source: trunk/sources/HeuristicLab.Problems.BinPacking/3.3/PackingPosition.cs @ 15589

Last change on this file since 15589 was 15583, checked in by swagner, 4 years ago

#2640: Updated year of copyrights in license headers

File size: 2.6 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2018 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
22using System;
23using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
24using HeuristicLab.Core;
25using HeuristicLab.Common;
26
27namespace HeuristicLab.Problems.BinPacking {
28  [StorableClass]
29  // PackingPosition is immutable (and handled as value types concerning Equals and GetHashCode)
30  public abstract class PackingPosition : Item, IPackingPosition {
31    /// <summary>
32    /// The number of the bin to which the current item is assigned is stored in this variable. Counting starts at 0 !!!
33    /// </summary>   
34    [Storable]
35    private readonly int assignedBin;
36    public int AssignedBin {
37      get { return assignedBin; }
38    }
39
40    [Storable]
41    private readonly bool rotated;
42    /// <summary>
43    /// Determines if the positioned item is to be rotate by 90 degrees or not. (TODO: which axis?)
44    /// </summary>
45    public bool Rotated {
46      get { return rotated; }
47    }
48
49    [StorableConstructor]
50    protected PackingPosition(bool deserializing) : base(deserializing) { }
51    protected PackingPosition(PackingPosition original, Cloner cloner)
52      : base(original, cloner) {
53      assignedBin = original.AssignedBin;
54      rotated = original.Rotated;
55    }
56
57    protected PackingPosition(int assignedBin, bool rotated) {
58      this.assignedBin = assignedBin;
59      this.rotated = rotated;
60    }
61
62    public override string ToString() {
63      return string.Format("[{0}-{1}]", AssignedBin, Rotated);
64    }
65
66    public override bool Equals(object obj) {
67      var other = obj as PackingPosition;
68      if (other != null)
69        return (other.AssignedBin == this.AssignedBin && other.Rotated == this.Rotated);
70      else return false;
71    }
72
73    public override int GetHashCode() {
74      return 31 * AssignedBin * (Rotated ? 3 : 7);
75    }
76  }
77}
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