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 package org.apache.log4j.spi; 18 19 20 /** 21 * A common interface shared by log4j components. 22 * 23 * @author Ceki Gulcu 24 */ 25 public interface Component { 26 27 28 /** 29 * Set owning logger repository for this component. This operation can 30 * only be performed once. 31 * Once set, a subsequent attempt will throw an IllegalStateException. 32 * 33 * @param repository The repository where this appender is attached. 34 */ 35 void setLoggerRepository(LoggerRepository repository); 36 37 }