LifecycleListener


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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   entity);
43  
44      void postPersist(Object   entity);
45  
46      void preRemove(Object   entity);
47  
48      void postRemove(Object   entity);
49  
50      void preUpdate(Object   entity);
51  
52      void postUpdate(Object   entity);
53  
54      void postLoad(Object   entity);
55  }
56
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