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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    * 
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software 
12   * distributed under the License is distributed on an "AS IS" BASIS, 
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
14   * See the License for the specific language governing permissions and 
15   * limitations under the License.
16   */
17  
18  /*
19   * DeleteLifecycleListener.java
20   *
21   */
22  
23  package javax.jdo.listener;
24  
25  /**
26   * This interface is implemented by listeners to be notified of
27   * delete events.
28   * @version 2.0
29   * @since 2.0
30   */
31  public interface DeleteLifecycleListener
32      extends InstanceLifecycleListener {
33  
34      /**
35       * Invoked whenever a persistent instance is deleted, for example
36       * during {@link javax.jdo.PersistenceManager#deletePersistent}. 
37       * Access to field values within this call are permitted.  
38       * <P>This method is called before the instance callback
39       * {@link DeleteCallback#jdoPreDelete}.
40       * @param event the delete event.
41       * @since 2.0
42       */
43      void preDelete (InstanceLifecycleEvent event);
44  
45      /**
46       * Invoked whenever a persistent instance is deleted, for example
47       * during {@link javax.jdo.PersistenceManager#deletePersistent}.
48       * <P>This method is called after the instance transitions
49       * to persistent-deleted. Access to field values is not permitted.
50       * @param event the delete event.
51       * @since 2.0
52       */
53      void postDelete (InstanceLifecycleEvent event);
54  }