| /* |
| * Copyright 2001-2004 The Apache Software Foundation. |
| * |
| * Licensed 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; |
| |
| import org.apache.log4j.*; |
| |
| /** |
| Listen to events occurring within a {@link |
| org.apache.log4j.Hierarchy Hierarchy}. |
| |
| @author Ceki Gülcü |
| @since 1.2 |
| |
| */ |
| public interface HierarchyEventListener { |
| |
| // public |
| // void categoryCreationEvent(Category cat); |
| |
| public void addAppenderEvent(Category cat, Appender appender); |
| |
| public void removeAppenderEvent(Category cat, Appender appender); |
| |
| } |