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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   The <code>LogManager</code> uses one (and only one)
22   <code>RepositorySelector</code> implementation to select the
23   {@link org.apache.log4j.spi.LoggerRepository} for a particular application context.
24  
25   <p>It is the responsibility of the <code>RepositorySelector</code>
26   implementation to track the application context. Log4j makes no
27   assumptions about the application context or on its management.
28  
29   <p>See also {@link org.apache.log4j.LogManager LogManager}.
30  
31   @since 1.2
32  
33   */
34  public interface RepositorySelector {
35  
36      /**
37       * Returns a {@link org.apache.log4j.spi.LoggerRepository} depending on the
38       * context. Implementers must make sure that a valid (non-null)
39       * LoggerRepository is returned.
40       * @return a LoggerRepository.
41       */
42      LoggerRepository getLoggerRepository();
43  }