private CombinedOperator CreateEldersEmigrator()
{
var eldersEmigrator = new CombinedOperator()
{
Name = "Emigrate Elders"
};
var selectorProsessor = new UniformSubScopesProcessor();
var eldersSelector = new EldersSelector();
var shiftToRightMigrator = new UnidirectionalRingMigrator()
{
Name = "Shift elders to next layer"
};
var mergingProsessor = new UniformSubScopesProcessor();
var mergingReducer = new MergingReducer();
var subScopesCounter = new SubScopesCounter();
var reduceToPopulationSizeBranch = new ConditionalBranch()
{
Name = "ReduceToPopulationSize?"
};
var countCalculator = new ExpressionCalculator()
{
Name = "CurrentPopulationSize = Min(CurrentPopulationSize, PopulationSize)"
};
var bestSelector = new BestSelector();
var rightReducer = new RightReducer();
eldersEmigrator.OperatorGraph.InitialOperator = selectorProsessor;
selectorProsessor.Operator = eldersSelector;
selectorProsessor.Successor = shiftToRightMigrator;
eldersSelector.AgeParameter.ActualName = AgeParameter.Name;
eldersSelector.AgeLimitsParameter.ActualName = AgeLimitsParameter.Name;
eldersSelector.NumberOfLayersParameter.ActualName = NumberOfLayersParameter.Name;
eldersSelector.LayerParameter.ActualName = "Layer";
eldersSelector.Successor = null;
shiftToRightMigrator.ClockwiseMigrationParameter.Value = new BoolValue(true);
shiftToRightMigrator.Successor = mergingProsessor;
mergingProsessor.Operator = mergingReducer;
mergingReducer.Successor = subScopesCounter;
subScopesCounter.ValueParameter.ActualName = CurrentPopulationSizeParameter.Name;
subScopesCounter.AccumulateParameter.Value = new BoolValue(false);
subScopesCounter.Successor = reduceToPopulationSizeBranch;
reduceToPopulationSizeBranch.ConditionParameter.ActualName = ReduceToPopulationSizeParameter.Name;
reduceToPopulationSizeBranch.TrueBranch = countCalculator;
countCalculator.CollectedValues.Add(new LookupParameter <IntValue>(PopulationSizeParameter.Name));
countCalculator.CollectedValues.Add(new LookupParameter <IntValue>(CurrentPopulationSizeParameter.Name));
countCalculator.ExpressionParameter.Value = new StringValue("CurrentPopulationSize PopulationSize CurrentPopulationSize PopulationSize < if toint");
countCalculator.ExpressionResultParameter.ActualName = CurrentPopulationSizeParameter.Name;
countCalculator.Successor = bestSelector;
bestSelector.NumberOfSelectedSubScopesParameter.ActualName = CurrentPopulationSizeParameter.Name;
bestSelector.CopySelected = new BoolValue(false);
bestSelector.Successor = rightReducer;
return(eldersEmigrator);
}
private CombinedOperator CreateEldersEmigrator()
{
var eldersEmigrator = new CombinedOperator {
Name = "Emigrate Elders"
};
var selectorProcessor = new UniformSubScopesProcessor();
var eldersSelector = new EldersSelector();
var shiftToRightMigrator = new UnidirectionalRingMigrator {
Name = "Shift elders to next layer"
};
var mergingProcessor = new UniformSubScopesProcessor();
var mergingReducer = new MergingReducer();
var subScopesCounter1 = new SubScopesCounter();
var currentPopulationSizeComparator = new Comparator {
Name = "Is CurrentPopulationSize greater than 1?"
};
var currentPopulationSizeIsGreaterThanOne = new ConditionalBranch {
Name = "CurrentPopulationSize > 1"
};
var reduceToPopulationSizeBranch = new ConditionalBranch {
Name = "ReduceToPopulationSize?"
