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Java > Open Source Codes > com > triactive > jdo > state > PersistentNewDeleted


1 /*
2  * Copyright 2004 (C) TJDO.
3  * All rights reserved.
4  *
5  * This software is distributed under the terms of the TJDO License version 1.0.
6  * See the terms of the TJDO License in the documentation provided with this software.
7  *
8  * $Id: PersistentNewDeleted.java,v 1.6 2004/01/18 03:01:06 jackknifebarber Exp $
9  */
10
11 package com.triactive.jdo.state;
12
13 import javax.jdo.JDOUserException;
14 import javax.jdo.Transaction;
15
16
17 class PersistentNewDeleted extends LifeCycleState
18 {
19     protected PersistentNewDeleted()
20     {
21         isPersistent = true;
22         isTransactional = true;
23         isDirty = true;
24         isNew = true;
25         isDeleted = true;
26
27         stateType = P_NEW_DELETED;
28     }
29
30     public LifeCycleState transitionMakeNontransactional(StateManagerImpl sm)
31     {
32         throw new JDOUserException("Cannot make object non-transactional: object is new, deleted and not yet committed", sm.getObject());
33     }
34
35     public LifeCycleState transitionMakeTransient(StateManagerImpl sm)
36     {
37         throw new JDOUserException("Cannot make object transient: object is new, deleted, and not yet committed", sm.getObject());
38     }
39
40     public LifeCycleState transitionCommit(StateManagerImpl sm, Transaction tx)
41     {
42         sm.clearPersistentFields();
43         sm.evictFromTransaction();
44         sm.disconnect();
45         return changeState(sm, TRANSIENT);
46     }
47
48     public LifeCycleState transitionRollback(StateManagerImpl sm, Transaction tx)
49     {
50         if (tx.getRestoreValues())
51             sm.restoreFields();
52
53         sm.evictFromTransaction();
54         sm.disconnect();
55         return changeState(sm, TRANSIENT);
56     }
57
58     public LifeCycleState transitionReadField(StateManagerImpl sm, Transaction tx)
59     {
60         throw new JDOUserException("Cannot read fields from a deleted object", sm.getObject());
61     }
62
63     public LifeCycleState transitionWriteField(StateManagerImpl sm, Transaction tx)
64     {
65         throw new JDOUserException("Cannot write fields to a deleted object", sm.getObject());
66     }
67
68     public String JavaDoc toString()
69     {
70         return "P_NEW_DELETED";
71     }
72 }
73
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