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source: trunk/sources/HeuristicLab.Data/StringData.cs @ 796

Last change on this file since 796 was 763, checked in by gkronber, 16 years ago

removed visitor interfaces and methods in HeuristicLab.Data and fixed classes in HeuristicLab.Random to work without visitor methods. #343 (Rethink about usefulness of visitors for ObjectData and Constraints)

File size: 4.5 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  /// <summary>
30  /// The representation of a string.
31  /// </summary>
32  public class StringData : ObjectData {
33    /// <summary>
34    /// Gets or sets the string value.
35    /// </summary>
36    /// <remarks>Uses property <see cref="ObjectData.Data"/> of base class <see cref="ObjectData"/>.
37    /// No own data storage present.</remarks>
38    public new string Data {
39      get { return (string)base.Data; }
40      set { base.Data = value; }
41    }
42
43    /// <summary>
44    /// Initializes a new instance of <see cref="StringData"/>
45    /// with the name of the type of the current instance as default value.
46    /// </summary>
47    public StringData() {
48      Data = this.GetType().Name;
49    }
50    /// <summary>
51    /// Initializes a new instance of <see cref="StringData"/> with the specified <paramref name="data"/>.
52    /// </summary>
53    /// <param name="data">The string value the current instance should represent.</param>
54    public StringData(string data) {
55      Data = data;
56    }
57   
58    /// <summary>
59    /// Creates a new instance of <see cref="StringDataView"/>.
60    /// </summary>
61    /// <returns>The created instance as <see cref="StringDataView"/>.</returns>
62    public override IView CreateView() {
63      return new StringDataView(this);
64    }
65
66    /// <summary>
67    /// Clones the current instance.
68    /// </summary>
69    /// <remarks>The current instance is added to the dictionary <paramref name="clonedObjects"/>.</remarks>
70    /// <param name="clonedObjects">A dictionary of all already cloned objects.</param>
71    /// <returns>The coned instance as <see cref="StringData"/>.</returns>
72    public override object Clone(IDictionary<Guid, object> clonedObjects) {
73      StringData clone = new StringData();
74      clonedObjects.Add(Guid, clone);
75      clone.Data = Data;
76      return clone;
77    }
78
79    /// <summary>
80    /// Saves the current instance as <see cref="XmlNode"/> in the specified <paramref name="document"/>.
81    /// </summary>
82    /// <remarks>The string value is saved in the node's inner text.</remarks>
83    /// <param name="name">The (tag)name of the <see cref="XmlNode"/>.</param>
84    /// <param name="document">The <see cref="XmlDocument"/> where to save the data.</param>
85    /// <param name="persistedObjects">A dictionary of all already persisted objects.(Needed to avoid cycles.)</param>
86    /// <returns>The saved <see cref="XmlNode"/>.</returns>
87    public override XmlNode GetXmlNode(string name, XmlDocument document, IDictionary<Guid,IStorable> persistedObjects) {
88      XmlNode node = base.GetXmlNode(name, document, persistedObjects);
89      node.InnerText = Data;
90      return node;
91    }
92    /// <summary>
93    ///  Loads the persisted string value from the specified <paramref name="node"/>.
94    /// </summary>
95    /// <remarks>The string value must be saved in the node's inner text
96    /// (see <see cref="GetXmlNode"/>).</remarks>
97    /// <param name="node">The <see cref="XmlNode"/> where the string is saved.</param>
98    /// <param name="restoredObjects">A dictionary of all already restored objects. (Needed to avoid cycles.)</param>
99    public override void Populate(XmlNode node, IDictionary<Guid,IStorable> restoredObjects) {
100      base.Populate(node, restoredObjects);
101      Data = node.InnerText;
102    }
103
104    /// <summary>
105    /// The string representation of the current instance.
106    /// </summary>
107    /// <returns>The string value.</returns>
108    public override string ToString() {
109      return Data;
110    }
111  }
112}
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