/mcs/class/System.ServiceModel/System.Collections.Generic/SynchronizedCollection.cs
C# | 260 lines | 195 code | 38 blank | 27 comment | 7 complexity | 055f80de4b2e056d4c5654c6411665c4 MD5 | raw file
Possible License(s): Unlicense, Apache-2.0, LGPL-2.0, MPL-2.0-no-copyleft-exception, CC-BY-SA-3.0, GPL-2.0
- //
- // SynchronizedCollection.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;
- using System.Runtime.InteropServices;
- namespace System.Collections.Generic
- {
- [ComVisibleAttribute (false)]
- public class SynchronizedCollection<T> : IList<T>, ICollection<T>,
- IEnumerable<T>, IList, ICollection, IEnumerable
- {
- object root;
- List<T> list;
- public SynchronizedCollection ()
- : this (new object (), null, false)
- {
- }
- public SynchronizedCollection (object syncRoot)
- : this (syncRoot, null, false)
- {
- }
- public SynchronizedCollection (object syncRoot,
- IEnumerable<T> list)
- : this (syncRoot, new List<T> (list), false)
- {
- }
- public SynchronizedCollection (object syncRoot,
- params T [] list)
- : this (syncRoot, new List<T> (list), false)
- {
- }
- public SynchronizedCollection (object syncRoot,
- List<T> list, bool makeCopy)
- {
- if (syncRoot == null)
- syncRoot = new object ();
- root = syncRoot;
- if (list == null)
- this.list = new List<T> ();
- else if (makeCopy)
- this.list = new List<T> (list);
- else
- this.list = list;
- }
- public int Count {
- get {
- lock (root) {
- return list.Count;
- }
- }
- }
- public T this [int index] {
- get {
- lock (root) {
- return list [index];
- }
- }
- set {
- SetItem (index, value);
- }
- }
- public object SyncRoot {
- get { return root; }
- }
- protected List<T> Items {
- get { return list; }
- }
- public void Add (T item)
- {
- InsertItem (list.Count, item);
- }
- public void Clear ()
- {
- ClearItems ();
- }
- public bool Contains (T item)
- {
- lock (root) {
- return list.Contains (item);
- }
- }
- public void CopyTo (T [] array, int index)
- {
- lock (root) {
- list.CopyTo (array, index);
- }
- }
- [MonoTODO ("Should be synchronized enumerator?")]
- public IEnumerator<T> GetEnumerator ()
- {
- lock (root) {
- return list.GetEnumerator ();
- }
- }
- public int IndexOf (T item)
- {
- lock (root) {
- return list.IndexOf (item);
- }
- }
- public void Insert (int index, T item)
- {
- InsertItem (index, item);
- }
- [MonoTODO ("should we lock and remove item without invoking RemoveItem() instead?")]
- public bool Remove (T item)
- {
- int index = IndexOf (item);
- if (index < 0)
- return false;
- RemoveAt (index);
- return true;
- }
- public void RemoveAt (int index)
- {
- RemoveItem (index);
- }
- protected virtual void ClearItems ()
- {
- lock (root) {
- list.Clear ();
- }
- }
- protected virtual void InsertItem (int index, T item)
- {
- lock (root) {
- list.Insert (index, item);
- }
- }
- protected virtual void RemoveItem (int index)
- {
- lock (root) {
- list.RemoveAt (index);
- }
- }
- protected virtual void SetItem (int index, T item)
- {
- lock (root) {
- list [index] = item;
- }
- }
- #region Explicit interface implementations
- void ICollection.CopyTo (Array array, int index)
- {
- CopyTo ((T []) array, index);
- }
- IEnumerator IEnumerable.GetEnumerator ()
- {
- return GetEnumerator ();
- }
- int IList.Add (object value)
- {
- lock (root) {
- Add ((T) value);
- return list.Count - 1;
- }
- }
- bool IList.Contains (object value)
- {
- return Contains ((T) value);
- }
- int IList.IndexOf (object value)
- {
- return IndexOf ((T) value);
- }
- void IList.Insert (int index, object value)
- {
- Insert (index, (T) value);
- }
- void IList.Remove (object value)
- {
- Remove ((T) value);
- }
- bool ICollection<T>.IsReadOnly {
- get { return false; }
- }
- bool ICollection.IsSynchronized {
- get { return true; }
- }
- object ICollection.SyncRoot {
- get { return root; }
- }
- bool IList.IsFixedSize {
- get { return false; }
- }
- bool IList.IsReadOnly {
- get { return false; }
- }
- object IList.this [int index] {
- get { return this [index]; }
- set { this [index] = (T) value; }
- }
- #endregion
- }
- }