    001    /*
    002     * Licensed to the Apache Software Foundation (ASF) under one or more
    003     * contributor license agreements. See the NOTICE file distributed with
    004     * this work for additional information regarding copyright ownership.
    005     * The ASF licenses this file to You under the Apache license, Version 2.0
    006     * (the "License"); you may not use this file except in compliance with
    007     * the License. You may obtain a copy of the License at
    008     *
    009     *      http://www.apache.org/licenses/LICENSE-2.0
    010     *
    011     * Unless required by applicable law or agreed to in writing, software
    012     * distributed under the License is distributed on an "AS IS" BASIS,
    013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    014     * See the license for the specific language governing permissions and
    015     * limitations under the license.
    016     */
    017    package org.apache.log4j.spi;
    018
    019    /**
    020
    021     The <code>LogManager</code> uses one (and only one)
    022     <code>RepositorySelector</code> implementation to select the
    023     {@link org.apache.log4j.spi.LoggerRepository} for a particular application context.
    024
    025     <p>It is the responsibility of the <code>RepositorySelector</code>
    026     implementation to track the application context. Log4j makes no
    027     assumptions about the application context or on its management.
    028
    029     <p>See also {@link org.apache.log4j.LogManager LogManager}.
    030
    031     @since 1.2
    032
    033     */
    034    public interface RepositorySelector {
    035
    036        /**
    037         * Returns a {@link org.apache.log4j.spi.LoggerRepository} depending on the
    038         * context. Implementers must make sure that a valid (non-null)
    039         * LoggerRepository is returned.
    040         * @return a LoggerRepository.
    041         */
    042        LoggerRepository getLoggerRepository();
    043    }