Statistics
| Branch: | Revision:

root / trunk / Pithos.Core / DynamicDictionary.cs @ 255f5f86

History | View | Annotate | Download (3.4 kB)

1
#region
2
/* -----------------------------------------------------------------------
3
 * <copyright file="DynamicDictionary.cs" company="GRNet">
4
 * 
5
 * Copyright 2011-2012 GRNET S.A. All rights reserved.
6
 *
7
 * Redistribution and use in source and binary forms, with or
8
 * without modification, are permitted provided that the following
9
 * conditions are met:
10
 *
11
 *   1. Redistributions of source code must retain the above
12
 *      copyright notice, this list of conditions and the following
13
 *      disclaimer.
14
 *
15
 *   2. Redistributions in binary form must reproduce the above
16
 *      copyright notice, this list of conditions and the following
17
 *      disclaimer in the documentation and/or other materials
18
 *      provided with the distribution.
19
 *
20
 *
21
 * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
22
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
25
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
28
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
31
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32
 * POSSIBILITY OF SUCH DAMAGE.
33
 *
34
 * The views and conclusions contained in the software and
35
 * documentation are those of the authors and should not be
36
 * interpreted as representing official policies, either expressed
37
 * or implied, of GRNET S.A.
38
 * </copyright>
39
 * -----------------------------------------------------------------------
40
 */
41
#endregion
42
using System.Collections.Generic;
43
using System.Dynamic;
44

    
45
namespace Pithos.Core
46
{
47
    public class DynamicDictionary : DynamicObject
48
    {
49
        // The inner dictionary.
50
        Dictionary<string, object> dictionary
51
            = new Dictionary<string, object>();
52

    
53
        // This property returns the number of elements
54
        // in the inner dictionary.
55
        public int Count
56
        {
57
            get
58
            {
59
                return dictionary.Count;
60
            }
61
        }
62

    
63
        // If you try to get a value of a property 
64
        // not defined in the class, this method is called.
65
        public override bool TryGetMember(
66
            GetMemberBinder binder, out object result)
67
        {
68
            // Converting the property name to lowercase
69
            // so that property names become case-insensitive.
70
            string name = binder.Name.ToLower();
71

    
72
            // If the property name is found in a dictionary,
73
            // set the result parameter to the property value and return true.
74
            // Otherwise, return false.
75
            return dictionary.TryGetValue(name, out result);
76
        }
77

    
78
        // If you try to set a value of a property that is
79
        // not defined in the class, this method is called.
80
        public override bool TrySetMember(
81
            SetMemberBinder binder, object value)
82
        {
83
            // Converting the property name to lowercase
84
            // so that property names become case-insensitive.
85
            dictionary[binder.Name.ToLower()] = value;
86

    
87
            // You can always add a value to a dictionary,
88
            // so this method always returns true.
89
            return true;
90
        }
91
    }
92
}