source: trunk/sources/HeuristicLab.Parameters/3.3/ValueParameter.cs @ 5843

Last change on this file since 5843 was 5843, checked in by mkommend, 9 years ago

#1049: Added code to create default values in ValueParameters if possible.

File size: 3.1 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2011 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.Reflection;
24using HeuristicLab.Common;
25using HeuristicLab.Core;
26using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
27
28namespace HeuristicLab.Parameters {
29  /// <summary>
30  /// A parameter whose value is defined in the parameter itself.
31  /// </summary>
32  [Item("ValueParameter", "A parameter whose value is defined in the parameter itself.")]
33  [StorableClass]
34  public class ValueParameter<T> : OptionalValueParameter<T> where T : class, IItem {
35    public override T Value {
36      get { return base.Value; }
37      set {
38        if ((value == null) && (Value != null)) throw new ArgumentNullException();
39        base.Value = value;
40      }
41    }
42
43    [StorableConstructor]
44    protected ValueParameter(bool deserializing) : base(deserializing) { }
45    protected ValueParameter(ValueParameter<T> original, Cloner cloner) : base(original, cloner) { }
46
47    public ValueParameter() : base() { }
48    public ValueParameter(string name) : base(name) { base.Value = CreateDefaultValue(); }
49    public ValueParameter(string name, bool getsCollected) : base(name, getsCollected) { base.Value = CreateDefaultValue(); }
50    public ValueParameter(string name, T value) : base(name, value) { }
51    public ValueParameter(string name, T value, bool getsCollected) : base(name, value, getsCollected) { }
52    public ValueParameter(string name, string description) : base(name, description) { base.Value = CreateDefaultValue(); }
53    public ValueParameter(string name, string description, bool getsCollected) : base(name, description, getsCollected) { base.Value = CreateDefaultValue(); }
54    public ValueParameter(string name, string description, T value) : base(name, description, value) { }
55    public ValueParameter(string name, string description, T value, bool getsCollected) : base(name, description, value, getsCollected) { }
56
57    protected T CreateDefaultValue() {
58      ConstructorInfo defaultConstructor = typeof(T).GetConstructor(Type.EmptyTypes);
59      if (defaultConstructor != null)
60        return (T)defaultConstructor.Invoke(new object[0]);
61      return null;
62    }
63
64    public override IDeepCloneable Clone(Cloner cloner) {
65      return new ValueParameter<T>(this, cloner);
66    }
67  }
68}
Note: See TracBrowser for help on using the repository browser.