source: branches/2520_PersistenceReintegration/HeuristicLab.Data/3.3/DateTimeValue.cs @ 16453

Last change on this file since 16453 was 16453, checked in by jkarder, 10 months ago

#2520: updated year of copyrights

File size: 2.9 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2019 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 HeuristicLab.Common;
24using HeuristicLab.Core;
25using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
26
27namespace HeuristicLab.Data {
28  [Item("DateTimeValue", "Represents a date and time value.")]
29  [StorableClass]
30  public class DateTimeValue : ValueTypeValue<DateTime>, IComparable, IStringConvertibleValue {
31    [StorableConstructor]
32    protected DateTimeValue(bool deserializing) : base(deserializing) { }
33    protected DateTimeValue(DateTimeValue original, Cloner cloner)
34      : base(original, cloner) {
35    }
36    public DateTimeValue() : base() { }
37    public DateTimeValue(DateTime value) : base(value) { }
38
39    public override IDeepCloneable Clone(Cloner cloner) {
40      return new DateTimeValue(this, cloner);
41    }
42
43    public override string ToString() {
44      return Value.ToString("o");  // round-trip format
45    }
46
47    public virtual int CompareTo(object obj) {
48      DateTimeValue other = obj as DateTimeValue;
49      if (other != null)
50        return Value.CompareTo(other.Value);
51      else
52        return Value.CompareTo(obj);
53    }
54
55    protected virtual bool Validate(string value, out string errorMessage) {
56      DateTime val;
57      bool valid = DateTime.TryParse(value, out val);
58      errorMessage = valid ? string.Empty : "Invalid Value (values must be formatted according to the current culture settings)";
59      return valid;
60    }
61    protected virtual string GetValue() {
62      return Value.ToString("o");  // round-trip format
63    }
64    protected virtual bool SetValue(string value) {
65      DateTime val;
66      if (DateTime.TryParse(value, out val)) {
67        Value = val;
68        return true;
69      } else {
70        return false;
71      }
72    }
73
74    #region IStringConvertibleValue Members
75    bool IStringConvertibleValue.Validate(string value, out string errorMessage) {
76      return Validate(value, out errorMessage);
77    }
78    string IStringConvertibleValue.GetValue() {
79      return GetValue();
80    }
81    bool IStringConvertibleValue.SetValue(string value) {
82      return SetValue(value);
83    }
84    #endregion
85  }
86}
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