Changeset 12005 for stable/HeuristicLab.Problems.Binary/3.3/BinaryProblem.cs

Timestamp:

02/13/15 15:00:15 (9 years ago)

Author:

abeham

Message:

#2174, #2282: merged revisions r11961,r11963,r11967,r11970,r11971,r11982,r11984,r11998,r12001,r12002,r12003,r12004,r11939,r11945,r11956,r11958,r11959,r11960,r11983,r11987,r11988,r11990,r11993,r11994,r11996,r11999,r12000 to stable

Location:

stable

Files:

• . (modified) (1 prop)
• HeuristicLab.Problems.Binary (copied) (copied from trunk/sources/HeuristicLab.Problems.Binary)
• HeuristicLab.Problems.Binary/3.3/BinaryProblem.cs (modified) (4 diffs)

stable/HeuristicLab.Problems.Binary/3.3/BinaryProblem.cs

@@ -22 +22 @@
 #endregion
 
+using System;
+using System.Linq;
 using HeuristicLab.Common;
 using HeuristicLab.Core;
@@ -33 +35 @@
   [StorableClass]
   public abstract class BinaryProblem : SingleObjectiveBasicProblem<BinaryVectorEncoding> {
-
     public virtual int Length {
       get { return Encoding.Length; }
@@ -39 +40 @@
     }
 
+    private IFixedValueParameter<IntValue> LengthParameter {
+      get { return (IFixedValueParameter<IntValue>)Parameters["Length"]; }
+    }
+
     [StorableConstructor]
     protected BinaryProblem(bool deserializing) : base(deserializing) { }
-    protected BinaryProblem(BinaryProblem original, Cloner cloner) : base(original, cloner) { }
-    protected BinaryProblem() : base() { }
+    [StorableHook(HookType.AfterDeserialization)]
+    private void AfterDeserialization() {
+      RegisterEventHandlers();
+    }
+
+    protected BinaryProblem(BinaryProblem original, Cloner cloner)
+      : base(original, cloner) {
+      RegisterEventHandlers();
+    }
+
+    protected BinaryProblem()
+      : base() {
+      var lengthParameter = new FixedValueParameter<IntValue>("Length", "The length of the BinaryVector.", new IntValue(10));
+      Parameters.Add(lengthParameter);
+      Encoding.LengthParameter = lengthParameter;
+      RegisterEventHandlers();
+    }
 
     public virtual bool IsBetter(double quality, double bestQuality) {
@@ -48 +68 @@
     }
 
+    public abstract double Evaluate(BinaryVector vector, IRandom random);
     public sealed override double Evaluate(Individual individual, IRandom random) {
       return Evaluate(individual.BinaryVector(), random);
     }
 
-    public abstract double Evaluate(BinaryVector vector, IRandom random);
+    public override void Analyze(Individual[] individuals, double[] qualities, ResultCollection results, IRandom random) {
+      base.Analyze(individuals, qualities, results, random);
+      var orderedIndividuals = individuals.Zip(qualities, (i, q) => new { Individual = i, Quality = q }).OrderBy(z => z.Quality);
+      var best = Maximization ? orderedIndividuals.Last().Individual : orderedIndividuals.First().Individual;
+
+      if (!results.ContainsKey("Best Solution")) {
+        results.Add(new Result("Best Solution", typeof(BinaryVector)));
+      }
+      results["Best Solution"].Value = (IItem)best.BinaryVector().Clone();
+    }
+
+    protected override void OnEncodingChanged() {
+      base.OnEncodingChanged();
+      Encoding.LengthParameter = LengthParameter;
+    }
+
+
+    private void RegisterEventHandlers() {
+      LengthParameter.Value.ValueChanged += LengthParameter_ValueChanged;
+    }
+
+    protected virtual void LengthParameter_ValueChanged(object sender, EventArgs e) { }
   }
 }