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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   * DetachCallback.java
19   *
20   */
21   
22  package javax.jdo.listener;
23  
24  /***
25   * This interface is used to notify instances of detach events.
26   * @version 2.0
27   * @since 2.0
28   */
29  public interface DetachCallback {
30      
31      /***
32       * This method is called during the execution of
33       * {@link javax.jdo.PersistenceManager#detachCopy} on the
34       * persistent instance before the copy is made.
35       * @since 2.0
36       */
37      public void jdoPreDetach();
38  
39      /***
40       * This method is called during the execution of
41       * {@link javax.jdo.PersistenceManager#detachCopy} on the
42       * detached instance after the copy is made.
43       * @param detached The corresponding (attached) persistent instance.
44       * @since 2.0
45       */
46      public void jdoPostDetach(Object detached);
47  }