﻿/*
 * Authors:
 *   钟峰(Popeye Zhong) <zongsoft@qq.com>
 *
 * Copyright (C) 2010-2013 Zongsoft Corporation <http://www.zongsoft.com>
 *
 * This file is part of Zongsoft.Plugins.
 *
 * Zongsoft.Plugins is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * Zongsoft.Plugins is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with Zongsoft.Plugins; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

using System;
using System.Collections.Generic;

namespace Zongsoft.Plugins.Builders
{
	/// <summary>
	/// 提供构建器行为约定的特性类。
	/// </summary>
	/// <remarks>
	///		<para>在特定情况建议使用该类对构建器进行定制。</para>
	/// </remarks>
	[AttributeUsage(AttributeTargets.Class)]
	public class BuilderBehaviorAttribute : Attribute
	{
		#region 成员字段
		private Type _valueType;
		#endregion

		#region 构造函数
		public BuilderBehaviorAttribute(Type valueType)
		{
			if(valueType == null)
				throw new ArgumentNullException("valueType");

			_valueType = valueType;
		}
		#endregion

		#region 公共属性
		public Type ValueType
		{
			get
			{
				return _valueType;
			}
			set
			{
				if(value == null)
					throw new ArgumentNullException();

				_valueType = value;
			}
		}
		#endregion
	}
}
