#region License Information
/* HeuristicLab
* Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
*
* This file is part of HeuristicLab.
*
* HeuristicLab is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* HeuristicLab is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with HeuristicLab. If not, see .
*/
#endregion
using System;
using System.Collections.Generic;
using System.Linq;
using HeuristicLab.PluginInfrastructure;
namespace HeuristicLab.Persistence {
[NonDiscoverableType]
internal sealed class Index where T : class {
private Dictionary indexes;
private Dictionary values;
private uint nextIndex;
public Index() {
this.indexes = new Dictionary();
this.values = new Dictionary();
nextIndex = 0;
}
public Index(IEnumerable values)
: this() {
foreach (var value in values) {
this.indexes.Add(value, nextIndex);
this.values.Add(nextIndex, value);
nextIndex++;
}
}
public uint GetIndex(T value) {
uint index;
if (!indexes.TryGetValue(value, out index)) {
index = nextIndex;
nextIndex++;
indexes.Add(value, index);
values.Add(index, value);
}
return index;
}
public T GetValue(uint index) {
return values[index];
}
public IEnumerable GetValues() {
return values.Values;
}
}
}