Example #1
0
        private void Initialize()
        {
            #region Create parameters
            Parameters.Add(new ValueLookupParameter <IRandom>("Random", "A pseudo random number generator."));
            Parameters.Add(new ValueLookupParameter <BoolValue>("Maximization", "True if the problem is a maximization problem, otherwise false."));
            Parameters.Add(new ScopeTreeLookupParameter <DoubleValue>("Quality", "The value which represents the quality of a solution."));
            Parameters.Add(new ValueLookupParameter <IOperator>("Selector", "The operator used to select solutions for reproduction."));
            Parameters.Add(new ValueLookupParameter <IOperator>("Crossover", "The operator used to cross solutions."));
            Parameters.Add(new ValueLookupParameter <PercentValue>("MutationProbability", "The probability that the mutation operator is applied on a solution."));
            Parameters.Add(new ValueLookupParameter <IOperator>("Mutator", "The operator used to mutate solutions."));
            Parameters.Add(new ValueLookupParameter <IOperator>("Evaluator", "The operator used to evaluate solutions. This operator is executed in parallel, if an engine is used which supports parallelization."));
            Parameters.Add(new ValueLookupParameter <IntValue>("Elites", "The numer of elite solutions which are kept in each generation."));
            Parameters.Add(new ValueLookupParameter <BoolValue>("ReevaluateElites", "Flag to determine if elite individuals should be reevaluated (i.e., if stochastic fitness functions are used.)"));
            Parameters.Add(new ValueLookupParameter <IntValue>("MaximumGenerations", "The maximum number of generations which should be processed."));
            Parameters.Add(new ValueLookupParameter <VariableCollection>("Results", "The variable collection where results should be stored."));
            Parameters.Add(new ValueLookupParameter <IOperator>("Analyzer", "The operator used to analyze each generation."));
            Parameters.Add(new ValueLookupParameter <IntValue>("EvaluatedSolutions", "The number of times solutions have been evaluated."));
            Parameters.Add(new ValueLookupParameter <IntValue>("PopulationSize", "The size of the population."));
            Parameters.Add(new ValueLookupParameter <IntValue>("MinimumPopulationSize", "The minimum size of the population of solutions."));
            Parameters.Add(new ValueLookupParameter <IntValue>("MaximumPopulationSize", "The maximum size of the population of solutions."));
            Parameters.Add(new ValueLookupParameter <DoubleValue>("ComparisonFactor", "The comparison factor."));
            Parameters.Add(new ValueLookupParameter <IntValue>("Effort", "The maximum number of offspring created in each generation."));
            Parameters.Add(new ValueLookupParameter <IntValue>("BatchSize", "The number of children that should be created during one iteration of the offspring creation process."));
            Parameters.Add(new ValueLookupParameter <ISolutionSimilarityCalculator>("SimilarityCalculator", "The operator used to calculate the similarity between two solutions."));
            Parameters.Add(new ScopeParameter("CurrentScope", "The current scope which represents a population of solutions on which the genetic algorithm should be applied."));
            #endregion

