#region Apache License
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//
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// Licensed to the Apache Software Foundation (ASF) under one or more
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// contributor license agreements. See the NOTICE file distributed with
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// this work for additional information regarding copyright ownership.
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// The ASF licenses this file to you under the Apache License, Version 2.0
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// (the "License"); you may not use this file except in compliance with
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// the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#endregion
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using System;
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using System.Collections;
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using log4net.Util;
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namespace log4net
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{
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/// <summary>
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/// The log4net Global Context.
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/// </summary>
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/// <remarks>
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/// <para>
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/// The <c>GlobalContext</c> provides a location for global debugging
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/// information to be stored.
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/// </para>
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/// <para>
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/// The global context has a properties map and these properties can
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/// be included in the output of log messages. The <see cref="log4net.Layout.PatternLayout"/>
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/// supports selecting and outputing these properties.
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/// </para>
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/// <para>
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/// By default the <c>log4net:HostName</c> property is set to the name of
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/// the current machine.
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/// </para>
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/// </remarks>
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/// <example>
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/// <code lang="C#">
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/// GlobalContext.Properties["hostname"] = Environment.MachineName;
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/// </code>
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/// </example>
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/// <threadsafety static="true" instance="true" />
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/// <author>Nicko Cadell</author>
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public sealed class GlobalContext
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{
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#region Private Instance Constructors
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/// <summary>
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/// Private Constructor.
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/// </summary>
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/// <remarks>
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/// Uses a private access modifier to prevent instantiation of this class.
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/// </remarks>
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private GlobalContext()
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{
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}
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#endregion Private Instance Constructors
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static GlobalContext()
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{
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Properties[log4net.Core.LoggingEvent.HostNameProperty] = SystemInfo.HostName;
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}
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#region Public Static Properties
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/// <summary>
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/// The global properties map.
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/// </summary>
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/// <value>
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/// The global properties map.
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/// </value>
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/// <remarks>
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/// <para>
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/// The global properties map.
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/// </para>
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/// </remarks>
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public static GlobalContextProperties Properties
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{
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get { return s_properties; }
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}
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#endregion Public Static Properties
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#region Private Static Fields
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/// <summary>
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/// The global context properties instance
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/// </summary>
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private readonly static GlobalContextProperties s_properties = new GlobalContextProperties();
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#endregion Private Static Fields
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}
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}
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