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Java > Open Source Codes > javax > jdo > listener > DetachCallback


1 /*
2  * Copyright 2005 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  * DetachCallback.java
19  *
20  */
21  
22 package javax.jdo.listener;
23
24 import javax.jdo.PersistenceManager;
25
26 /**
27  * This interface is used to notify instances of detach events.
28  * @version 2.0
29  * @since 2.0
30  */
31 public interface DetachCallback {
32     
33     /**
34      * This method is called during the execution of
35      * {@link PersistenceManager#detachCopy} on the
36      * persistent instance before the copy is made.
37      * @since 2.0
38      */
39     public void jdoPreDetach();
40
41     /**
42      * This method is called during the execution of
43      * {@link PersistenceManager#detachCopy} on the
44      * detached instance after the copy is made.
45      * @param detached The corresponding (attached) persistent instance.
46      * @since 2.0
47      */
48     public void jdoPostDetach(Object JavaDoc detached);
49 }
50
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