            #region Create operators
            VariableCreator                  variableCreator           = new VariableCreator();
            Assigner                         assigner1                 = new Assigner();
            ResultsCollector                 resultsCollector          = new ResultsCollector();
            Placeholder                      analyzer1                 = new Placeholder();
            Placeholder                      selector                  = new Placeholder();
            SubScopesProcessor               subScopesProcessor1       = new SubScopesProcessor();
            ChildrenCreator                  childrenCreator           = new ChildrenCreator();
            UniformSubScopesProcessor        uniformSubScopesProcessor = new UniformSubScopesProcessor();
            Placeholder                      crossover                 = new Placeholder();
            StochasticBranch                 stochasticBranch          = new StochasticBranch();
            Placeholder                      mutator   = new Placeholder();
            Placeholder                      evaluator = new Placeholder();
            WeightedParentsQualityComparator weightedParentsQualityComparator = new WeightedParentsQualityComparator();
            SubScopesRemover                 subScopesRemover             = new SubScopesRemover();
            IntCounter                       intCounter1                  = new IntCounter();
            IntCounter                       intCounter2                  = new IntCounter();
            ConditionalSelector              conditionalSelector          = new ConditionalSelector();
            RightReducer                     rightReducer1                = new RightReducer();
            DuplicatesSelector               duplicateSelector            = new DuplicatesSelector();
            LeftReducer                      leftReducer1                 = new LeftReducer();
            ProgressiveOffspringPreserver    progressiveOffspringSelector = new ProgressiveOffspringPreserver();
            SubScopesCounter                 subScopesCounter2            = new SubScopesCounter();
            ExpressionCalculator             calculator1                  = new ExpressionCalculator();
            ConditionalBranch                conditionalBranch1           = new ConditionalBranch();
            Comparator                       comparator1                  = new Comparator();
            ConditionalBranch                conditionalBranch2           = new ConditionalBranch();
            LeftReducer                      leftReducer2                 = new LeftReducer();
            SubScopesProcessor               subScopesProcessor2          = new SubScopesProcessor();
            BestSelector                     bestSelector                 = new BestSelector();
            RightReducer                     rightReducer2                = new RightReducer();
            ScopeCleaner                     scopeCleaner                 = new ScopeCleaner();
            ScopeRestorer                    scopeRestorer                = new ScopeRestorer();
            MergingReducer                   mergingReducer               = new MergingReducer();
            IntCounter                       intCounter3                  = new IntCounter();
            SubScopesCounter                 subScopesCounter3            = new SubScopesCounter();
            ExpressionCalculator             calculator2                  = new ExpressionCalculator();
            Comparator                       comparator2                  = new Comparator();
            ConditionalBranch                conditionalBranch3           = new ConditionalBranch();
            Placeholder                      analyzer2                  = new Placeholder();
            Comparator                       comparator3                = new Comparator();
            ConditionalBranch                conditionalBranch4         = new ConditionalBranch();
            Comparator                       comparator4                = new Comparator();
            ConditionalBranch                conditionalBranch5         = new ConditionalBranch();
            Assigner                         assigner3                  = new Assigner();
            Assigner                         assigner4                  = new Assigner();
            Assigner                         assigner5                  = new Assigner();
            ConditionalBranch                reevaluateElitesBranch     = new ConditionalBranch();
            UniformSubScopesProcessor        uniformSubScopesProcessor2 = new UniformSubScopesProcessor();
            Placeholder                      evaluator2                 = new Placeholder();
            SubScopesCounter                 subScopesCounter4          = new SubScopesCounter();

            variableCreator.CollectedValues.Add(new ValueParameter <IntValue>("Generations", new IntValue(0))); // Class RAPGA expects this to be called Generations
            variableCreator.CollectedValues.Add(new ValueParameter <IntValue>("CurrentPopulationSize", new IntValue(0)));
            variableCreator.CollectedValues.Add(new ValueParameter <IntValue>("NumberOfCreatedOffspring", new IntValue(0)));
            variableCreator.CollectedValues.Add(new ValueParameter <IntValue>("NumberOfSuccessfulOffspring", new IntValue(0)));
            variableCreator.CollectedValues.Add(new ValueParameter <ScopeList>("OffspringList", new ScopeList()));

            assigner1.Name = "Initialize CurrentPopulationSize";
            assigner1.LeftSideParameter.ActualName  = "CurrentPopulationSize";
            assigner1.RightSideParameter.ActualName = PopulationSizeParameter.Name;

            resultsCollector.CollectedValues.Add(new LookupParameter <IntValue>("Generations"));
            resultsCollector.CollectedValues.Add(new LookupParameter <IntValue>("CurrentPopulationSize"));
            resultsCollector.ResultsParameter.ActualName = "Results";

            analyzer1.Name = "Analyzer";
            analyzer1.OperatorParameter.ActualName = "Analyzer";

            selector.Name = "Selector";
            selector.OperatorParameter.ActualName = "Selector";

            childrenCreator.ParentsPerChild = new IntValue(2);

            uniformSubScopesProcessor.Parallel.Value = true;

            crossover.Name = "Crossover";
            crossover.OperatorParameter.ActualName = "Crossover";

            stochasticBranch.ProbabilityParameter.ActualName = "MutationProbability";
            stochasticBranch.RandomParameter.ActualName      = "Random";

            mutator.Name = "Mutator";
            mutator.OperatorParameter.ActualName = "Mutator";

            evaluator.Name = "Evaluator";
            evaluator.OperatorParameter.ActualName = "Evaluator";

            weightedParentsQualityComparator.ComparisonFactorParameter.ActualName = ComparisonFactorParameter.Name;
            weightedParentsQualityComparator.LeftSideParameter.ActualName         = QualityParameter.Name;
            weightedParentsQualityComparator.MaximizationParameter.ActualName     = MaximizationParameter.Name;
            weightedParentsQualityComparator.RightSideParameter.ActualName        = QualityParameter.Name;
            weightedParentsQualityComparator.ResultParameter.ActualName           = "SuccessfulOffspring";

