Changeset 2852 for trunk/sources/HeuristicLab.Optimization/3.3/Algorithm.cs

Timestamp:

02/23/10 06:50:50 (14 years ago)

Author:

swagner

Message:

Operator architecture refactoring (#95)

• worked on algorithms

File:

• trunk/sources/HeuristicLab.Optimization/3.3/Algorithm.cs (modified) (3 diffs)

trunk/sources/HeuristicLab.Optimization/3.3/Algorithm.cs

@@ -36 +36 @@
     }
 
+    public virtual Type ProblemType {
+      get { return typeof(IProblem); }
+    }
+
     private IProblem problem;
     [Storable]
@@ -42 +46 @@
       set {
         if (problem != value) {
-          if (problem != null) problem.Changed -= new ChangedEventHandler(Problem_Changed);
+          if ((value != null) && !ProblemType.IsInstanceOfType(value)) throw new ArgumentException("Invalid problem type.");
+          if (problem != null) DeregisterProblemEvents();
           problem = value;
-          if (problem != null) problem.Changed += new ChangedEventHandler(Problem_Changed);
+          if (problem != null) RegisterProblemEvents();
           OnProblemChanged();
         }
@@ -135 +140 @@
         ExceptionOccurred(this, new EventArgs<Exception>(exception));
     }
+    protected virtual void DeregisterProblemEvents() {
+      problem.SolutionCreatorChanged -= new EventHandler(Problem_SolutionCreatorChanged);
+      problem.EvaluatorChanged -= new EventHandler(Problem_EvaluatorChanged);
+      problem.Changed -= new ChangedEventHandler(Problem_Changed);
+    }
+    protected virtual void RegisterProblemEvents() {
+      problem.SolutionCreatorChanged += new EventHandler(Problem_SolutionCreatorChanged);
+      problem.EvaluatorChanged += new EventHandler(Problem_EvaluatorChanged);
+      problem.Changed += new ChangedEventHandler(Problem_Changed);
+    }
+
+    protected virtual void Problem_SolutionCreatorChanged(object sender, EventArgs e) { }
+    protected virtual void Problem_EvaluatorChanged(object sender, EventArgs e) { }
     private void Problem_Changed(object sender, ChangedEventArgs e) {
       OnChanged(e);