[6042] | 1 | #region License Information
|
---|
| 2 | /* HeuristicLab
|
---|
[16565] | 3 | * Copyright (C) 2002-2019 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
|
---|
[6042] | 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.Optimization;
|
---|
| 28 | using HeuristicLab.Optimization.Operators;
|
---|
| 29 | using HeuristicLab.Parameters;
|
---|
[16565] | 30 | using HEAL.Attic;
|
---|
[6042] | 31 | using HeuristicLab.PluginInfrastructure;
|
---|
| 32 |
|
---|
| 33 | namespace HeuristicLab.Encodings.PermutationEncoding {
|
---|
| 34 | /// <summary>
|
---|
| 35 | /// A shaking operator for VNS.
|
---|
| 36 | /// </summary>
|
---|
| 37 | [Item("PermutationShakingOperator", "A shaking operator for VNS which uses available manipulation operators to perform the shaking.")]
|
---|
[16565] | 38 | [StorableType("632B3164-EEE1-4DAC-BB91-651A1CE2EED1")]
|
---|
[6042] | 39 | public class PermutationShakingOperator : ShakingOperator<IPermutationManipulator>, IPermutationMultiNeighborhoodShakingOperator, IStochasticOperator {
|
---|
| 40 |
|
---|
| 41 | public ILookupParameter<Permutation> PermutationParameter {
|
---|
| 42 | get { return (ILookupParameter<Permutation>)Parameters["Permutation"]; }
|
---|
| 43 | }
|
---|
| 44 |
|
---|
| 45 | public ILookupParameter<IRandom> RandomParameter {
|
---|
| 46 | get { return (LookupParameter<IRandom>)Parameters["Random"]; }
|
---|
| 47 | }
|
---|
| 48 |
|
---|
| 49 | [StorableConstructor]
|
---|
[16565] | 50 | protected PermutationShakingOperator(StorableConstructorFlag _) : base(_) { }
|
---|
[6042] | 51 | protected PermutationShakingOperator(PermutationShakingOperator original, Cloner cloner) : base(original, cloner) { }
|
---|
| 52 | public override IDeepCloneable Clone(Cloner cloner) {
|
---|
| 53 | return new PermutationShakingOperator(this, cloner);
|
---|
| 54 | }
|
---|
| 55 | public PermutationShakingOperator()
|
---|
| 56 | : base() {
|
---|
| 57 | Parameters.Add(new LookupParameter<Permutation>("Permutation", "The permutation to shake."));
|
---|
| 58 | Parameters.Add(new LookupParameter<IRandom>("Random", "The random number generator that will be used for stochastic shaking operators."));
|
---|
| 59 | foreach (IPermutationManipulator shaker in ApplicationManager.Manager.GetInstances<IPermutationManipulator>().OrderBy(x => x.Name))
|
---|
| 60 | if (!(shaker is MultiPermutationManipulator)) Operators.Add(shaker);
|
---|
| 61 | }
|
---|
| 62 |
|
---|
| 63 | #region Wiring of some parameters
|
---|
| 64 | protected override void Operators_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IndexedItem<IPermutationManipulator>> e) {
|
---|
| 65 | base.Operators_ItemsAdded(sender, e);
|
---|
| 66 | ParameterizeOperators(e.Items);
|
---|
| 67 | }
|
---|
| 68 |
|
---|
| 69 | protected override void Operators_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<IndexedItem<IPermutationManipulator>> e) {
|
---|
| 70 | base.Operators_ItemsReplaced(sender, e);
|
---|
| 71 | ParameterizeOperators(e.Items);
|
---|
| 72 | }
|
---|
| 73 |
|
---|
| 74 | private void ParameterizeOperators(IEnumerable<IndexedItem<IPermutationManipulator>> items) {
|
---|
| 75 | if (items.Any()) {
|
---|
| 76 | foreach (IStochasticOperator op in items.Select(x => x.Value).OfType<IStochasticOperator>())
|
---|
| 77 | op.RandomParameter.ActualName = RandomParameter.Name;
|
---|
| 78 | foreach (IPermutationManipulator op in items.Select(x => x.Value).OfType<IPermutationManipulator>())
|
---|
| 79 | op.PermutationParameter.ActualName = PermutationParameter.Name;
|
---|
| 80 | }
|
---|
| 81 | }
|
---|
| 82 | #endregion
|
---|
| 83 | }
|
---|
| 84 | }
|
---|