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.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 }