hierarchyeventlistener.java

来自「apache的log4j源码」· Java 代码 · 共 45 行

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 occuring 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);


}