[9348] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[13032] | 3 | * Copyright (C) 2002-2015 Joseph Helm and Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[9348] | 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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[13032] | 22 |
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[9348] | 23 | using HeuristicLab.Common;
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| 24 | using HeuristicLab.Core;
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| 25 | using HeuristicLab.Data;
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| 26 | using HeuristicLab.Encodings.PermutationEncoding;
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[13613] | 27 | using HeuristicLab.Operators;
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[9348] | 28 | using HeuristicLab.Optimization;
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| 29 | using HeuristicLab.Parameters;
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| 30 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 31 |
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| 32 | namespace HeuristicLab.Encodings.PackingEncoding.PackingSequence {
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[13613] | 33 | [Item("PackingSequenceCreator", "Creator class used to create PackingSequence solutions for bin packing problems.")]
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| 34 | [StorableClass]
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| 35 | public class PackingSequenceRandomCreator : SingleSuccessorOperator, IPackingSequenceCreator, IStochasticOperator {
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[9348] | 36 |
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[13613] | 37 | public ILookupParameter<IRandom> RandomParameter {
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| 38 | get { return (LookupParameter<IRandom>)Parameters["Random"]; }
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| 39 | }
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| 40 | public IValueLookupParameter<IntValue> PackingItemsParameter {
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| 41 | get { return (IValueLookupParameter<IntValue>)Parameters["PackingItems"]; }
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| 42 | }
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[9348] | 43 |
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[13613] | 44 | public ILookupParameter<Problems.BinPacking.Encodings.PackingSequence.PackingSequence> SolutionParameter {
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| 45 | get { return (ILookupParameter<Problems.BinPacking.Encodings.PackingSequence.PackingSequence>)Parameters["PackingItems"]; }
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| 46 | }
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[9348] | 47 |
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[13613] | 48 | [StorableConstructor]
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| 49 | protected PackingSequenceRandomCreator(bool deserializing) : base(deserializing) { }
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| 50 | protected PackingSequenceRandomCreator(PackingSequenceRandomCreator original, Cloner cloner)
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| 51 | : base(original, cloner) {
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| 52 | }
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| 53 | public override IDeepCloneable Clone(Cloner cloner) {
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| 54 | return new PackingSequenceRandomCreator(this, cloner);
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| 55 | }
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| 56 |
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[9348] | 57 | public PackingSequenceRandomCreator()
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[13613] | 58 | : base() {
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| 59 | Parameters.Add(new LookupParameter<IRandom>("Random", "The pseudo random number generator."));
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| 60 | Parameters.Add(new ValueLookupParameter<IntValue>("PackingItems", "The number of packing-items handled in this problem instance."));
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| 61 | Parameters.Add(new LookupParameter<Problems.BinPacking.Encodings.PackingSequence.PackingSequence>("PackingSequence"));
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[9348] | 62 |
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[13613] | 63 | SolutionParameter.ActualName = "PackingSequence";
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| 64 | }
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[9348] | 65 |
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[13613] | 66 | public override IOperation Apply() {
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| 67 | Apply(PackingItemsParameter.ActualValue.Value, RandomParameter.ActualValue);
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| 68 | return base.Apply();
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| 69 | }
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[9348] | 70 |
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| 71 | public static PackingSequenceEncoding Apply(int items, IRandom random) {
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| 72 | var solution = new PackingSequenceEncoding();
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[9563] | 73 | solution.PackingSequence = new Permutation(PermutationTypes.Absolute, items, random);
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| 74 | return solution;
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| 75 | }
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[9348] | 76 |
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[13613] | 77 | }
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[9348] | 78 | }
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