public override IOperation Apply()
{
if (SimilarityParameter.ActualValue == null || SimilarityParameter.ActualValue.Value.IsAlmost(-1.0))
{
UpdateCounter.Value++;
if (UpdateCounter.Value != UpdateInterval.Value)
{
return(base.Apply());
}
UpdateCounter.Value = 0;
var trees = SymbolicExpressionTreeParameter.ActualValue.ToList();
SimilarityParameter.ActualValue = new DoubleValue();
var operations = new OperationCollection {
Parallel = true
};
foreach (var tree in trees)
{
var op = new SymbolicDataAnalysisExpressionTreeSimilarityCalculator(DistanceCalculatorParameter.Value)
{
CurrentSymbolicExpressionTree = tree,
MaximumTreeDepth = MaximumSymbolicExpressionTreeDepth.Value
};
var operation = ExecutionContext.CreateChildOperation(op, ExecutionContext.Scope);
operations.Add(operation);
}
return(new OperationCollection {
operations, ExecutionContext.CreateOperation(this)
});
}
var results = ResultsParameter.ActualValue;
// population diversity
DataTable populationDiversityTable;
if (!results.ContainsKey("PopulationDiversity"))
{
populationDiversityTable = new DataTable("PopulationDiversity")
{
VisualProperties = { YAxisTitle = "Diversity" }
};
results.Add(new Result("PopulationDiversity", populationDiversityTable));
}
populationDiversityTable = (DataTable)results["PopulationDiversity"].Value;
if (!populationDiversityTable.Rows.ContainsKey("Diversity"))
{
populationDiversityTable.Rows.Add(new DataRow("Diversity")
{
VisualProperties = { StartIndexZero = true }
});
}
int length = SymbolicExpressionTreeParameter.ActualValue.Length;
var similarity = SimilarityParameter.ActualValue.Value / (length * (length - 1) / 2.0);
var diversity = 1 - similarity;
SimilarityParameter.ActualValue.Value = -1.0;
populationDiversityTable.Rows["Diversity"].Values.Add(diversity);
return(base.Apply());
}
public override IOperation Apply() {
if (SimilarityParameter.ActualValue == null || SimilarityParameter.ActualValue.Value.IsAlmost(-1.0)) {
UpdateCounter.Value++;
if (UpdateCounter.Value != UpdateInterval.Value) return base.Apply();
UpdateCounter.Value = 0;
var trees = SymbolicExpressionTreeParameter.ActualValue.ToList();
SimilarityParameter.ActualValue = new DoubleValue();
var operations = new OperationCollection { Parallel = true };
foreach (var tree in trees) {
var op = new SymbolicDataAnalysisExpressionTreeSimilarityCalculator(DistanceCalculatorParameter.Value) {
CurrentSymbolicExpressionTree = tree,
MaximumTreeDepth = MaximumSymbolicExpressionTreeDepth.Value
};
var operation = ExecutionContext.CreateChildOperation(op, ExecutionContext.Scope);
operations.Add(operation);
}
return new OperationCollection { operations, ExecutionContext.CreateOperation(this) };
}
var results = ResultsParameter.ActualValue;
// population diversity
DataTable populationDiversityTable;
if (!results.ContainsKey("PopulationDiversity")) {
populationDiversityTable = new DataTable("PopulationDiversity") { VisualProperties = { YAxisTitle = "Diversity" } };
results.Add(new Result("PopulationDiversity", populationDiversityTable));
}
populationDiversityTable = (DataTable)results["PopulationDiversity"].Value;
if (!populationDiversityTable.Rows.ContainsKey("Diversity"))
populationDiversityTable.Rows.Add(new DataRow("Diversity") { VisualProperties = { StartIndexZero = true } });
int length = SymbolicExpressionTreeParameter.ActualValue.Length;
var similarity = SimilarityParameter.ActualValue.Value / (length * (length - 1) / 2.0);
var diversity = 1 - similarity;
SimilarityParameter.ActualValue.Value = -1.0;
populationDiversityTable.Rows["Diversity"].Values.Add(diversity);
return base.Apply();
}
protected SymbolicDataAnalysisExpressionTreeSimilarityCalculator(
SymbolicDataAnalysisExpressionTreeSimilarityCalculator original, Cloner cloner)
: base(original, cloner) {
}
protected SymbolicDataAnalysisExpressionTreeSimilarityCalculator(
SymbolicDataAnalysisExpressionTreeSimilarityCalculator original, Cloner cloner)
: base(original, cloner)
{
}