            subScopesRemover.RemoveAllSubScopes = true;

            intCounter1.Name = "Increment NumberOfCreatedOffspring";
            intCounter1.ValueParameter.ActualName = "NumberOfCreatedOffspring";
            intCounter1.Increment = null;
            intCounter1.IncrementParameter.ActualName = BatchSizeParameter.Name;

            intCounter2.Name = "Increment EvaluatedSolutions";
            intCounter2.ValueParameter.ActualName = EvaluatedSolutionsParameter.Name;
            intCounter2.Increment = null;
            intCounter2.IncrementParameter.ActualName = BatchSizeParameter.Name;

            conditionalSelector.ConditionParameter.ActualName = "SuccessfulOffspring";
            conditionalSelector.ConditionParameter.Depth      = 1;
            conditionalSelector.CopySelected.Value            = false;

            duplicateSelector.CopySelected.Value = false;

            progressiveOffspringSelector.OffspringListParameter.ActualName         = "OffspringList";
            progressiveOffspringSelector.ElitesParameter.ActualName                = ElitesParameter.Name;
            progressiveOffspringSelector.MaximumPopulationSizeParameter.ActualName = MaximumPopulationSizeParameter.Name;

            subScopesCounter2.Name = "Count Successful Offspring";
            subScopesCounter2.ValueParameter.ActualName = "NumberOfSuccessfulOffspring";

            calculator1.Name = "NumberOfSuccessfulOffspring == MaximumPopulationSize - Elites";
            calculator1.CollectedValues.Add(new ValueLookupParameter <IntValue>("NumberOfSuccessfulOffspring"));
            calculator1.CollectedValues.Add(new ValueLookupParameter <IntValue>("MaximumPopulationSize"));
            calculator1.CollectedValues.Add(new ValueLookupParameter <IntValue>("Elites"));
            calculator1.ExpressionParameter.Value            = new StringValue("NumberOfSuccessfulOffspring MaximumPopulationSize Elites - ==");
            calculator1.ExpressionResultParameter.ActualName = "Break";

            conditionalBranch1.Name = "Break?";
            conditionalBranch1.ConditionParameter.ActualName = "Break";

            comparator1.Name       = "NumberOfCreatedOffspring >= Effort";
            comparator1.Comparison = new Comparison(ComparisonType.GreaterOrEqual);
            comparator1.LeftSideParameter.ActualName  = "NumberOfCreatedOffspring";
            comparator1.RightSideParameter.ActualName = EffortParameter.Name;
            comparator1.ResultParameter.ActualName    = "Break";

            conditionalBranch2.Name = "Break?";
            conditionalBranch2.ConditionParameter.ActualName = "Break";

            bestSelector.CopySelected = new BoolValue(false);
            bestSelector.MaximizationParameter.ActualName = MaximizationParameter.Name;
            bestSelector.NumberOfSelectedSubScopesParameter.ActualName = "Elites";
            bestSelector.QualityParameter.ActualName = QualityParameter.Name;

            intCounter3.Name      = "Increment Generations";
            intCounter3.Increment = new IntValue(1);
            intCounter3.ValueParameter.ActualName = "Generations";

            subScopesCounter3.Name = "Update CurrentPopulationSize";
            subScopesCounter3.ValueParameter.ActualName = "CurrentPopulationSize";
            subScopesCounter3.AccumulateParameter.Value = new BoolValue(false);

            calculator2.Name = "Evaluate ActualSelectionPressure";
            calculator2.CollectedValues.Add(new ValueLookupParameter <IntValue>("NumberOfCreatedOffspring"));
            calculator2.CollectedValues.Add(new ValueLookupParameter <IntValue>("Elites"));
            calculator2.CollectedValues.Add(new ValueLookupParameter <IntValue>("CurrentPopulationSize"));
            calculator2.ExpressionParameter.Value            = new StringValue("NumberOfCreatedOffspring Elites + CurrentPopulationSize /");
            calculator2.ExpressionResultParameter.ActualName = "ActualSelectionPressure";

            comparator2.Name       = "CurrentPopulationSize < 1";
            comparator2.Comparison = new Comparison(ComparisonType.Less);
            comparator2.LeftSideParameter.ActualName = "CurrentPopulationSize";
            comparator2.RightSideParameter.Value     = new IntValue(1);
            comparator2.ResultParameter.ActualName   = "Terminate";

