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.ui.client.mvc;
17
18
19 /**
20 * Passed in as an argument to Controller.requestModel Because a model may need to be initialized via an asynchronous call,
21 * the request uses a callback to pass the result back to the caller
22 *
23 * @author Kuali Student Team
24 * @param <T>
25 * the type of model being requested
26 */
27 public interface ModelRequestCallback<T extends Model> {
28 /**
29 * Called when the model is available
30 *
31 * @param model
32 * the model that was requested
33 */
34 public void onModelReady(T model);
35
36 /**
37 * Called when the controller was unable to provide the model
38 *
39 * @param cause
40 * the exception that prevented the model from being provided, or null if the model was simply not located
41 */
42 public void onRequestFail(Throwable cause);
43 }