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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  }