| /* 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 java.util.prefs; |
| |
| import java.util.EventListener; |
| |
| /** |
| * This interface is used to handle preference node change events. The |
| * implementation of this interface can be installed by the {@code Preferences} |
| * instance. |
| * |
| * @see Preferences |
| * @see NodeChangeEvent |
| * |
| * @since 1.4 |
| */ |
| public interface NodeChangeListener extends EventListener { |
| /** |
| * This method gets called whenever a child node is added to another node. |
| * |
| * @param e |
| * the node change event. |
| */ |
| public void childAdded (NodeChangeEvent e); |
| |
| /** |
| * This method gets called whenever a child node is removed from another |
| * node. |
| * |
| * @param e |
| * the node change event. |
| */ |
| public void childRemoved (NodeChangeEvent e); |
| } |