2 // ExtensionCollection.cs
4 // Author: Atsushi Enomoto (atsushi@ximian.com)
6 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
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:
16 // The above copyright notice and this permission notice shall be
17 // included in all copies or substantial portions of the Software.
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.
28 using System.Collections;
29 using System.Collections.Generic;
30 using System.Collections.ObjectModel;
32 namespace System.ServiceModel
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>
42 public ExtensionCollection (T owner)
43 : this (owner, new object ())
47 public ExtensionCollection (T owner, object syncRoot)
55 foreach (IExtension<T> item in this)
57 return (E) (object) item;
61 public Collection<E> FindAll<E> ()
63 Collection<E> c = new Collection<E> ();
64 foreach (IExtension<T> item in this)
66 c.Add ((E) (object) item);
70 bool ICollection<IExtension<T>>.IsReadOnly {
75 protected override void ClearItems ()
78 for (int i = 0; i < Count; i++) {
79 this [i].Detach (owner);
85 protected override void InsertItem (int index, IExtension<T> item)
89 base.InsertItem (index, item);
93 protected override void RemoveItem (int index)
96 this [index].Detach (owner);
97 base.RemoveItem (index);
101 protected override void SetItem (int index, IExtension<T> item)
103 // FIXME: threadsafe?
104 this [index].Detach (owner);
106 base.SetItem (index, item);