Last change
on this file was
82,
checked in by swagner, 17 years ago
|
Fixed ticket #70
- added new data element NullData for representing a null value
- used NullData as value for the marker variable in CombinedOperator
|
File size:
1.5 KB
|
Line | |
---|
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 |
|
---|
22 | using System;
|
---|
23 | using System.Collections.Generic;
|
---|
24 | using System.Text;
|
---|
25 | using System.Xml;
|
---|
26 | using HeuristicLab.Core;
|
---|
27 |
|
---|
28 | namespace HeuristicLab.Data {
|
---|
29 | public class NullData : ObjectData {
|
---|
30 | public override object Data {
|
---|
31 | get { return null; }
|
---|
32 | set { throw new InvalidOperationException("Data property of NullData cannot be set"); }
|
---|
33 | }
|
---|
34 |
|
---|
35 | public NullData() {
|
---|
36 | base.Data = null;
|
---|
37 | }
|
---|
38 |
|
---|
39 | public override object Clone(IDictionary<Guid, object> clonedObjects) {
|
---|
40 | NullData clone = new NullData();
|
---|
41 | clonedObjects.Add(Guid, clone);
|
---|
42 | return clone;
|
---|
43 | }
|
---|
44 |
|
---|
45 | public override void Accept(IObjectDataVisitor visitor) {
|
---|
46 | visitor.Visit(this);
|
---|
47 | }
|
---|
48 | }
|
---|
49 | }
|
---|
Note: See
TracBrowser
for help on using the repository browser.