Changeset 2987 for trunk/sources

Timestamp:

03/10/10 03:40:18 (14 years ago)

Author:

swagner

Message:

Cached actual value in parameter lookup to improve performance (#901)

Location:

trunk/sources/HeuristicLab.Parameters/3.3

Files:

• LookupParameter.cs (modified) (1 diff)
• Parameter.cs (modified) (2 diffs)

trunk/sources/HeuristicLab.Parameters/3.3/LookupParameter.cs

@@ -44 +44 @@
     }
     public new T ActualValue {
-      get { return (T)GetActualValue(); }
-      set { SetActualValue(value); }
+      get {
+        if (cachedActualValue == null) cachedActualValue = GetActualValue();
+        return (T)cachedActualValue;
+      }
+      set {
+        cachedActualValue = value;
+        SetActualValue(value);
+      }
     }
 

trunk/sources/HeuristicLab.Parameters/3.3/Parameter.cs

@@ -43 +43 @@
       get { return dataType; }
     }
+    protected IItem cachedActualValue;
     public IItem ActualValue {
-      get { return GetActualValue(); }
-      set { SetActualValue(value); }
+      get {
+        if (cachedActualValue == null) cachedActualValue = GetActualValue();
+        return cachedActualValue;
+      }
+      set {
+        cachedActualValue = value;
+        SetActualValue(value);
+      }
     }
     [Storable]
@@ -54 +61 @@
         if (value != executionContext) {
           executionContext = value;
+          cachedActualValue = null;
           OnExecutionContextChanged();
         }