KickJava   Java API By Example, From Geeks To Geeks.

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


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  * DeleteCallback.java
19  *
20  */
21  
22 package javax.jdo.listener;
23
24
25 /**
26  * This interface is used to notify instances of delete events.
27  * @version 2.0
28  * @since 2.0
29  */
30 public interface DeleteCallback
31 {
32     /**
33      * Called before the instance is deleted.
34      * This method is called before the state transition to persistent-deleted
35      * or persistent-new-deleted. Access to field values within this call
36      * are valid. Access to field values after this call are disallowed.
37      * <P>This method is modified by the enhancer so that fields referenced
38      * can be used in the business logic of the method.
39      */
40     void jdoPreDelete();
41 }
42
Popular Tags