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source: branches/3.0/sources/HeuristicLab.Data/ConstrainedObjectData.cs @ 9198

Last change on this file since 9198 was 2, checked in by swagner, 17 years ago

Added HeuristicLab 3.0 sources from former SVN repository at revision 52

File size: 3.1 KB
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1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2008 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 System.Collections.Generic;
24using System.Text;
25using System.Xml;
26using HeuristicLab.Core;
27
28namespace HeuristicLab.Data {
29  public class ConstrainedObjectData : ConstrainedItemBase, IObjectData {
30    private object myData;
31    public virtual object Data {
32      get { return myData; }
33      set {
34        if (myData != value) {
35          myData = value;
36          OnChanged();
37        }
38      }
39    }
40
41    public virtual bool TrySetData(object data) {
42      if (myData != data) {
43        object backup = myData;
44        myData = data;
45        if (IsValid()) {
46          OnChanged();
47          return true;
48        } else {
49          myData = backup;
50          return false;
51        }
52      }
53      return true;
54    }
55    public virtual bool TrySetData(object data, out ICollection<IConstraint> violatedConstraints) {
56      if (myData != data) {
57        object backup = myData;
58        myData = data;
59        if (IsValid(out violatedConstraints)) {
60          OnChanged();
61          return true;
62        } else {
63          myData = backup;
64          return false;
65        }
66      }
67      violatedConstraints = new List<IConstraint>();
68      return true;
69    }
70
71    public override object Clone(IDictionary<Guid, object> clonedObjects) {
72      ConstrainedObjectData clone = (ConstrainedObjectData)base.Clone(clonedObjects);
73      if (Data is IStorable)
74        clone.myData = Auxiliary.Clone((IStorable)Data, clonedObjects);
75      else if (Data is ICloneable)
76        clone.myData = ((ICloneable)Data).Clone();
77      else
78        throw new InvalidOperationException("contained object is not cloneable");
79      return clone;
80    }
81
82    public int CompareTo(object obj) {
83      IComparable comparable = Data as IComparable;
84      if (comparable != null) {
85        IObjectData other = obj as IObjectData;
86        if (other != null)
87          return comparable.CompareTo(other.Data);
88        else
89          return comparable.CompareTo(obj);
90      }
91      throw new InvalidOperationException("Cannot compare as contained object doesn't implement IComparable");
92    }
93
94    public override string ToString() {
95      return Data.ToString();
96    }
97
98    public virtual void Accept(IObjectDataVisitor visitor) {
99      visitor.Visit(this);
100    }
101  }
102}
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