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


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  * DetachLifecycleListener.java
19  *
20  */
21  
22 package javax.jdo.listener;
23
24 import javax.jdo.PersistenceManager;
25
26 /**
27  * This interface is implemented by listeners to be notified of
28  * detach events.
29  * @version 2.0
30  * @since 2.0
31  */
32 public interface DetachLifecycleListener
33     extends InstanceLifecycleListener {
34     
35     /**
36      * This method is called during the execution of
37      * {@link PersistenceManager#detachCopy} before the
38      * detached copy is made. It is called before the method
39      * {@link DetachCallback#jdoPreDetach} is called on the
40      * instance to be detached.
41      * @param event the detach event.
42      * @since 2.0
43      */
44     void preDetach (InstanceLifecycleEvent event);
45     
46     /**
47      * This method is called during the execution of
48      * {@link PersistenceManager#detachCopy} after the
49      * detached copy is made. It is called after the method
50      * {@link DetachCallback#jdoPreDetach} is called on
51      * the detached instance.
52      * @param event the detach event.
53      * @since 2.0
54      */
55     void postDetach (InstanceLifecycleEvent event);
56 }
57
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