#region Apache License
//
// Licensed to the Apache Software Foundation (ASF) under one or more 
// contributor license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright ownership. 
// The ASF licenses this file to you 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

using System.Diagnostics;
using log4net.Core;

namespace log4net.Util;

/// <summary>
/// An abstract base class for types that are stored in the
/// <see cref="LevelMapping"/> object.
/// </summary>
/// <author>Nicko Cadell</author>
[DebuggerDisplay("{Level}")]
public abstract class LevelMappingEntry : IOptionHandler
{
  /// <summary>
  /// Default protected constructor
  /// </summary>
  protected LevelMappingEntry()
  { }

  /// <summary>
  /// Gets or sets the level that is the key for this mapping.
  /// </summary>
  public Level? Level { get; set; }

  /// <summary>
  /// Initialize any options defined on this entry
  /// </summary>
  /// <remarks>
  /// <para>
  /// Should be overridden by any classes that need to initialize based on their options
  /// </para>
  /// </remarks>
  public virtual void ActivateOptions()
  {
    // default implementation is to do nothing
  }
}