Changeset 14549 for branches/PersistenceOverhaul/HeuristicLab.Persistence/4.0/Core/Index.cs

Timestamp:

01/05/17 17:36:50 (8 years ago)

Author:

jkarder

Message:

#2520: worked on persistence

File:

• branches/PersistenceOverhaul/HeuristicLab.Persistence/4.0/Core/Index.cs (modified) (4 diffs)

branches/PersistenceOverhaul/HeuristicLab.Persistence/4.0/Core/Index.cs

@@ -20 +20 @@
 #endregion
 
-using System;
 using System.Collections.Generic;
-using System.Linq;
 using HeuristicLab.PluginInfrastructure;
 
@@ -35 +33 @@
       this.indexes = new Dictionary<T, uint>();
       this.values = new Dictionary<uint, T>();
-      nextIndex = 0;
+      nextIndex = 1;
     }
     public Index(IEnumerable<T> values)
@@ -47 +45 @@
 
     public uint GetIndex(T value) {
-      uint index;
-      if (!indexes.TryGetValue(value, out index)) {
+      uint index = 0;
+      if (value != null && !indexes.TryGetValue(value, out index)) {
         index = nextIndex;
         nextIndex++;
@@ -57 +55 @@
     }
     public T GetValue(uint index) {
-      return values[index];
+      return index == 0 ? null : values[index];
     }
     public IEnumerable<T> GetValues() {