001/** 002 * Logback: the reliable, generic, fast and flexible logging framework. 003 * Copyright (C) 1999-2015, QOS.ch. All rights reserved. 004 * 005 * This program and the accompanying materials are dual-licensed under 006 * either the terms of the Eclipse Public License v1.0 as published by 007 * the Eclipse Foundation 008 * 009 * or (per the licensee's choosing) 010 * 011 * under the terms of the GNU Lesser General Public License version 2.1 012 * as published by the Free Software Foundation. 013 */ 014package ch.qos.logback.classic.spi; 015 016import ch.qos.logback.classic.Level; 017import ch.qos.logback.classic.Logger; 018import ch.qos.logback.classic.LoggerContext; 019 020public interface LoggerContextListener { 021 022 /** 023 * Some listeners should not be removed when the LoggerContext is reset. Such 024 * listeners are said to be reset resistant. 025 * 026 * @return whether this listener is reset resistant or not. 027 */ 028 boolean isResetResistant(); 029 030 void onStart(LoggerContext context); 031 032 void onReset(LoggerContext context); 033 034 void onStop(LoggerContext context); 035 036 void onLevelChange(Logger logger, Level level); 037}