| /* |
| |
| Derby - Class org.apache.derby.iapi.services.monitor.DerbyObserver |
| |
| 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.derby.iapi.services.monitor; |
| |
| /** |
| * <p> |
| * Created to provide the Observable behavior which Derby has depended |
| * on since Java 1.2 but which as deprecated in JDK 9 build 118. A DerbyObserver |
| * is an object which registers it interest in being notified when events occur. |
| * </p> |
| */ |
| public interface DerbyObserver |
| { |
| /** |
| * This is the callback method which is invoked when a change happens |
| * to the object which is being observed. |
| * |
| * @param observable The object which is being observed |
| * @param extraInfo Extra information being passed to the callback |
| */ |
| public void update(DerbyObservable observable, Object extraInfo); |
| } |