1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache license, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the license for the specific language governing permissions and 15 * limitations under the license. 16 */ 17 18 package org.apache.logging.log4j.core; 19 20 /** 21 * 22 */ 23 public interface LifeCycle { 24 25 /** 26 * Status of a life cycle like a {@link LoggerContext}.. 27 */ 28 public enum State { 29 /** Initialized but not yet started. */ 30 INITIALIZED, 31 /** In the process of starting. */ 32 STARTING, 33 /** Has started. */ 34 STARTED, 35 /** Stopping is in progress. */ 36 STOPPING, 37 /** Has stopped. */ 38 STOPPED 39 } 40 41 void start(); 42 43 void stop(); 44 45 boolean isStarted(); 46 47 boolean isStopped(); 48 }