            conditionalBranch3.Name = "Terminate?";
            conditionalBranch3.ConditionParameter.ActualName = "Terminate";

            analyzer2.Name = "Analyzer";
            analyzer2.OperatorParameter.ActualName = "Analyzer";

            comparator3.Name       = "Generations >= MaximumGenerations";
            comparator3.Comparison = new Comparison(ComparisonType.GreaterOrEqual);
            comparator3.LeftSideParameter.ActualName  = "Generations";
            comparator3.ResultParameter.ActualName    = "Terminate";
            comparator3.RightSideParameter.ActualName = MaximumGenerationsParameter.Name;

            conditionalBranch4.Name = "Terminate?";
            conditionalBranch4.ConditionParameter.ActualName = "Terminate";

            comparator4.Name       = "CurrentPopulationSize < MinimumPopulationSize";
            comparator4.Comparison = new Comparison(ComparisonType.Less);
            comparator4.LeftSideParameter.ActualName  = "CurrentPopulationSize";
            comparator4.RightSideParameter.ActualName = MinimumPopulationSizeParameter.Name;
            comparator4.ResultParameter.ActualName    = "Terminate";

            conditionalBranch5.Name = "Terminate?";
            conditionalBranch5.ConditionParameter.ActualName = "Terminate";

            assigner3.Name = "Reset NumberOfCreatedOffspring";
            assigner3.LeftSideParameter.ActualName = "NumberOfCreatedOffspring";
            assigner3.RightSideParameter.Value     = new IntValue(0);

            assigner4.Name = "Reset NumberOfSuccessfulOffspring";
            assigner4.LeftSideParameter.ActualName = "NumberOfSuccessfulOffspring";
            assigner4.RightSideParameter.Value     = new IntValue(0);

            assigner5.Name = "Reset OffspringList";
            assigner5.LeftSideParameter.ActualName = "OffspringList";
            assigner5.RightSideParameter.Value     = new ScopeList();

            reevaluateElitesBranch.ConditionParameter.ActualName = "ReevaluateElites";
            reevaluateElitesBranch.Name = "Reevaluate elites ?";

            uniformSubScopesProcessor2.Parallel.Value = true;

            evaluator2.Name = "Evaluator (placeholder)";
            evaluator2.OperatorParameter.ActualName = EvaluatorParameter.Name;

            subScopesCounter4.Name = "Increment EvaluatedSolutions";
            subScopesCounter4.ValueParameter.ActualName = EvaluatedSolutionsParameter.Name;
            #endregion

            #region Create operator graph
            OperatorGraph.InitialOperator = variableCreator;
            variableCreator.Successor     = assigner1;
            assigner1.Successor           = resultsCollector;
            resultsCollector.Successor    = analyzer1;
            analyzer1.Successor           = selector;
            selector.Successor            = subScopesProcessor1;
            subScopesProcessor1.Operators.Add(new EmptyOperator());
            subScopesProcessor1.Operators.Add(childrenCreator);
            subScopesProcessor1.Successor       = calculator1;
            childrenCreator.Successor           = uniformSubScopesProcessor;
            uniformSubScopesProcessor.Operator  = crossover;
            uniformSubScopesProcessor.Successor = intCounter1;
            crossover.Successor           = stochasticBranch;
            stochasticBranch.FirstBranch  = mutator;
            stochasticBranch.SecondBranch = null;
            mutator.Successor             = null;
            stochasticBranch.Successor    = evaluator;
            evaluator.Successor           = weightedParentsQualityComparator;
            weightedParentsQualityComparator.Successor = subScopesRemover;
            intCounter1.Successor                  = intCounter2;
            intCounter2.Successor                  = conditionalSelector;
            conditionalSelector.Successor          = rightReducer1;
            rightReducer1.Successor                = duplicateSelector;
            duplicateSelector.Successor            = leftReducer1;
            leftReducer1.Successor                 = progressiveOffspringSelector;
            progressiveOffspringSelector.Successor = subScopesCounter2;
            calculator1.Successor                  = conditionalBranch1;
            conditionalBranch1.FalseBranch         = comparator1;
            conditionalBranch1.TrueBranch          = subScopesProcessor2;
            comparator1.Successor                  = conditionalBranch2;
            conditionalBranch2.FalseBranch         = leftReducer2;
            conditionalBranch2.TrueBranch          = subScopesProcessor2;
            leftReducer2.Successor                 = selector;
            subScopesProcessor2.Operators.Add(bestSelector);
            subScopesProcessor2.Operators.Add(scopeCleaner);
            subScopesProcessor2.Successor        = mergingReducer;
            bestSelector.Successor               = rightReducer2;
            rightReducer2.Successor              = reevaluateElitesBranch;
            reevaluateElitesBranch.TrueBranch    = uniformSubScopesProcessor2;
            uniformSubScopesProcessor2.Operator  = evaluator2;
            uniformSubScopesProcessor2.Successor = subScopesCounter4;
            evaluator2.Successor               = null;
            subScopesCounter4.Successor        = null;
            reevaluateElitesBranch.FalseBranch = null;
            reevaluateElitesBranch.Successor   = null;
            scopeCleaner.Successor             = scopeRestorer;
            mergingReducer.Successor           = intCounter3;
            intCounter3.Successor              = subScopesCounter3;
            subScopesCounter3.Successor        = calculator2;
            calculator2.Successor              = comparator2;
            comparator2.Successor              = conditionalBranch3;
            conditionalBranch3.FalseBranch     = analyzer2;
            conditionalBranch3.TrueBranch      = null;
            analyzer2.Successor            = comparator3;
            comparator3.Successor          = conditionalBranch4;
            conditionalBranch4.FalseBranch = comparator4;
            conditionalBranch4.TrueBranch  = null;
            conditionalBranch4.Successor   = null;
            comparator4.Successor          = conditionalBranch5;
            conditionalBranch5.FalseBranch = assigner3;
            conditionalBranch5.TrueBranch  = null;
            conditionalBranch5.Successor   = null;
            assigner3.Successor            = assigner4;
            assigner4.Successor            = assigner5;
            assigner5.Successor            = selector;

