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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  
18  
19  
20  package org.apache.log4j.spi;
21  
22  
23  /**
24  
25     The <code>LogManager</code> uses one (and only one)
26     <code>RepositorySelector</code> implementation to select the
27     {@link LoggerRepository} for a particular application context.
28  
29     <p>It is the responsability of the <code>RepositorySelector</code>
30     implementation to track the application context. Log4j makes no
31     assumptions about the application context or on its management.
32  
33     <p>See also {@link org.apache.log4j.LogManager LogManager}.
34  
35     @author Ceki G&uuml;lc&uuml;
36     @since 1.2
37  
38   */
39  public interface RepositorySelector {
40  
41    /**
42       Returns a {@link LoggerRepository} depending on the
43       context. Implementors must make sure that a valid (non-null)
44       LoggerRepository is returned.
45    */
46    public
47    LoggerRepository getLoggerRepository();
48  }
49