src/main/java/org/apache/log4j/spi/LoggerRepositoryEventListener.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.log4j.spi;


/**
 * Interface used to listen for LoggerRepository related
 * events such as startup, reset, and shutdown.  Clients register
 * an instance of the interface and the instance is called back
 * when the various events occur.
 * <p>
 * LoggerRepository provides methods for adding and removing
 * LoggerRepositoryEventListener instances.
 *
 * @author Ceki G&uuml;lc&uuml;
 * @author Mark Womack
 */
public interface LoggerRepositoryEventListener {
    /**
     * Called when the repository configuration is reset.
     *
     * @param repository repository
     */
    void configurationResetEvent(LoggerRepository repository);

    /**
     * Called when the repository configuration is changed.
     *
     * @param repository repository
     */
    void configurationChangedEvent(LoggerRepository repository);

    /**
     * Called when the repository is shutdown. When this method is
     * invoked, the repository is still valid (ie it has not been
     * shutdown, but will be after this method returns).
     *
     * @param repository repository.
     */
    void shutdownEvent(LoggerRepository repository);
}