KickJava   Java API By Example, From Geeks To Geeks.

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


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  * DeleteLifecycleListener.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  * delete events.
29  * @version 2.0
30  * @since 2.0
31  */
32 public interface DeleteLifecycleListener
33     extends InstanceLifecycleListener {
34
35     /**
36      * Invoked whenever a persistent instance is deleted, for example
37      * during {@link PersistenceManager#deletePersistent}. Access to field
38      * values within this call are permitted.
39      * <P>This method is called before the instance callback
40      * {@link DeleteCallback#jdoPreDelete}.
41      * @param event the delete event.
42      * @since 2.0
43      */
44     void preDelete (InstanceLifecycleEvent event);
45
46     /**
47      * Invoked whenever a persistent instance is deleted, for example
48      * during {@link PersistenceManager#deletePersistent}.
49      * <P>This method is called after the instance transitions
50      * to persistent-deleted. Access to field values is not permitted.
51      * @param event the delete event.
52      * @since 2.0
53      */
54     void postDelete (InstanceLifecycleEvent event);
55 }
Popular Tags