extensionfactorybuilder.cs

该项目中对 SQLHelper 类进行了简单封装

/* 
 * ExtensionFactoryBuilder.cs @Microsoft Visual Studio 2005 <.NET Framework 2.0>
 * AfritXia
 * 2007-12-10
 * 
 * Copyright(c) http://www.AfritXia.NET/
 * 
 */

using System;
using System.Collections.Generic;

using NET.AfritXia.MyHome.Extension.Definition;

namespace NET.AfritXia.MyHome.Extension
{
	/// <summary>
	/// 扩展工厂建造器
	/// </summary>
	public sealed class ExtensionFactoryBuilder
	{
		// 功能扩展群集合
		private SortedList<int, IExtensionFactory> m_extensionFactoryList = new SortedList<int, IExtensionFactory>();

		#region 类构造器
		/// <summary>
		/// 类默认构造器
		/// </summary>
		public ExtensionFactoryBuilder()
		{
		}
		#endregion

		/// <summary>
		/// 添加扩展工厂类型
		/// </summary>
		/// <param name="extensionFactoryType"></param>
		public void AddExtensionFactoryType(Type extensionFactoryType)
		{
			this.AddExtensionFactoryType(256, extensionFactoryType);
		}

		/// <summary>
		/// 添加扩展工厂类型
		/// </summary>
		/// <param name="priority">优先级</param>
		/// <param name="extensionFactoryType"></param>
		public void AddExtensionFactoryType(int priority, Type extensionFactoryType)
		{
			// 创建扩展工厂
			IExtensionFactory e = (IExtensionFactory)Activator.CreateInstance(extensionFactoryType);

			// 插入扩展工厂到集合
			this.m_extensionFactoryList.Add(priority, e);
		}

		/// <summary>
		/// 创建扩展工厂
		/// </summary>
		/// <returns></returns>
		public IExtensionFactory Build()
		{
			return new ExtensionFamilyFactory(this.m_extensionFactoryList.Values);
		}
	}
}