Changeset 14777 for branches/PushGP/HeuristicLab.PushGP/HeuristicLab.Problems.ProgramSynthesis/Push/Expressions/StatefulExpression.cs

Timestamp:

03/23/17 01:11:18 (8 years ago)

Author:

pkimmesw

Message:

#2665 simplifier, push solution results view, performance improvements, small bug fixes, ui fixes

File:

• branches/PushGP/HeuristicLab.PushGP/HeuristicLab.Problems.ProgramSynthesis/Push/Expressions/StatefulExpression.cs (modified) (3 diffs)

branches/PushGP/HeuristicLab.PushGP/HeuristicLab.Problems.ProgramSynthesis/Push/Expressions/StatefulExpression.cs

@@ -1 +1 @@
 namespace HeuristicLab.Problems.ProgramSynthesis.Push.Expressions {
-  public abstract class StatefulExpression<T> : Expression {
-    public readonly T State;
+  using System;
+
+  using HeuristicLab.Problems.ProgramSynthesis.Push.Data.Pool;
+
+  [Serializable]
+  public abstract class StatefulExpression<T> : Expression, IPooledObject {
+    public T State { get; protected set; }
     private int? hashCode;
+    private string stringRepresentation;
 
     protected StatefulExpression(T state) {
@@ -10 +16 @@
     protected virtual int CalcHashCode() {
       return this.State.GetHashCode();
+    }
+
+    public override string StringRepresentation
+    {
+      get
+      {
+        if (stringRepresentation == null) stringRepresentation = this.State.ToString();
+        return stringRepresentation;
+      }
     }
 
@@ -40 +55 @@
       return hashCode.Value;
     }
+
+    public void Reset() {
+      State = default(T);
+    }
   }
 }