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source: trunk/sources/HeuristicLab.Data/3.3/TimeSpanValue.cs @ 3317

Last change on this file since 3317 was 3317, checked in by swagner, 14 years ago

Implemented ReadOnlyView property for items (#969).

File size: 2.9 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2010 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.Text;
24using HeuristicLab.Core;
25using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
26
27namespace HeuristicLab.Data {
28  [Item("TimeSpanValue", "Represents a duration of time.")]
29  [StorableClass]
30  public class TimeSpanValue : ValueTypeValue<TimeSpan>, IComparable, IStringConvertibleValue {
31    public TimeSpanValue() : base() { }
32    public TimeSpanValue(TimeSpan value) : base(value) { }
33
34    public override IDeepCloneable Clone(Cloner cloner) {
35      TimeSpanValue clone = new TimeSpanValue(value);
36      cloner.RegisterClonedObject(this, clone);
37      clone.ReadOnlyView = ReadOnlyView;
38      return clone;
39    }
40
41    public virtual int CompareTo(object obj) {
42      TimeSpanValue other = obj as TimeSpanValue;
43      if (other != null)
44        return Value.CompareTo(other.Value);
45      else
46        return Value.CompareTo(obj);
47    }
48
49    protected virtual bool Validate(string value, out string errorMessage) {
50      TimeSpan val;
51      bool valid = TimeSpan.TryParse(value, out val);
52      errorMessage = string.Empty;
53      if (!valid) {
54        StringBuilder sb = new StringBuilder();
55        sb.Append("Invalid Value (Valid Value Format: \"");
56        sb.Append(FormatPatterns.GetTimeSpanFormatPattern());
57        sb.Append("\")");
58        errorMessage = sb.ToString();
59      }
60      return valid;
61    }
62    protected virtual string GetValue() {
63      return Value.ToString();
64    }
65    protected virtual bool SetValue(string value) {
66      TimeSpan val;
67      if (TimeSpan.TryParse(value, out val)) {
68        Value = val;
69        return true;
70      } else {
71        return false;
72      }
73    }
74
75    #region IStringConvertibleValue Members
76    bool IStringConvertibleValue.Validate(string value, out string errorMessage) {
77      return Validate(value, out errorMessage);
78    }
79    string IStringConvertibleValue.GetValue() {
80      return GetValue();
81    }
82    bool IStringConvertibleValue.SetValue(string value) {
83      return SetValue(value);
84    }
85    #endregion
86  }
87}
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