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source: branches/2994-AutoDiffForIntervals/HeuristicLab.Problems.BinPacking/3.3/PackingPosition.cs @ 17285

Last change on this file since 17285 was 17209, checked in by gkronber, 5 years ago

#2994: merged r17132:17198 from trunk to branch

File size: 2.6 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 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 HEAL.Attic;
23using HeuristicLab.Core;
24using HeuristicLab.Common;
25
26namespace HeuristicLab.Problems.BinPacking {
27  [StorableType("8ED65A4B-6F85-47EA-90C6-A4B47533E429")]
28  // PackingPosition is immutable (and handled as value types concerning Equals and GetHashCode)
29  public abstract class PackingPosition : Item, IPackingPosition {
30    /// <summary>
31    /// The number of the bin to which the current item is assigned is stored in this variable. Counting starts at 0 !!!
32    /// </summary>   
33    [Storable]
34    private readonly int assignedBin;
35    public int AssignedBin {
36      get { return assignedBin; }
37    }
38
39    [Storable]
40    private readonly bool rotated;
41    /// <summary>
42    /// Determines if the positioned item is to be rotate by 90 degrees or not. (TODO: which axis?)
43    /// </summary>
44    public bool Rotated {
45      get { return rotated; }
46    }
47
48    [StorableConstructor]
49    protected PackingPosition(StorableConstructorFlag _) : base(_) { }
50    protected PackingPosition(PackingPosition original, Cloner cloner)
51      : base(original, cloner) {
52      assignedBin = original.AssignedBin;
53      rotated = original.Rotated;
54    }
55
56    protected PackingPosition(int assignedBin, bool rotated) {
57      this.assignedBin = assignedBin;
58      this.rotated = rotated;
59    }
60
61    public override string ToString() {
62      return string.Format("[{0}-{1}]", AssignedBin, Rotated);
63    }
64
65    public override bool Equals(object obj) {
66      var other = obj as PackingPosition;
67      if (other != null)
68        return (other.AssignedBin == this.AssignedBin && other.Rotated == this.Rotated);
69      else return false;
70    }
71
72    public override int GetHashCode() {
73      return 31 * AssignedBin * (Rotated ? 3 : 7);
74    }
75  }
76}
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