/*
 * 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;

/**
 *
 * The <code>LogManager</code> uses one (and only one) <code>RepositorySelector</code> implementation to select the
 * {@link LoggerRepository} for a particular application context.
 *
 * <p>
 * It is the responsibility of the <code>RepositorySelector</code> implementation to track the application context.
 * Log4j makes no assumptions about the application context or on its management.
 * </p>
 *
 * <p>
 * See also {@link org.apache.log4j.LogManager LogManager}.
 *
 * @since 1.2
 */
public interface RepositorySelector {

    /**
     * Gets a {@link LoggerRepository} depending on the context. Implementers must make sure that a valid (non-null)
     * LoggerRepository is returned.
     *
     * @return a LoggerRepository.
     */
    LoggerRepository getLoggerRepository();
}
