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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 * attach events.
29 * @version 2.0
30 * @since 2.0
31 */
32 public interface AttachLifecycleListener
33 extends InstanceLifecycleListener {
34
35 /***
36 * This method is called before a detached instance is attached, via the
37 * {@link PersistenceManager#makePersistent} method. The source instance
38 * is the detached instance. This method is called before the
39 * corresponding {@link AttachCallback#jdoPreAttach} on the detached
40 * instance.
41 * @param event the attach event.
42 * @since 2.0
43 */
44 void preAttach (InstanceLifecycleEvent event);
45
46 /***
47 * This method is called after a detached instance is attached, via the
48 * {@link PersistenceManager#makePersistent} method. The source
49 * instance is the corresponding persistent instance in the cache; the
50 * target instance is the detached instance. This method is called after
51 * the corresponding {@link AttachCallback#jdoPostAttach} on the
52 * persistent instance.
53 * @param event the attach event.
54 * @since 2.0
55 */
56 void postAttach (InstanceLifecycleEvent event);
57 }