};
var countCalculator = new ExpressionCalculator {
Name = "CurrentPopulationSize = Min(CurrentPopulationSize, PopulationSize)"
};
var leftSelector = new LeftSelector();
var rankAndCrowdingSorter = new RankAndCrowdingSorter();
var subScopesCounter2 = new SubScopesCounter();
var rightReducer = new RightReducer();
eldersEmigrator.OperatorGraph.InitialOperator = selectorProcessor;
selectorProcessor.Operator = eldersSelector;
selectorProcessor.Successor = shiftToRightMigrator;
eldersSelector.AgeParameter.ActualName = AgeParameter.Name;
eldersSelector.AgeLimitsParameter.ActualName = AgeLimitsParameter.Name;
eldersSelector.NumberOfLayersParameter.ActualName = NumberOfLayersParameter.Name;
eldersSelector.LayerParameter.ActualName = "Layer";
eldersSelector.Successor = null;
shiftToRightMigrator.ClockwiseMigrationParameter.Value = new BoolValue(true);
shiftToRightMigrator.Successor = mergingProcessor;
mergingProcessor.Operator = mergingReducer;
mergingReducer.Successor = subScopesCounter1;
subScopesCounter1.ValueParameter.ActualName = CurrentPopulationSizeParameter.Name;
subScopesCounter1.AccumulateParameter.Value = new BoolValue(false);
subScopesCounter1.Successor = currentPopulationSizeComparator;
currentPopulationSizeComparator.LeftSideParameter.ActualName = CurrentPopulationSizeParameter.Name;
currentPopulationSizeComparator.RightSideParameter.ActualName = OneParameter.Name;
currentPopulationSizeComparator.ResultParameter.ActualName = "CurrentPopulationSizeIsGreaterThanOne";
currentPopulationSizeComparator.Comparison = new Comparison(ComparisonType.Greater);
currentPopulationSizeComparator.Successor = currentPopulationSizeIsGreaterThanOne;
currentPopulationSizeIsGreaterThanOne.ConditionParameter.ActualName = "CurrentPopulationSizeIsGreaterThanOne";
currentPopulationSizeIsGreaterThanOne.TrueBranch = rankAndCrowdingSorter;
// We have to sort individuals before reducing, because if we shifted some of them to another layer, it can happen that they are not correctly sorted
rankAndCrowdingSorter.DominateOnEqualQualitiesParameter.ActualName = DominateOnEqualQualitiesParameter.Name;
rankAndCrowdingSorter.CrowdingDistanceParameter.ActualName = "CrowdingDistance";
rankAndCrowdingSorter.RankParameter.ActualName = "Rank";
rankAndCrowdingSorter.Successor = reduceToPopulationSizeBranch;
reduceToPopulationSizeBranch.ConditionParameter.ActualName = ReduceToPopulationSizeParameter.Name;
reduceToPopulationSizeBranch.TrueBranch = countCalculator;
countCalculator.CollectedValues.Add(new LookupParameter <IntValue>(PopulationSizeParameter.Name));
countCalculator.CollectedValues.Add(new LookupParameter <IntValue>(CurrentPopulationSizeParameter.Name));
countCalculator.ExpressionParameter.Value = new StringValue("CurrentPopulationSize PopulationSize CurrentPopulationSize PopulationSize < if toint");
countCalculator.ExpressionResultParameter.ActualName = CurrentPopulationSizeParameter.Name;
countCalculator.Successor = leftSelector;
leftSelector.CopySelected = new BoolValue(false);
leftSelector.NumberOfSelectedSubScopesParameter.ActualName = CurrentPopulationSizeParameter.Name;
leftSelector.Successor = rightReducer;
rightReducer.Successor = subScopesCounter2;
subScopesCounter2.ValueParameter.ActualName = CurrentPopulationSizeParameter.Name;
subScopesCounter2.AccumulateParameter.Value = new BoolValue(false);
return(eldersEmigrator);
}