Java > Open Source Codes > com > sun > jdo > spi > persistence > support > sqlstore > SCO


1   /*
2    * The contents of this file are subject to the terms 
3    * of the Common Development and Distribution License 
4    * (the License).  You may not use this file except in
5    * compliance with the License.
6    * 
7    * You can obtain a copy of the license at 
8    * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9    * glassfish/bootstrap/legal/CDDLv1.0.txt.
10   * See the License for the specific language governing 
11   * permissions and limitations under the License.
12   * 
13   * When distributing Covered Code, include this CDDL 
14   * Header Notice in each file and include the License file 
15   * at glassfish/bootstrap/legal/CDDLv1.0.txt.  
16   * If applicable, add the following below the CDDL Header, 
17   * with the fields enclosed by brackets [] replaced by
18   * you own identifying information: 
19   * "Portions Copyrighted [year] [name of copyright owner]"
20   * 
21   * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22   */
23  
24  /*
25   * SCO.java
26   *
27   * created May 9, 2000
28   *
29   * @author Marina Vatkina
30   * @version 1.0
31   */
32  
33  package com.sun.jdo.spi.persistence.support.sqlstore;
34  
35  public interface SCO
36  {
37      /**
38           * Returns the field name
39       * 
40           * @return field name as java.lang.String
41           */
42      String   getFieldName();
43  
44      /**
45           * Returns the owner object of the SCO instance
46       * 
47           * @return owner object
48           */
49      Object   getOwner();
50  
51      /**
52           * Nullifies references to the owner Object and Field
53           */
54          void unsetOwner();
55  
56      /**
57           * Apply changes (can be a no-op)
58       */
59      void applyUpdates(StateManager sm, boolean modified);
60  
61      /**
62           * Marks object dirty
63       *
64       * @return StateManager associated with the owner
65       */
66      StateManager makeDirty();
67  
68          /**
69           * Creates clone with the same owner and field value.
70           * Used for the beforeImage.
71           */
72          Object   cloneInternal();
73  }
74
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