1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 /*
19 * DetachCallback.java
20 *
21 */
22
23 package javax.jdo.listener;
24
25 /**
26 * This interface is used to notify instances of detach events.
27 * @version 2.0
28 * @since 2.0
29 */
30 public interface DetachCallback {
31
32 /**
33 * This method is called during the execution of
34 * {@link javax.jdo.PersistenceManager#detachCopy} on the
35 * persistent instance before the copy is made.
36 * @since 2.0
37 */
38 public void jdoPreDetach();
39
40 /**
41 * This method is called during the execution of
42 * {@link javax.jdo.PersistenceManager#detachCopy} on the
43 * detached instance after the copy is made.
44 * @param detached The corresponding (attached) persistent instance.
45 * @since 2.0
46 */
47 public void jdoPostDetach(Object detached);
48 }