaker tmm = TabuMakerParameter.ValidValues.FirstOrDefault(x => x.GetType() == oldTabuMoveMaker.GetType());
373          if (tmm != null) TabuMaker = tmm;
374        }
375        if (oldTabuMoveEvaluator != null) {
376          ITabuChecker tme = TabuCheckerParameter.ValidValues.FirstOrDefault(x => x.GetType() == oldTabuMoveEvaluator.GetType());
377          if (tme != null) TabuChecker = tme;
378        }
379      }
380    }
381    private void UpdateAnalyzers() {
382      Analyzer.Operators.Clear();
383      if (Problem != null) {
384        foreach (IAnalyzer analyzer in Problem.Operators.OfType<IAnalyzer>()) {
385          foreach (IScopeTreeLookupParameter param in analyzer.Parameters.OfType<IScopeTreeLookupParameter>())
386            param.Depth = 0;
387          Analyzer.Operators.Add(analyzer);
388        }
389      }
390      Analyzer.Operators.Add(moveQualityAnalyzer);
391      Analyzer.Operators.Add(tabuNeighborhoodAnalyzer);
392    }
393    private void ClearMoveParameters() {
394      MoveMakerParameter.ValidValues.Clear();
395      MoveEvaluatorParameter.ValidValues.Clear();
396      TabuCheckerParameter.ValidValues.Clear();
397      TabuMakerParameter.ValidValues.Clear();
398    }
399    private void ParameterizeSolutionsCreator() {
400      SolutionsCreator.EvaluatorParameter.ActualName = Problem.EvaluatorParameter.Name;
401      SolutionsCreator.SolutionCreatorParameter.ActualName = Problem.SolutionCreatorParameter.Name;
402    }
403    private void ParameterizeMainLoop() {
404      MainLoop.BestKnownQualityParameter.ActualName = Problem.BestKnownQualityParameter.Name;
405      MainLoop.MaximizationParameter.ActualName = Problem.MaximizationParameter.Name;
406      MainLoop.QualityParameter.ActualName = Problem.Evaluator.QualityParameter.ActualName;
407      if (MoveEvaluator != null)
408        MainLoop.MoveQualityParameter.ActualName = MoveEvaluator.MoveQualityParameter.ActualName;
409      if (TabuChecker != null)
410        MainLoop.MoveTabuParameter.ActualName = TabuChecker.MoveTabuParameter.ActualName;
411    }
412    private void ParameterizeStochasticOperator(IOperator op) {
413      if (op is IStochasticOperator)
414        ((IStochasticOperator)op).RandomParameter.ActualName = RandomCreator.RandomParameter.ActualName;
415    }
416    private void ParameterizeMoveGenerators() {
417      if (Problem != null) {
418        foreach (IMultiMoveGenerator generator in Problem.Operators.OfType<IMultiMoveGenerator>())
419          generator.SampleSizeParameter.ActualName = SampleSizeParameter.Name;
420      }
421    }
422    private void ParameterizeMoveEvaluator() {
423      foreach (ISingleObjectiveMoveEvaluator op in Problem.Operators.OfType<ISingleObjectiveMoveEvaluator>()) {
424        op.QualityParameter.ActualName = Problem.Evaluator.QualityParameter.ActualName;
425      }
426    }
427    private void ParameterizeMoveMaker() {
428      foreach (IMoveMaker op in Problem.Operators.OfType<IMoveMaker>()) {
429        op.QualityParameter.ActualName = Problem.Evaluator.QualityParameter.ActualName;
430        if (MoveEvaluator != null)
431          op.MoveQualityParameter.ActualName = MoveEvaluator.MoveQualityParameter.ActualName;
432      }
433    }
434    private void ParameterizeTabuMaker() {
435      foreach (ITabuMaker op in Problem.Operators.OfType<ITabuMaker>()) {
436        op.QualityParameter.ActualName = Problem.Evaluator.QualityParameter.ActualName;
437        if (MoveEvaluator != null)
438          op.MoveQualityParameter.ActualName = MoveEvaluator.MoveQualityParameter.ActualName;
439      }
440    }
441    private void ParameterizeTabuChecker() {
442      foreach (ITabuChecker op in Problem.Operators.OfType<ITabuChecker>()) {
443        if (MoveEvaluator != null)
444          op.MoveQualityParameter.ActualName = MoveEvaluator.MoveQualityParameter.ActualName;
445        if (TabuChecker != null)
446          op.MoveTabuParameter.ActualName = TabuChecker.MoveTabuParameter.ActualName;
447      }
448    }
449    private void ParameterizeAnalyzers() {
450      moveQualityAnalyzer.ResultsParameter.ActualName = "Results";
451      tabuNeighborhoodAnalyzer.ResultsParameter.ActualName = "Results";
452      tabuNeighborhoodAnalyzer.PercentTabuParameter.ActualName = "PercentTabu";
453      if (Problem != null) {
454        moveQualityAnalyzer.MaximizationParameter.ActualName = Problem.MaximizationParameter.Name;
455        if (MoveEvaluator != null)
456          moveQualityAnalyzer.QualityParameter.ActualName = MoveEvaluator.MoveQualityParameter.ActualName;
457        moveQualityAnalyzer.BestKnownQualityParameter.ActualName = Problem.BestKnownQualityParameter.Name;
458        if (TabuChecker != null)
459          tabuNeighborhoodAnalyzer.IsTabuParameter.ActualName = TabuChecker.MoveTabuParameter.ActualName;
460      }
461    }
462    private void ParameterizeIterationBasedOperators() {
463      if (Problem != null) {
464        foreach (IIterationBasedOperator op in Problem.Operators.OfType<IIterationBasedOperator>()) {
465          op.IterationsParameter.ActualName = "Iterations";
466          op.MaximumIterationsParameter.ActualName = MaximumIterationsParameter.Name;
467        }
468      }
469    }
470    #endregion
471  }
472}
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