Mercurial > pub > ImplabNet

comparison Implab/Components/ComponentContainer.cs @ 152:240aa6994018 v2

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
component model refactoring
author cin
date Thu, 11 Feb 2016 01:56:27 +0300
parents
children b933ec88446e
comparison
equal deleted inserted replaced
151:ec91a6dfa5b3 152:240aa6994018
1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4
5 namespace Implab.Components {
6 /// <summary>
7 /// Component container.
8 /// </summary>
9 /// <remarks>Instanses of this class are thread safe.</remarks>
10 public class ComponentContainer<T> : Disposable, ICollection<T> {
11 readonly HashSet<T> m_components = new HashSet<T>();
12
13 public void Clear() {
14 T[] removed;
15
16 lock (m_components) {
17 removed = new T[m_components.Count];
18 m_components.CopyTo(removed);
19 m_components.Clear();
20 }
21
22 foreach (var item in removed.OfType<IDisposable>())
23 item.Dispose();
24 }
25
26 public bool Contains(T item) {
27 lock (m_components)
28 return m_components.Contains(item);
29 }
30
31 public void CopyTo(T[] array, int arrayIndex) {
32 lock (m_components)
33 m_components.CopyTo(array, arrayIndex);
34 }
35
36 public bool Remove(T item) {
37 lock (m_components)
38 return m_components.Remove(item);
39 }
40
41 public int Count {
42 get {
43 lock (m_components)
44 return m_components.Count;
45 }
46 }
47
48 public bool IsReadOnly {
49 get {
50 return false;
51 }
52 }
53
54 public IEnumerator<T> GetEnumerator() {
55 T[] items;
56 lock (m_components) {
57 items = new T[m_components.Count];
58 m_components.CopyTo(items);
59 return (IEnumerator<T>)items.GetEnumerator();
60 }
61 }
62
63 System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() {
64 return GetEnumerator();
65 }
66
67 public void Add(T item) {
68 Safe.ArgumentNotNull(item, "item");
69
70 lock (m_components) {
71 if (IsDisposed)
72 Safe.Dispose(item);
73 else
74 m_components.Add(item);
75 }
76 }
77
78 protected override void Dispose(bool disposing) {
79 base.Dispose(disposing);
80 Clear();
81 }
82 }
83 }
84