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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   * 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  }