            #endregion
        }
        private void Initialize()
        {
            #region Create parameters
            Parameters.Add(new ValueLookupParameter <IRandom>("Random", "A pseudo random number generator."));
            Parameters.Add(new ValueLookupParameter <BoolValue>("Maximization", "True if the problem is a maximization problem, otherwise false."));
            Parameters.Add(new ScopeTreeLookupParameter <DoubleValue>("Quality", "The value which represents the quality of a solution."));
            Parameters.Add(new ValueLookupParameter <IOperator>("Selector", "The operator used to select solutions for reproduction."));
            Parameters.Add(new ValueLookupParameter <IOperator>("Crossover", "The operator used to cross solutions."));
            Parameters.Add(new ValueLookupParameter <PercentValue>("MutationProbability", "The probability that the mutation operator is applied on a solution."));
            Parameters.Add(new ValueLookupParameter <IOperator>("Mutator", "The operator used to mutate solutions."));
            Parameters.Add(new ValueLookupParameter <IOperator>("Evaluator", "The operator used to evaluate solutions. This operator is executed in parallel, if an engine is used which supports parallelization."));
            Parameters.Add(new LookupParameter <IntValue>("EvaluatedSolutions", "The number of evaluated solutions."));
            Parameters.Add(new ValueLookupParameter <IntValue>("Elites", "The numer of elite solutions which are kept in each generation."));
            Parameters.Add(new ValueLookupParameter <BoolValue>("ReevaluateElites", "Flag to determine if elite individuals should be reevaluated (i.e., if stochastic fitness functions are used.)"));
            Parameters.Add(new LookupParameter <DoubleValue>("ComparisonFactor", "The comparison factor is used to determine whether the offspring should be compared to the better parent, the worse parent or a quality value linearly interpolated between them. It is in the range [0;1]."));
            Parameters.Add(new LookupParameter <DoubleValue>("CurrentSuccessRatio", "The current success ratio."));
            Parameters.Add(new ValueLookupParameter <DoubleValue>("SuccessRatio", "The ratio of successful to total children that should be achieved."));
            Parameters.Add(new LookupParameter <DoubleValue>("SelectionPressure", "The actual selection pressure."));
            Parameters.Add(new ValueLookupParameter <DoubleValue>("MaximumSelectionPressure", "The maximum selection pressure that terminates the algorithm."));
            Parameters.Add(new ValueLookupParameter <BoolValue>("OffspringSelectionBeforeMutation", "True if the offspring selection step should be applied before mutation, false if it should be applied after mutation."));
            Parameters.Add(new ValueLookupParameter <BoolValue>("FillPopulationWithParents", "True if the population should be filled with parent individual or false if worse children should be used when the maximum selection pressure is exceeded."));
            #endregion

