repositoryattribute.cs

精通SQL Server2005项目开发

#region Copyright & License
//
// Copyright 2001-2005 The Apache Software Foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#endregion

// .NET Compact Framework 1.0 has no support for reading assembly attributes
#if !NETCF

using System;

namespace log4net.Config
{
	/// <summary>
	/// Assembly level attribute that specifies the logging repository for the assembly.
	/// </summary>
	/// <remarks>
	/// <para>
	/// Assemblies are mapped to logging repository. This attribute specified 
	/// on the assembly controls
	/// the configuration of the repository. The <see cref="Name"/> property specifies the name
	/// of the repository that this assembly is a part of. The <see cref="RepositoryType"/>
	/// specifies the type of the <see cref="log4net.Repository.ILoggerRepository"/> object 
	/// to create for the assembly. If this attribute is not specified or a <see cref="Name"/> 
	/// is not specified then the assembly will be part of the default shared logging repository.
	/// </para>
	/// <para>
	/// This attribute can only be specified on the assembly and may only be used
	/// once per assembly.
	/// </para>
	/// </remarks>
	/// <author>Nicko Cadell</author>
	/// <author>Gert Driesen</author>
	[AttributeUsage(AttributeTargets.Assembly)]
	[Serializable]
	public /*sealed*/ class RepositoryAttribute : Attribute
	{
		//
		// Class is not sealed because DomainAttribute extends it while it is obsoleted
		// 

		#region Public Instance Constructors

		/// <summary>
		/// Initializes a new instance of the <see cref="RepositoryAttribute" /> class.
		/// </summary>
		/// <remarks>
		/// <para>
		/// Default constructor.
		/// </para>
		/// </remarks>
		public RepositoryAttribute()
		{
		}

		/// <summary>
		/// Initialize a new instance of the <see cref="RepositoryAttribute" /> class 
		/// with the name of the repository.
		/// </summary>
		/// <param name="name">The name of the repository.</param>
		/// <remarks>
		/// <para>
		/// Initialize the attribute with the name for the assembly's repository.
		/// </para>
		/// </remarks>
		public RepositoryAttribute(string name)
		{
			m_name = name;
		}

		#endregion Public Instance Constructors

		#region Public Instance Properties

		/// <summary>
		/// Gets or sets the name of the logging repository.
		/// </summary>
		/// <value>
		/// The string name to use as the name of the repository associated with this
		/// assembly.
		/// </value>
		/// <remarks>
		/// <para>
		/// This value does not have to be unique. Several assemblies can share the
		/// same repository. They will share the logging configuration of the repository.
		/// </para>
		/// </remarks>
		public string Name
		{
			get { return m_name; }
			set { m_name = value ; }
		}

		/// <summary>
		/// Gets or sets the type of repository to create for this assembly.
		/// </summary>
		/// <value>
		/// The type of repository to create for this assembly.
		/// </value>
		/// <remarks>
		/// <para>
		/// The type of the repository to create for the assembly.
		/// The type must implement the <see cref="log4net.Repository.ILoggerRepository"/>
		/// interface.
		/// </para>
		/// <para>
		/// This will be the type of repository created when 
		/// the repository is created. If multiple assemblies reference the
		/// same repository then the repository is only created once using the
		/// <see cref="RepositoryType" /> of the first assembly to call into the 
		/// repository.
		/// </para>
		/// </remarks>
		public Type RepositoryType
		{
			get { return m_repositoryType; }
			set { m_repositoryType = value ; }
		}

		#endregion Public Instance Properties

		#region Private Instance Fields

		private string m_name = null;
		private Type m_repositoryType = null;

		#endregion Private Instance Fields
	}
}

#endif // !NETCF