Changeset 12403

Timestamp:

05/27/15 10:54:06 (9 years ago)

Author:

pfleck

Message:

#2027 Wired Maximization-Parameter for the Quality Terminator.

File:

• branches/TerminationCriteria/HeuristicLab.Algorithms.OffspringSelectionGeneticAlgorithm/3.3/OffspringSelectionGeneticAlgorithm.cs (modified) (4 diffs)

branches/TerminationCriteria/HeuristicLab.Algorithms.OffspringSelectionGeneticAlgorithm/3.3/OffspringSelectionGeneticAlgorithm.cs

@@ -387 +387 @@
     }
 
+    protected override void RegisterProblemEvents() {
+      base.RegisterProblemEvents();
+      var maximizationParameter = (IValueParameter<BoolValue>)Problem.MaximizationParameter;
+      if (maximizationParameter != null) maximizationParameter.ValueChanged += new EventHandler(MaximizationParameter_ValueChanged);
+    }
+    protected override void DeregisterProblemEvents() {
+      var maximizationParameter = (IValueParameter<BoolValue>)Problem.MaximizationParameter;
+      if (maximizationParameter != null) maximizationParameter.ValueChanged -= new EventHandler(MaximizationParameter_ValueChanged);
+      base.DeregisterProblemEvents();
+    }
+
     protected override void Problem_SolutionCreatorChanged(object sender, EventArgs e) {
       ParameterizeStochasticOperator(Problem.SolutionCreator);
@@ -429 +440 @@
       ParameterizeAnalyzers();
     }
+    private void MaximizationParameter_ValueChanged(object sender, EventArgs e) {
+      ParameterizeTerminators();
+    }
+    private void QualityAnalyzer_CurrentBestQualityParameter_NameChanged(object sender, EventArgs e) {
+      ParameterizeTerminators();
+    }
     #endregion
 
@@ -437 +454 @@
       ElitesParameter.ValueChanged += new EventHandler(ElitesParameter_ValueChanged);
       Elites.ValueChanged += new EventHandler(Elites_ValueChanged);
+      qualityAnalyzer.CurrentBestQualityParameter.NameChanged += new EventHandler(QualityAnalyzer_CurrentBestQualityParameter_NameChanged);
       if (Problem != null) {
         Problem.Evaluator.QualityParameter.ActualNameChanged += new EventHandler(Evaluator_QualityParameter_ActualNameChanged);
@@ -487 +505 @@
     private void ParameterizeTerminators() {
       if (Problem != null) {
-        bool maximization = ((BoolValue)Problem.MaximizationParameter.ActualValue).Value;
-        qualityTerminator.Comparison = new Comparison(maximization ? ComparisonType.GreaterOrEqual : ComparisonType.LessOrEqual);
-        qualityTerminator.ValueParameter.ActualName = qualityAnalyzer.CurrentBestQualityParameter.Name;
-        qualityTerminator.ThresholdParameter.Value = new DoubleValue(maximization ? double.MaxValue : double.MinValue);
-      }
+        var maximizationParameter = (IValueParameter<BoolValue>)Problem.MaximizationParameter;
+        if (maximizationParameter != null) {
+          bool maximization = maximizationParameter.Value.Value;
+          qualityTerminator.Comparison = new Comparison(maximization ? ComparisonType.GreaterOrEqual : ComparisonType.LessOrEqual);
+          qualityTerminator.ThresholdParameter.Value = new DoubleValue(maximization ? double.MaxValue : double.MinValue);
+        }
+      }
+      qualityTerminator.ValueParameter.ActualName = qualityAnalyzer.CurrentBestQualityParameter.Name;
     }
     private void ParameterizeComparisonFactorModifiers() {