//
// ExtensionCollection.cs
//
// Author: Atsushi Enomoto (atsushi@ximian.com)
//
// Copyright (C) 2005 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.ObjectModel;
namespace System.ServiceModel{
public sealed class ExtensionCollection<T>
: SynchronizedCollection<IExtension<T>>,
IExtensionCollection<T>, ICollection<IExtension<T>>,
IEnumerable<IExtension<T>>, IEnumerable
where T : IExtensibleObject<T>
{
T owner;
public ExtensionCollection (T owner)
: this (owner, new object ())
{
}
public ExtensionCollection (T owner, object syncRoot)
: base (syncRoot)
{
this.owner = owner;
}
public E Find<E> ()
{
foreach (IExtension<T> item in this)
if (item is E)
return (E) (object) item;
return default (E);
}
public Collection<E> FindAll<E> ()
{
Collection<E> c = new Collection<E> ();
foreach (IExtension<T> item in this)
if (item is E)
c.Add ((E) (object) item);
return c;
}
bool ICollection<IExtension<T>>.IsReadOnly {
get { return false; }
}
[MonoTODO]
protected override void ClearItems ()
{
// FIXME: threadsafe?
for (int i = 0; i < Count; i++) {
this [i].Detach (owner);
}
base.ClearItems ();
}
[MonoTODO]
protected override void InsertItem (int index, IExtension<T> item)
{
// FIXME: threadsafe?
item.Attach (owner);
base.InsertItem (index, item);
}
[MonoTODO]
protected override void RemoveItem (int index)
{
// FIXME: threadsafe?
this [index].Detach (owner);
base.RemoveItem (index);
}
[MonoTODO]
protected override void SetItem (int index, IExtension<T> item)
{
// FIXME: threadsafe?
this [index].Detach (owner);
item.Attach (owner);
base.SetItem (index, item);
}
}
}
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