001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018 019 020package org.apache.log4j.spi; 021 022 023/** 024 025 The <code>LogManager</code> uses one (and only one) 026 <code>RepositorySelector</code> implementation to select the 027 {@link LoggerRepository} for a particular application context. 028 029 <p>It is the responsability of the <code>RepositorySelector</code> 030 implementation to track the application context. Log4j makes no 031 assumptions about the application context or on its management. 032 033 <p>See also {@link org.apache.log4j.LogManager LogManager}. 034 035 @author Ceki Gülcü 036 @since 1.2 037 038 */ 039public interface RepositorySelector { 040 041 /** 042 Returns a {@link LoggerRepository} depending on the 043 context. Implementors must make sure that a valid (non-null) 044 LoggerRepository is returned. 045 */ 046 public 047 LoggerRepository getLoggerRepository(); 048} 049