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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   * DirtyLifecycleListener.java
19   *
20   */
21  
22  package javax.jdo.listener;
23  
24  /***
25   * This interface is implemented by listeners to be notified of
26   * dirty events.
27   * @version 2.0
28   * @since 2.0
29   */
30  public interface DirtyLifecycleListener
31      extends InstanceLifecycleListener {
32  
33      /***
34       *	Invoked whenever a persistent instance is first made dirty,
35       *	during an operation that modifies the value of a persistent or
36       *	transactional field. Called before the value is changed.
37       * @since 2.0
38       */
39      void preDirty (InstanceLifecycleEvent event);
40  
41      /***
42       *	Invoked whenever a persistent instance is first made dirty,
43       *	during an operation that modifies the value of a persistent or
44       *	transactional field. Called after the value is changed.
45       * @since 2.0
46       */
47      void postDirty (InstanceLifecycleEvent event);
48  }