Merge pull request #747 from spicypixel/hotfix/object-disable-com
[mono.git] / mcs / class / System.ServiceModel / System.ServiceModel / ExtensionCollection.cs
1 //
2 // ExtensionCollection.cs
3 //
4 // Author: Atsushi Enomoto (atsushi@ximian.com)
5 //
6 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
7 //
8 // Permission is hereby granted, free of charge, to any person obtaining
9 // a copy of this software and associated documentation files (the
10 // "Software"), to deal in the Software without restriction, including
11 // without limitation the rights to use, copy, modify, merge, publish,
12 // distribute, sublicense, and/or sell copies of the Software, and to
13 // permit persons to whom the Software is furnished to do so, subject to
14 // the following conditions:
15 // 
16 // The above copyright notice and this permission notice shall be
17 // included in all copies or substantial portions of the Software.
18 // 
19 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
22 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
23 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
24 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
25 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 //
27 using System;
28 using System.Collections;
29 using System.Collections.Generic;
30 using System.Collections.ObjectModel;
31
32 namespace System.ServiceModel
33 {
34         public sealed class ExtensionCollection<T>
35                 : SynchronizedCollection<IExtension<T>>,
36                 IExtensionCollection<T>, ICollection<IExtension<T>>, 
37                 IEnumerable<IExtension<T>>, IEnumerable
38                 where T : IExtensibleObject<T>
39         {
40                 T owner;
41
42                 public ExtensionCollection (T owner)
43                         : this (owner, new object ())
44                 {
45                 }
46
47                 public ExtensionCollection (T owner, object syncRoot)
48                         : base (syncRoot)
49                 {
50                         this.owner = owner;
51                 }
52
53                 public E Find<E> ()
54                 {
55                         foreach (IExtension<T> item in this)
56                                 if (item is E)
57                                         return (E) (object) item;
58                         return default (E);
59                 }
60
61                 public Collection<E> FindAll<E> ()
62                 {
63                         Collection<E> c = new Collection<E> ();
64                         foreach (IExtension<T> item in this)
65                                 if (item is E)
66                                         c.Add ((E) (object) item);
67                         return c;
68                 }
69
70                 bool ICollection<IExtension<T>>.IsReadOnly {
71                         get { return false; }
72                 }
73
74                 [MonoTODO]
75                 protected override void ClearItems ()
76                 {
77                         // FIXME: threadsafe?
78                         for (int i = 0; i < Count; i++) {
79                                 this [i].Detach (owner);
80                         }
81                         base.ClearItems ();
82                 }
83
84                 [MonoTODO]
85                 protected override void InsertItem (int index, IExtension<T> item)
86                 {
87                         // FIXME: threadsafe?
88                         item.Attach (owner);
89                         base.InsertItem (index, item);
90                 }
91
92                 [MonoTODO]
93                 protected override void RemoveItem (int index)
94                 {
95                         // FIXME: threadsafe?
96                         this [index].Detach (owner);
97                         base.RemoveItem (index);
98                 }
99
100                 [MonoTODO]
101                 protected override void SetItem (int index, IExtension<T> item)
102                 {
103                         // FIXME: threadsafe?
104                         this [index].Detach (owner);
105                         item.Attach (owner);
106                         base.SetItem (index, item);
107                 }
108         }
109 }