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19 package org.apache.cayenne;
20
21 import org.apache.cayenne.reflect.LifecycleCallbackRegistry;
22
23 /**
24  * A callback interface to listen to persistent object lifecycle events. Note that
25  * listeners ARE NOT REQUIRED to implement this interface, and in fact most won't. It
26  * exists for type safety and for simplifying listener registration. See
27  * {@link LifecycleCallbackRegistry} for details on how to register callbacks.
28  *
29  * @since 3.0
30  * @author Andrus Adamchik
31  */

32 public interface LifecycleListener {
33
34     public static final int PRE_PERSIST = 0;
35     public static final int PRE_REMOVE = 1;
36     public static final int PRE_UPDATE = 2;
37     public static final int POST_PERSIST = 3;
38     public static final int POST_REMOVE = 4;
39     public static final int POST_UPDATE = 5;
40     public static final int POST_LOAD = 6;
41
42     void prePersist(Object JavaDoc entity);
43
44     void postPersist(Object JavaDoc entity);
45
46     void preRemove(Object JavaDoc entity);
47
48     void postRemove(Object JavaDoc entity);
49
50     void preUpdate(Object JavaDoc entity);
51
52     void postUpdate(Object JavaDoc entity);
53
54     void postLoad(Object JavaDoc entity);
55 }
56
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