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


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  * AttachCallback.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 attach events.
28  * @version 2.0
29  * @since 2.0
30  */
31 public interface AttachCallback {
32     
33     /**
34      * This method is called during the execution of
35      * {@link PersistenceManager#attachCopy} before the copy is made.
36      * @since 2.0
37      */
38     public void jdoPreAttach();
39
40     /**
41      * This method is called during the execution of
42      * {@link PersistenceManager#attachCopy} on the persistent
43      * instance after the copy is made.
44      * @param attached The corresponding (non-attached) instance that was
45      * attached in the call to {@link PersistenceManager#attachCopy}.
46      * @since 2.0
47      */
48     public void jdoPostAttach(Object JavaDoc attached);
49 }
50
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