1 | #region License Information
|
---|
2 | /* HeuristicLab
|
---|
3 | * Copyright (C) 2002-2019 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 |
|
---|
22 | using System.Collections.Generic;
|
---|
23 | using System.Linq;
|
---|
24 | using HeuristicLab.Collections;
|
---|
25 | using HeuristicLab.Common;
|
---|
26 | using HeuristicLab.Core;
|
---|
27 | using HeuristicLab.Data;
|
---|
28 | using HeuristicLab.Optimization;
|
---|
29 | using HeuristicLab.Optimization.Operators;
|
---|
30 | using HeuristicLab.Parameters;
|
---|
31 | using HEAL.Fossil;
|
---|
32 | using HeuristicLab.PluginInfrastructure;
|
---|
33 |
|
---|
34 | namespace HeuristicLab.Encodings.IntegerVectorEncoding {
|
---|
35 | /// <summary>
|
---|
36 | /// A shaking operator for VNS.
|
---|
37 | /// </summary>
|
---|
38 | [Item("IntegerVectorShakingOperator", "A shaking operator for VNS which uses available manipulation operators to perform the shaking.")]
|
---|
39 | [StorableType("852155D8-B96F-4AAA-A9F9-5358F317C015")]
|
---|
40 | public class IntegerVectorShakingOperator : ShakingOperator<IIntegerVectorManipulator>, IIntegerVectorMultiNeighborhoodShakingOperator, IStochasticOperator, IBoundedIntegerVectorOperator {
|
---|
41 |
|
---|
42 | public ILookupParameter<IntegerVector> IntegerVectorParameter {
|
---|
43 | get { return (ILookupParameter<IntegerVector>)Parameters["IntegerVector"]; }
|
---|
44 | }
|
---|
45 |
|
---|
46 | public ILookupParameter<IRandom> RandomParameter {
|
---|
47 | get { return (LookupParameter<IRandom>)Parameters["Random"]; }
|
---|
48 | }
|
---|
49 |
|
---|
50 | public IValueLookupParameter<IntMatrix> BoundsParameter {
|
---|
51 | get { return (IValueLookupParameter<IntMatrix>)Parameters["Bounds"]; }
|
---|
52 | }
|
---|
53 |
|
---|
54 | [StorableConstructor]
|
---|
55 | protected IntegerVectorShakingOperator(StorableConstructorFlag _) : base(_) { }
|
---|
56 | protected IntegerVectorShakingOperator(IntegerVectorShakingOperator original, Cloner cloner) : base(original, cloner) { }
|
---|
57 | public override IDeepCloneable Clone(Cloner cloner) {
|
---|
58 | return new IntegerVectorShakingOperator(this, cloner);
|
---|
59 | }
|
---|
60 | public IntegerVectorShakingOperator()
|
---|
61 | : base() {
|
---|
62 | Parameters.Add(new LookupParameter<IntegerVector>("IntegerVector", "The integer vector to shake."));
|
---|
63 | Parameters.Add(new LookupParameter<IRandom>("Random", "The random number generator that will be used for stochastic shaking operators."));
|
---|
64 | Parameters.Add(new ValueLookupParameter<IntMatrix>("Bounds", "A 2 column matrix specifying the lower and upper bound for each dimension. If there are less rows than dimension the bounds vector is cycled."));
|
---|
65 |
|
---|
66 | foreach (IIntegerVectorManipulator shaker in ApplicationManager.Manager.GetInstances<IIntegerVectorManipulator>().OrderBy(x => x.Name))
|
---|
67 | if (!(shaker is ISelfAdaptiveManipulator)) Operators.Add(shaker);
|
---|
68 | }
|
---|
69 |
|
---|
70 | [StorableHook(HookType.AfterDeserialization)]
|
---|
71 | private void AfterDeserialization() {
|
---|
72 | #region Backwards compatible code, remove with 3.4
|
---|
73 | if (!Parameters.ContainsKey("Bounds"))
|
---|
74 | Parameters.Add(new ValueLookupParameter<IntMatrix>("Bounds", "A 2 column matrix specifying the lower and upper bound for each dimension. If there are less rows than dimension the bounds vector is cycled."));
|
---|
75 | #endregion
|
---|
76 | }
|
---|
77 |
|
---|
78 | #region Wiring of some parameters
|
---|
79 | protected override void Operators_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IndexedItem<IIntegerVectorManipulator>> e) {
|
---|
80 | base.Operators_ItemsAdded(sender, e);
|
---|
81 | ParameterizeOperators(e.Items);
|
---|
82 | }
|
---|
83 |
|
---|
84 | protected override void Operators_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<IndexedItem<IIntegerVectorManipulator>> e) {
|
---|
85 | base.Operators_ItemsReplaced(sender, e);
|
---|
86 | ParameterizeOperators(e.Items);
|
---|
87 | }
|
---|
88 |
|
---|
89 | private void ParameterizeOperators(IEnumerable<IndexedItem<IIntegerVectorManipulator>> items) {
|
---|
90 | if (items.Any()) {
|
---|
91 | foreach (IStochasticOperator op in items.Select(x => x.Value).OfType<IStochasticOperator>())
|
---|
92 | op.RandomParameter.ActualName = RandomParameter.Name;
|
---|
93 | foreach (IIntegerVectorManipulator op in items.Select(x => x.Value).OfType<IIntegerVectorManipulator>())
|
---|
94 | op.IntegerVectorParameter.ActualName = IntegerVectorParameter.Name;
|
---|
95 | }
|
---|
96 | }
|
---|
97 | #endregion
|
---|
98 | }
|
---|
99 | }
|
---|