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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  }