source: branches/HeuristicLab.BinPacking/HeuristicLab.Problems.BinPacking/3.3/Encodings/PackingSequence/PackingSequenceRandomCreator.cs @ 14038

Last change on this file since 14038 was 14038, checked in by gkronber, 5 years ago

#1966: fixed compile errors and reverted some changes from the last commit which prepared for refactoring to use new Encoding framework

File size: 3.4 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2015 Joseph Helm and 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
23using HeuristicLab.Common;
24using HeuristicLab.Core;
25using HeuristicLab.Data;
26using HeuristicLab.Encodings.PermutationEncoding;
27using HeuristicLab.Operators;
28using HeuristicLab.Optimization;
29using HeuristicLab.Parameters;
30using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
31
32namespace HeuristicLab.Encodings.PackingEncoding.PackingSequence {
33  [Item("PackingSequenceCreator", "Creator class used to create PackingSequence solutions for bin packing problems.")]
34  [StorableClass]
35  public class PackingSequenceRandomCreator : PackingSolutionCreator, IStochasticOperator {
36
37    public ILookupParameter<IRandom> RandomParameter {
38      get { return (LookupParameter<IRandom>)Parameters["Random"]; }
39    }
40    public IValueLookupParameter<IntValue> PackingItemsParameter {
41      get { return (IValueLookupParameter<IntValue>)Parameters["PackingItems"]; }
42    }
43
44    public ILookupParameter<Problems.BinPacking.Encodings.PackingSequence.PackingSequence> SolutionParameter {
45      get { return (ILookupParameter<Problems.BinPacking.Encodings.PackingSequence.PackingSequence>)Parameters["PackingItems"]; }
46    }
47
48    [StorableConstructor]
49    protected PackingSequenceRandomCreator(bool deserializing) : base(deserializing) { }
50    protected PackingSequenceRandomCreator(PackingSequenceRandomCreator original, Cloner cloner)
51      : base(original, cloner) {
52    }
53    public override IDeepCloneable Clone(Cloner cloner) {
54      return new PackingSequenceRandomCreator(this, cloner);
55    }
56
57    public PackingSequenceRandomCreator()
58      : base() {
59      Parameters.Add(new LookupParameter<IRandom>("Random", "The pseudo random number generator."));
60      Parameters.Add(new ValueLookupParameter<IntValue>("PackingItems", "The number of packing-items handled in this problem instance."));
61      Parameters.Add(new LookupParameter<Problems.BinPacking.Encodings.PackingSequence.PackingSequence>("PackingSequence"));
62
63      SolutionParameter.ActualName = "PackingSequence";
64    }
65
66    public override IOperation Apply() {
67      Apply(PackingItemsParameter.ActualValue.Value, RandomParameter.ActualValue);
68      return base.Apply();
69    }
70
71    public static PackingSequenceEncoding Apply(int items, IRandom random) {
72      var solution = new PackingSequenceEncoding();
73      solution.PackingSequence = new Permutation(PermutationTypes.Absolute, items, random);
74      return solution;
75    }
76    protected override IItem CreateSolution() {
77      return Apply(PackingItemsParameter.ActualValue.Value, RandomParameter.ActualValue);
78    }
79  }
80}
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