1 /** 2 * Copyright 2010 The Kuali Foundation Licensed under the 3 * Educational Community License, Version 2.0 (the "License"); you may 4 * not use this file except in compliance with the License. You may 5 * obtain a copy of the License at 6 * 7 * http://www.osedu.org/licenses/ECL-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, 10 * software distributed under the License is distributed on an "AS IS" 11 * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 12 * or implied. See the License for the specific language governing 13 * permissions and limitations under the License. 14 */ 15 16 package org.kuali.student.r1.common.assembly.data; 17 18 19 public interface HasChangeCallbacks { 20 public enum ChangeType { 21 ADD, REMOVE, UPDATE; 22 } 23 public static interface ChangeCallback { 24 void onChange(ChangeType type, QueryPath path); 25 } 26 public static interface ChangeCallbackRegistration { 27 void remove(); 28 } 29 ChangeCallbackRegistration addChangeCallback(ChangeCallback callback); 30 }