标签:style class code ext color c
1:
2: using System;
3: using System.Collections.Generic;
4: using System.Text;
5: using System.IO;
6: using System.Runtime.Serialization.Formatters.Binary;
7: using System.Runtime.Serialization;
8:
9: namespace AkDTH.Common
10: {
11: /// <summary>
12: /// 单例模式泛型类
13: /// </summary>
14: public sealed class SingleObject<T> where T : new()
15: {
16: #region GetInstance 采用lock锁定线程判断方式
17: static readonly object padlock = new object();
18: private static T singleObject = default(T);
19: /// <summary>
20: /// 单例模式,返回SingleObject实例
21: /// </summary>
22: /// <returns>返回具体的泛型类</returns>
23: public static T GetInstance()
24: {
25: if (singleObject == null)
26: {
27: //利用辅助对象锁定当前线程
28: lock (padlock)
29: {
30: //双重判断服务对象是否为空
31: if (singleObject == null)
32: {
33: singleObject = new T();
34: }
35: }
36: }
37: return singleObject;
38: }
39: #endregion
40: #region 属性:Instance 第二种单例方法:采用内部嵌套类来延迟产生单例对象
41: /// <summary>
42: /// 返回单例对象的属性
43: /// 只要不访问Instance属性,访问该类中其他方法都不会初始化对象,
44: /// 实现了延迟加载
45: /// </summary>
46: public static T Instance
47: {
48: get
49: {
50: //调用内部嵌套类,利用嵌套类来延迟产生对象实例
51: return Nested.instance;
52: }
53: }
54: /// <summary>
55: /// 密封的内部嵌套辅助类,辅助创建单例对象
56: /// </summary>
57: sealed class Nested
58: {
59: /// <summary>
60: /// 静态化构造方法,避免被new
61: /// </summary>
62: static Nested()
63: {
64: }
65: /// <summary>
66: /// 只读的父类型属性
67: /// </summary>
68: internal static readonly T instance = new T();
69: }
70: #endregion
71:
72:
73:
74: }
75: }
标签:style class code ext color c
原文地址:http://www.cnblogs.com/maomao999/p/3718716.html