            #region Create operators
            Placeholder                      selector                   = new Placeholder();
            SubScopesProcessor               subScopesProcessor1        = new SubScopesProcessor();
            ChildrenCreator                  childrenCreator            = new ChildrenCreator();
            ConditionalBranch                osBeforeMutationBranch     = new ConditionalBranch();
            UniformSubScopesProcessor        uniformSubScopesProcessor1 = new UniformSubScopesProcessor();
            Placeholder                      crossover1                 = new Placeholder();
            UniformSubScopesProcessor        uniformSubScopesProcessor2 = new UniformSubScopesProcessor();
            Placeholder                      evaluator1                 = new Placeholder();
            SubScopesCounter                 subScopesCounter1          = new SubScopesCounter();
            WeightedParentsQualityComparator qualityComparer1           = new WeightedParentsQualityComparator();
            SubScopesRemover                 subScopesRemover1          = new SubScopesRemover();
            UniformSubScopesProcessor        uniformSubScopesProcessor3 = new UniformSubScopesProcessor();
            StochasticBranch                 mutationBranch1            = new StochasticBranch();
            Placeholder                      mutator1                   = new Placeholder();
            VariableCreator                  variableCreator1           = new VariableCreator();
            VariableCreator                  variableCreator2           = new VariableCreator();
            ConditionalSelector              conditionalSelector        = new ConditionalSelector();
            SubScopesProcessor               subScopesProcessor2        = new SubScopesProcessor();
            UniformSubScopesProcessor        uniformSubScopesProcessor4 = new UniformSubScopesProcessor();
            Placeholder                      evaluator2                 = new Placeholder();
            SubScopesCounter                 subScopesCounter2          = new SubScopesCounter();
            MergingReducer                   mergingReducer1            = new MergingReducer();
            UniformSubScopesProcessor        uniformSubScopesProcessor5 = new UniformSubScopesProcessor();
            Placeholder                      crossover2                 = new Placeholder();
            StochasticBranch                 mutationBranch2            = new StochasticBranch();
            Placeholder                      mutator2                   = new Placeholder();
            UniformSubScopesProcessor        uniformSubScopesProcessor6 = new UniformSubScopesProcessor();
            Placeholder                      evaluator3                 = new Placeholder();
            SubScopesCounter                 subScopesCounter3          = new SubScopesCounter();
            WeightedParentsQualityComparator qualityComparer2           = new WeightedParentsQualityComparator();
            SubScopesRemover                 subScopesRemover2          = new SubScopesRemover();
            OffspringSelector                offspringSelector          = new OffspringSelector();
            SubScopesProcessor               subScopesProcessor3        = new SubScopesProcessor();
            BestSelector                     bestSelector               = new BestSelector();
            WorstSelector                    worstSelector              = new WorstSelector();
            RightReducer                     rightReducer               = new RightReducer();
            LeftReducer                      leftReducer                = new LeftReducer();
            MergingReducer                   mergingReducer2            = new MergingReducer();
            ConditionalBranch                reevaluateElitesBranch     = new ConditionalBranch();
            UniformSubScopesProcessor        uniformSubScopesProcessor7 = new UniformSubScopesProcessor();
            Placeholder                      evaluator4                 = new Placeholder();
            SubScopesCounter                 subScopesCounter4          = new SubScopesCounter();

            selector.Name = "Selector (placeholder)";
            selector.OperatorParameter.ActualName = SelectorParameter.Name;

            childrenCreator.ParentsPerChild = new IntValue(2);

            osBeforeMutationBranch.Name = "Apply OS before mutation?";
            osBeforeMutationBranch.ConditionParameter.ActualName = OffspringSelectionBeforeMutationParameter.Name;

            crossover1.Name = "Crossover (placeholder)";
            crossover1.OperatorParameter.ActualName = CrossoverParameter.Name;

            uniformSubScopesProcessor2.Parallel.Value = true;

            evaluator1.Name = "Evaluator (placeholder)";
            evaluator1.OperatorParameter.ActualName = EvaluatorParameter.Name;

            subScopesCounter1.Name = "Increment EvaluatedSolutions";
            subScopesCounter1.ValueParameter.ActualName = EvaluatedSolutionsParameter.Name;

