1 | #region License Information
|
---|
2 | /* HeuristicLab
|
---|
3 | * Copyright (C) 2002-2012 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 HeuristicLab.Common;
|
---|
23 | using HeuristicLab.Core;
|
---|
24 | using HeuristicLab.Data;
|
---|
25 | using HeuristicLab.Encodings.PermutationEncoding;
|
---|
26 | using HeuristicLab.Optimization;
|
---|
27 | using HeuristicLab.Parameters;
|
---|
28 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
|
---|
29 | using HeuristicLab.Problems.BinPacking.Interfaces;
|
---|
30 |
|
---|
31 | namespace HeuristicLab.Encodings.PackingEncoding.PackingSequence {
|
---|
32 | [Item("PackingSequenceCreator", "Creator class used to create PackingSequence solutions for bin packing problems.")]
|
---|
33 | [StorableClass]
|
---|
34 | public class PackingSequenceRandomCreator : PackingSolutionCreator, IStochasticOperator {
|
---|
35 |
|
---|
36 | public ILookupParameter<IRandom> RandomParameter {
|
---|
37 | get { return (LookupParameter<IRandom>)Parameters["Random"]; }
|
---|
38 | }
|
---|
39 | public IValueLookupParameter<IntValue> PackingItemsParameter {
|
---|
40 | get { return (IValueLookupParameter<IntValue>)Parameters["PackingItems"]; }
|
---|
41 | }
|
---|
42 |
|
---|
43 | [StorableConstructor]
|
---|
44 | protected PackingSequenceRandomCreator(bool deserializing) : base(deserializing) { }
|
---|
45 | protected PackingSequenceRandomCreator(PackingSequenceRandomCreator original, Cloner cloner) : base(original, cloner) {
|
---|
46 | }
|
---|
47 | public override IDeepCloneable Clone(Cloner cloner) {
|
---|
48 | return new PackingSequenceRandomCreator(this, cloner);
|
---|
49 | }
|
---|
50 |
|
---|
51 | public PackingSequenceRandomCreator()
|
---|
52 | : base() {
|
---|
53 | Parameters.Add(new LookupParameter<IRandom>("Random", "The pseudo random number generator."));
|
---|
54 | Parameters.Add(new ValueLookupParameter<IntValue>("PackingItems", "The number of packing-items handled in this problem instance."));
|
---|
55 |
|
---|
56 | EncodedSolutionParameter.ActualName = "PackingSequence";
|
---|
57 | }
|
---|
58 |
|
---|
59 |
|
---|
60 | public static PackingSequenceEncoding Apply(int items, IRandom random) {
|
---|
61 | var solution = new PackingSequenceEncoding();
|
---|
62 | solution.PackingSequence = new Permutation(PermutationTypes.Absolute, items, random);
|
---|
63 | return solution;
|
---|
64 | }
|
---|
65 |
|
---|
66 | protected override IPackingSolutionEncoding CreateSolution() {
|
---|
67 | return Apply(PackingItemsParameter.ActualValue.Value, RandomParameter.ActualValue);
|
---|
68 | }
|
---|
69 | }
|
---|
70 | }
|
---|