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1   /*
2   Wotonomy: OpenStep design patterns for pure Java applications.
3   Copyright (C) 2001 Michael Powers
4   
5   This library is free software; you can redistribute it and/or
6   modify it under the terms of the GNU Lesser General Public
7   License as published by the Free Software Foundation; either
8   version 2.1 of the License, or (at your option) any later version.
9   
10  This library is distributed in the hope that it will be useful,
11  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  Lesser General Public License for more details.
14  
15  You should have received a copy of the GNU Lesser General Public
16  License along with this library; if not, see http://www.gnu.org
17  */
18  
19  package net.wotonomy.control;
20  
21  /***
22  * EOValidation provides methods for validating a operation
23  * on an object as a whole, rather than on an individual property.
24  *
25  * @author michael@mpowers.net
26  * @author $Author: cgruber $
27  * @version $Revision: 893 $
28  */
29  public interface EOValidation 
30  {
31      /***
32      * Validates this object for delete.
33      * Throws an exception if this object cannot be deleted.
34      */
35      void validateForDelete();
36      
37      /***
38      * Validates this object for insertion into the external store.
39      * Throws an exception if this object cannot be inserted.
40      * Validations here should be specific to insertion.
41      * Implementations may call validateForSave(). 
42      */
43      void validateForInsert();
44      
45      /***
46      * Validates this object for a commit to the external store.
47      * Throws an exception if this object cannot be committed.
48      * Validations here are not specific to either inserts or updates.
49      */
50      void validateForSave();
51      
52      /***
53      * Validates this object for update to the external store.
54      * Throws an exception if this object cannot be updated.
55      * Validations here should be specific to updates.
56      * Implementations may call validateForSave(). 
57      */
58      void validateForUpdate();
59  }
60  
61  /*
62   * $Log$
63   * Revision 1.1  2006/02/16 13:19:57  cgruber
64   * Check in all sources in eclipse-friendly maven-enabled packages.
65   *
66   * Revision 1.1  2001/11/13 04:13:59  mpowers
67   * Added interfaces needed to begin work on EOCustomObject.
68   *
69   *
70   */
71      
72