            qualityComparer1.ComparisonFactorParameter.ActualName = ComparisonFactorParameter.Name;
            qualityComparer1.LeftSideParameter.ActualName         = QualityParameter.Name;
            qualityComparer1.MaximizationParameter.ActualName     = MaximizationParameter.Name;
            qualityComparer1.RightSideParameter.ActualName        = QualityParameter.Name;
            qualityComparer1.ResultParameter.ActualName           = "SuccessfulOffspring";

            subScopesRemover1.RemoveAllSubScopes = true;

            mutationBranch1.ProbabilityParameter.ActualName = MutationProbabilityParameter.Name;
            mutationBranch1.RandomParameter.ActualName      = RandomParameter.Name;

            mutator1.Name = "Mutator (placeholder)";
            mutator1.OperatorParameter.ActualName = MutatorParameter.Name;

            variableCreator1.Name = "MutatedOffspring = true";
            variableCreator1.CollectedValues.Add(new ValueParameter <BoolValue>("MutatedOffspring", null, new BoolValue(true), false));

            variableCreator2.Name = "MutatedOffspring = false";
            variableCreator2.CollectedValues.Add(new ValueParameter <BoolValue>("MutatedOffspring", null, new BoolValue(false), false));

            conditionalSelector.ConditionParameter.ActualName = "MutatedOffspring";
            conditionalSelector.ConditionParameter.Depth      = 1;
            conditionalSelector.CopySelected.Value            = false;

            uniformSubScopesProcessor4.Parallel.Value = true;

            evaluator2.Name = "Evaluator (placeholder)";
            evaluator2.OperatorParameter.ActualName = EvaluatorParameter.Name;

            subScopesCounter2.Name = "Increment EvaluatedSolutions";
            subScopesCounter2.ValueParameter.ActualName = EvaluatedSolutionsParameter.Name;

            crossover2.Name = "Crossover (placeholder)";
            crossover2.OperatorParameter.ActualName = CrossoverParameter.Name;

            mutationBranch2.ProbabilityParameter.ActualName = MutationProbabilityParameter.Name;
            mutationBranch2.RandomParameter.ActualName      = RandomParameter.Name;

            mutator2.Name = "Mutator (placeholder)";
            mutator2.OperatorParameter.ActualName = MutatorParameter.Name;

            uniformSubScopesProcessor6.Parallel.Value = true;

            evaluator3.Name = "Evaluator (placeholder)";
            evaluator3.OperatorParameter.ActualName = EvaluatorParameter.Name;

            subScopesCounter3.Name = "Increment EvaluatedSolutions";
            subScopesCounter3.ValueParameter.ActualName = EvaluatedSolutionsParameter.Name;

            qualityComparer2.ComparisonFactorParameter.ActualName = ComparisonFactorParameter.Name;
            qualityComparer2.LeftSideParameter.ActualName         = QualityParameter.Name;
            qualityComparer2.MaximizationParameter.ActualName     = MaximizationParameter.Name;
            qualityComparer2.RightSideParameter.ActualName        = QualityParameter.Name;
            qualityComparer2.ResultParameter.ActualName           = "SuccessfulOffspring";

            subScopesRemover2.RemoveAllSubScopes = true;

            offspringSelector.CurrentSuccessRatioParameter.ActualName        = CurrentSuccessRatioParameter.Name;
            offspringSelector.MaximumSelectionPressureParameter.ActualName   = MaximumSelectionPressureParameter.Name;
            offspringSelector.SelectionPressureParameter.ActualName          = SelectionPressureParameter.Name;
            offspringSelector.SuccessRatioParameter.ActualName               = SuccessRatioParameter.Name;
            offspringSelector.OffspringPopulationParameter.ActualName        = "OffspringPopulation";
            offspringSelector.OffspringPopulationWinnersParameter.ActualName = "OffspringPopulationWinners";
            offspringSelector.SuccessfulOffspringParameter.ActualName        = "SuccessfulOffspring";
            offspringSelector.FillPopulationWithParentsParameter.ActualName  = FillPopulationWithParentsParameter.Name;

            bestSelector.CopySelected = new BoolValue(false);
            bestSelector.MaximizationParameter.ActualName = MaximizationParameter.Name;
            bestSelector.NumberOfSelectedSubScopesParameter.ActualName = ElitesParameter.Name;
            bestSelector.QualityParameter.ActualName = QualityParameter.Name;

            worstSelector.CopySelected = new BoolValue(false);
            worstSelector.MaximizationParameter.ActualName = MaximizationParameter.Name;
            worstSelector.NumberOfSelectedSubScopesParameter.ActualName = ElitesParameter.Name;
            worstSelector.QualityParameter.ActualName = QualityParameter.Name;

            reevaluateElitesBranch.ConditionParameter.ActualName = "ReevaluateElites";
            reevaluateElitesBranch.Name = "Reevaluate elites ?";

            uniformSubScopesProcessor7.Parallel.Value = true;

            evaluator4.Name = "Evaluator (placeholder)";
            evaluator4.OperatorParameter.ActualName = EvaluatorParameter.Name;

            subScopesCounter4.Name = "Increment EvaluatedSolutions";
            subScopesCounter4.ValueParameter.ActualName = EvaluatedSolutionsParameter.Name;
            #endregion

