[14162] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[16140] | 3 | * Copyright (C) 2002-2018 Joseph Helm and Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[14162] | 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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| 22 | using System;
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| 23 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 24 | using HeuristicLab.Core;
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| 25 | using HeuristicLab.Common;
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| 26 |
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| 27 | namespace HeuristicLab.Problems.BinPacking {
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| 28 | [StorableClass]
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| 29 | // PackingPosition is immutable (and handled as value types concerning Equals and GetHashCode)
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| 30 | public abstract class PackingPosition : Item, IPackingPosition {
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| 31 | /// <summary>
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| 32 | /// The number of the bin to which the current item is assigned is stored in this variable. Counting starts at 0 !!!
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| 33 | /// </summary>
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| 34 | [Storable]
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| 35 | private readonly int assignedBin;
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| 36 | public int AssignedBin {
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| 37 | get { return assignedBin; }
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| 38 | }
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| 39 |
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| 40 | [Storable]
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| 41 | private readonly bool rotated;
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| 42 | /// <summary>
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| 43 | /// Determines if the positioned item is to be rotate by 90 degrees or not. (TODO: which axis?)
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| 44 | /// </summary>
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| 45 | public bool Rotated {
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| 46 | get { return rotated; }
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| 47 | }
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| 48 |
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| 49 | [StorableConstructor]
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| 50 | protected PackingPosition(bool deserializing) : base(deserializing) { }
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| 51 | protected PackingPosition(PackingPosition original, Cloner cloner)
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| 52 | : base(original, cloner) {
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| 53 | assignedBin = original.AssignedBin;
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| 54 | rotated = original.Rotated;
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| 55 | }
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| 56 |
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| 57 | protected PackingPosition(int assignedBin, bool rotated) {
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| 58 | this.assignedBin = assignedBin;
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| 59 | this.rotated = rotated;
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| 60 | }
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| 61 |
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| 62 | public override string ToString() {
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| 63 | return string.Format("[{0}-{1}]", AssignedBin, Rotated);
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| 64 | }
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| 65 |
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| 66 | public override bool Equals(object obj) {
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| 67 | var other = obj as PackingPosition;
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| 68 | if (other != null)
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| 69 | return (other.AssignedBin == this.AssignedBin && other.Rotated == this.Rotated);
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| 70 | else return false;
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| 71 | }
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| 72 |
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| 73 | public override int GetHashCode() {
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| 74 | return 31 * AssignedBin * (Rotated ? 3 : 7);
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| 75 | }
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| 76 | }
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| 77 | }
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