source: trunk/sources/HeuristicLab.Encodings.RealVectorEncoding/3.3/Manipulators/MultiRealVectorManipulator.cs @ 3425

Last change on this file since 3425 was 3425, checked in by abeham, 12 years ago

Changed MultiCrossover to StochasticMultiOperator
Derived StochasticMultiBranch from StochasticMultiOperator
Derived encoding specific mutation/crossover operators from StochasticMultiOperator
#976

File size: 3.6 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System.Linq;
23using HeuristicLab.Collections;
24using HeuristicLab.Core;
25using HeuristicLab.Data;
26using HeuristicLab.Operators;
27using HeuristicLab.Optimization;
28using HeuristicLab.Parameters;
29using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
30
31namespace HeuristicLab.Encodings.RealVectorEncoding {
32  [Item("MultiRealVectorManipulator", "Randomly selects and applies one of its manipulators every time it is called.")]
33  [StorableClass]
34  public class MultiRealVectorManipulator : StochasticMultiOperator<IRealVectorManipulator>, IRealVectorManipulator {
35    public override bool CanChangeName {
36      get { return false; }
37    }
38    protected override bool CreateChildOperation {
39      get { return true; }
40    }
41    public override bool AutomaticTypeDiscovery {
42      get { return true; }
43    }
44
45    public ILookupParameter<RealVector> RealVectorParameter {
46      get { return (ILookupParameter<RealVector>)Parameters["RealVector"]; }
47    }
48    public IValueLookupParameter<DoubleMatrix> BoundsParameter {
49      get { return (IValueLookupParameter<DoubleMatrix>)Parameters["Bounds"]; }
50    }
51
52    [StorableConstructor]
53    private MultiRealVectorManipulator(bool deserializing) : base(deserializing) { }
54    public MultiRealVectorManipulator()
55      : base() {
56      Parameters.Add(new LookupParameter<RealVector>("RealVector", "The real vector that is being manipulating."));
57      Parameters.Add(new ValueLookupParameter<DoubleMatrix>("Bounds", "The lower and upper bounds for each dimension of the vector."));
58
59      Initialize();
60      ParameterizeManipulators();
61    }
62
63    [StorableHook(HookType.AfterDeserialization)]
64    private void Initialize() {
65      Operators.ItemsAdded += new CollectionItemsChangedEventHandler<IndexedItem<IRealVectorManipulator>>(Operators_ItemsAdded);
66      Operators.ItemsReplaced += new CollectionItemsChangedEventHandler<IndexedItem<IRealVectorManipulator>>(Operators_ItemsReplaced);
67    }
68
69    private void Operators_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<IndexedItem<IRealVectorManipulator>> e) {
70      ParameterizeManipulators();
71    }
72
73    private void Operators_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IndexedItem<IRealVectorManipulator>> e) {
74      ParameterizeManipulators();
75    }
76
77    private void ParameterizeManipulators() {
78      foreach (IRealVectorManipulator manipulator in Operators.OfType<IRealVectorManipulator>()) {
79        manipulator.RealVectorParameter.ActualName = RealVectorParameter.Name;
80        manipulator.BoundsParameter.ActualName = BoundsParameter.Name;
81      }
82      foreach (IStochasticOperator crossover in Operators.OfType<IStochasticOperator>()) {
83        crossover.RandomParameter.ActualName = RandomParameter.Name;
84      }
85    }
86  }
87}
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