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Java > Open Source Codes > org > apache > log4j > spi > HierarchyEventListener


1 /*
2  * Copyright 1999-2005 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 package org.apache.log4j.spi;
18
19 import org.apache.log4j.*;
20
21 /**
22    Listen to events occuring within a {@link
23    org.apache.log4j.Hierarchy Hierarchy}.
24
25    @author Ceki Gülcü
26    @since 1.2
27    
28  */
29 public interface HierarchyEventListener {
30
31  
32   //public
33 //void categoryCreationEvent(Category cat);
34
35
36   public
37   void addAppenderEvent(Category cat, Appender appender);
38
39   public
40   void removeAppenderEvent(Category cat, Appender appender);
41
42
43 }
44
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