Changeset 4860 for branches/VRP/HeuristicLab.Problems.VehicleRouting/3.4/ProblemInstances/VRPProblemInstance.cs

Timestamp:

11/19/10 15:43:21 (14 years ago)

Author:

svonolfe

Message:

Merged changes from trunk into branch (#1177)

File:

• branches/VRP/HeuristicLab.Problems.VehicleRouting/3.4/ProblemInstances/VRPProblemInstance.cs (modified) (4 diffs)

branches/VRP/HeuristicLab.Problems.VehicleRouting/3.4/ProblemInstances/VRPProblemInstance.cs

@@ -77 +77 @@
     }
 
+    protected OptionalValueParameter<DoubleValue> BestKnownQualityParameter {
+      get { return (OptionalValueParameter<DoubleValue>)Parameters["BestKnownQuality"]; }
+    }
+    protected OptionalValueParameter<VRPSolution> BestKnownSolutionParameter {
+      get { return (OptionalValueParameter<VRPSolution>)Parameters["BestKnownSolution"]; }
+    }
+
+    IValueParameter<DoubleValue> IVRPProblemInstance.BestKnownQualityParameter {
+      get { return BestKnownQualityParameter; }
+    }
+
+    IValueParameter<VRPSolution> IVRPProblemInstance.BestKnownSolutionParameter {
+      get { return BestKnownSolutionParameter; }
+    }
+
     public DoubleMatrix Coordinates {
       get { return CoordinatesParameter.Value; }
@@ -109 +124 @@
       get { return DistanceFactorParameter.Value; }
       set { DistanceFactorParameter.Value = value; }
+    }
+
+    public DoubleValue BestKnownQuality {
+      get { return BestKnownQualityParameter.Value; }
+      set { BestKnownQualityParameter.Value = value; }
+    }
+    public VRPSolution BestKnownSolution {
+      get { return BestKnownSolutionParameter.Value; }
+      set { BestKnownSolutionParameter.Value = value; }
     }
 
@@ -171 +195 @@
     public double Evaluate(Tour tour) {
       return EvaluatorParameter.Value.Evaluate(this, tour).Quality;
+    }
+
+    protected void EvalBestKnownSolution() {
+      if (BestKnownSolution != null) {
+        //call evaluator
+        BestKnownQuality = new DoubleValue(Evaluate(BestKnownSolution.Solution));
+        BestKnownSolution.Quality = BestKnownQuality;
+      } else {
+        BestKnownQuality = null;
+      }
     }
 
@@ -192 +226 @@
       Parameters.Add(new ValueParameter<IVRPCreator>("SolutionCreator", "The operator which should be used to create new VRP solutions.", Creator));
       Parameters.Add(new ValueParameter<IVRPEvaluator>("Evaluator", "The operator which should be used to evaluate VRP solutions.", Evaluator));
+
+      Parameters.Add(new OptionalValueParameter<DoubleValue>("BestKnownQuality", "The quality of the best known solution of this VRP instance."));
+      Parameters.Add(new OptionalValueParameter<VRPSolution>("BestKnownSolution", "The best known solution of this VRP instance."));
+
+      AttachEventHandlers();
     }
 
     protected VRPProblemInstance(VRPProblemInstance original, Cloner cloner)
       : base(original, cloner) {
-    }
+        AttachEventHandlers();
+    }
+
+    [StorableHook(HookType.AfterDeserialization)]
+    private void AfterDeserializationHook() {
+      #region Backwards Compatibility
+      if (!Parameters.ContainsKey("BestKnownSolution")) {
+        Parameters.Add(new OptionalValueParameter<VRPSolution>("BestKnownSolution", "The best known solution of this TSP instance."));
+      }
+      #endregion
+      
+      AttachEventHandlers();
+    }
+
+    private void AttachEventHandlers() {
+      BestKnownSolutionParameter.ValueChanged += new EventHandler(BestKnownSolutionParameter_ValueChanged);
+      DistanceFactorParameter.ValueChanged += new EventHandler(DistanceFactorParameter_ValueChanged);
+      DistanceFactorParameter.Value.ValueChanged += new EventHandler(DistanceFactor_ValueChanged);
+      FleetUsageFactorParameter.ValueChanged += new EventHandler(FleetUsageFactorParameter_ValueChanged);
+      FleetUsageFactorParameter.Value.ValueChanged += new EventHandler(FleetUsageFactor_ValueChanged);
+      DistanceMatrixParameter.ValueChanged += new EventHandler(DistanceMatrixParameter_ValueChanged);
+      if (DistanceMatrix != null) {
+        DistanceMatrix.ItemChanged += new EventHandler<EventArgs<int, int>>(DistanceMatrix_ItemChanged);
+        DistanceMatrix.Reset += new EventHandler(DistanceMatrix_Reset);
+      }
+      UseDistanceMatrixParameter.ValueChanged += new EventHandler(UseDistanceMatrixParameter_ValueChanged);
+      UseDistanceMatrix.ValueChanged += new EventHandler(UseDistanceMatrix_ValueChanged);
+    }
+
+    #region Event handlers
+    void BestKnownSolutionParameter_ValueChanged(object sender, EventArgs e) {
+      EvalBestKnownSolution();
+    }
+    void DistanceFactorParameter_ValueChanged(object sender, EventArgs e) {
+      DistanceFactorParameter.Value.ValueChanged += new EventHandler(DistanceFactor_ValueChanged);
+      EvalBestKnownSolution();
+    }
+    void DistanceFactor_ValueChanged(object sender, EventArgs e) {
+      EvalBestKnownSolution();
+    }
+    void FleetUsageFactorParameter_ValueChanged(object sender, EventArgs e) {
+      FleetUsageFactorParameter.Value.ValueChanged += new EventHandler(FleetUsageFactor_ValueChanged);
+      EvalBestKnownSolution();
+    }
+    void FleetUsageFactor_ValueChanged(object sender, EventArgs e) {
+      EvalBestKnownSolution();
+    }
+    void DistanceMatrixParameter_ValueChanged(object sender, EventArgs e) {
+      if (DistanceMatrix != null) {
+        DistanceMatrix.ItemChanged += new EventHandler<EventArgs<int, int>>(DistanceMatrix_ItemChanged);
+        DistanceMatrix.Reset += new EventHandler(DistanceMatrix_Reset);
+      }
+      EvalBestKnownSolution();
+    }
+    void DistanceMatrix_Reset(object sender, EventArgs e) {
+      EvalBestKnownSolution();
+    }
+    void DistanceMatrix_ItemChanged(object sender, EventArgs<int, int> e) {
+      EvalBestKnownSolution();
+    }
+    void UseDistanceMatrixParameter_ValueChanged(object sender, EventArgs e) {
+      UseDistanceMatrix.ValueChanged += new EventHandler(UseDistanceMatrix_ValueChanged);
+      EvalBestKnownSolution();
+    }
+    void UseDistanceMatrix_ValueChanged(object sender, EventArgs e) {
+      EvalBestKnownSolution();
+    }
+    #endregion
   }
 }