1   /**
2    * Logback: the reliable, generic, fast and flexible logging framework.
3    * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
4    *
5    * This program and the accompanying materials are dual-licensed under
6    * either the terms of the Eclipse Public License v1.0 as published by
7    * the Eclipse Foundation
8    *
9    *   or (per the licensee's choosing)
10   *
11   * under the terms of the GNU Lesser General Public License version 2.1
12   * as published by the Free Software Foundation.
13   */
14  package ch.qos.logback.classic.spi;
15  
16  import ch.qos.logback.classic.Level;
17  import ch.qos.logback.classic.Logger;
18  import ch.qos.logback.classic.LoggerContext;
19  
20  public interface LoggerContextListener {
21  
22      /**
23       * Some listeners should not be removed when the LoggerContext is reset. Such
24       * listeners are said to be reset resistant.
25       * 
26       * @return whether this listener is reset resistant or not.
27       */
28      boolean isResetResistant();
29  
30      void onStart(LoggerContext context);
31  
32      void onReset(LoggerContext context);
33  
34      void onStop(LoggerContext context);
35  
36      void onLevelChange(Logger logger, Level level);
37  
38  }