MarkItUp.SingleUserBlog/Services/DataLayer.cs

微信扫码关注公众号，代码整理好后第一时间通知你。

using System;
using MarkItUp.SingleUserBlog.Common;

namespace MarkItUp.SingleUserBlog.Services {
	public class DataLayer {
		private DataLayer() { }

		private static volatile BlogDataProvider instance = null;
		private static object syncRoot = new Object();


		/// <summary>
		/// Singleton accessor to the BlogDataProvider instance
		/// </summary>
		public static BlogDataProvider Instance {
			get {
				lock (syncRoot) {
					if (instance == null) {
						Type t = Type.GetType(BlogConfigurationSettings.DataAccessType, true);
						instance = (BlogDataProvider)Activator.CreateInstance(t);
					}
				}
				return instance;
			}
		}
	}
}