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22 package javax.jdo.listener;
23
24 import javax.jdo.PersistenceManager;
25
26 /***
27 * This interface is implemented by listeners to be notified of
28 * delete events.
29 * @version 2.0
30 * @since 2.0
31 */
32 public interface DeleteLifecycleListener
33 extends InstanceLifecycleListener {
34
35 /***
36 * Invoked whenever a persistent instance is deleted, for example
37 * during {@link PersistenceManager#deletePersistent}. Access to field
38 * values within this call are permitted.
39 * <P>This method is called before the instance callback
40 * {@link DeleteCallback#jdoPreDelete}.
41 * @param event the delete event.
42 * @since 2.0
43 */
44 void preDelete (InstanceLifecycleEvent event);
45
46 /***
47 * Invoked whenever a persistent instance is deleted, for example
48 * during {@link PersistenceManager#deletePersistent}.
49 * <P>This method is called after the instance transitions
50 * to persistent-deleted. Access to field values is not permitted.
51 * @param event the delete event.
52 * @since 2.0
53 */
54 void postDelete (InstanceLifecycleEvent event);
55 }