            #region Create operator graph
            OperatorGraph.InitialOperator = selector;
            selector.Successor            = subScopesProcessor1;
            subScopesProcessor1.Operators.Add(new EmptyOperator());
            subScopesProcessor1.Operators.Add(childrenCreator);
            subScopesProcessor1.Successor        = offspringSelector;
            childrenCreator.Successor            = osBeforeMutationBranch;
            osBeforeMutationBranch.TrueBranch    = uniformSubScopesProcessor1;
            osBeforeMutationBranch.FalseBranch   = uniformSubScopesProcessor5;
            osBeforeMutationBranch.Successor     = null;
            uniformSubScopesProcessor1.Operator  = crossover1;
            uniformSubScopesProcessor1.Successor = uniformSubScopesProcessor2;
            crossover1.Successor = null;
            uniformSubScopesProcessor2.Operator  = evaluator1;
            uniformSubScopesProcessor2.Successor = subScopesCounter1;
            evaluator1.Successor                 = qualityComparer1;
            qualityComparer1.Successor           = subScopesRemover1;
            subScopesRemover1.Successor          = null;
            subScopesCounter1.Successor          = uniformSubScopesProcessor3;
            uniformSubScopesProcessor3.Operator  = mutationBranch1;
            uniformSubScopesProcessor3.Successor = conditionalSelector;
            mutationBranch1.FirstBranch          = mutator1;
            mutationBranch1.SecondBranch         = variableCreator2;
            mutationBranch1.Successor            = null;
            mutator1.Successor            = variableCreator1;
            variableCreator1.Successor    = null;
            variableCreator2.Successor    = null;
            conditionalSelector.Successor = subScopesProcessor2;
            subScopesProcessor2.Operators.Add(new EmptyOperator());
            subScopesProcessor2.Operators.Add(uniformSubScopesProcessor4);
            subScopesProcessor2.Successor        = mergingReducer1;
            uniformSubScopesProcessor4.Operator  = evaluator2;
            uniformSubScopesProcessor4.Successor = subScopesCounter2;
            evaluator2.Successor                 = null;
            subScopesCounter2.Successor          = null;
            mergingReducer1.Successor            = null;
            uniformSubScopesProcessor5.Operator  = crossover2;
            uniformSubScopesProcessor5.Successor = uniformSubScopesProcessor6;
            crossover2.Successor                 = mutationBranch2;
            mutationBranch2.FirstBranch          = mutator2;
            mutationBranch2.SecondBranch         = null;
            mutationBranch2.Successor            = null;
            mutator2.Successor = null;
            uniformSubScopesProcessor6.Operator  = evaluator3;
            uniformSubScopesProcessor6.Successor = subScopesCounter3;
            evaluator3.Successor               = qualityComparer2;
            qualityComparer2.Successor         = subScopesRemover2;
            subScopesRemover2.Successor        = null;
            subScopesCounter3.Successor        = null;
            offspringSelector.OffspringCreator = selector;
            offspringSelector.Successor        = subScopesProcessor3;
            subScopesProcessor3.Operators.Add(bestSelector);
            subScopesProcessor3.Operators.Add(worstSelector);
            subScopesProcessor3.Successor        = mergingReducer2;
            bestSelector.Successor               = rightReducer;
            rightReducer.Successor               = reevaluateElitesBranch;
            reevaluateElitesBranch.TrueBranch    = uniformSubScopesProcessor7;
            uniformSubScopesProcessor7.Operator  = evaluator4;
            uniformSubScopesProcessor7.Successor = subScopesCounter4;
            subScopesCounter4.Successor          = null;
            reevaluateElitesBranch.FalseBranch   = null;
            reevaluateElitesBranch.Successor     = null;
            worstSelector.Successor              = leftReducer;
            leftReducer.Successor     = null;
            mergingReducer2.Successor = null;
            #endregion
        }