StateChangedService.java |
1 /* 2 * Copyright 2000-2001,2004 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 /* 18 19 */ 20 21 package org.apache.wsrp4j.util; 22 23 /** 24 * 25 * @author <a href="mailto:Ralf.Altrichter@de.ibm.com">Ralf Altrichter</a> 26 * 27 * @version 1.0 28 */ 29 public interface StateChangedService { 30 31 /** 32 * Adds a new StateChangedListener to the internal list. All registered 33 * Listeners will receive a notification, if the stateChanged() method 34 * is called. 35 * 36 * @param changeListener StateChangedListener 37 */ 38 public abstract void addListener(StateChangedListener changeListener); 39 40 /** 41 * Must be called, if stateChanged occoured 42 */ 43 public abstract void stateChanged(); 44 45 }