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1
10
11 package com.triactive.jdo.state;
12
13 import javax.jdo.JDOUserException;
14 import javax.jdo.Transaction;
15
16
17 class PersistentDeleted extends LifeCycleState
18 {
19 protected PersistentDeleted()
20 {
21 isPersistent = true;
22 isTransactional = true;
23 isDirty = true;
24 isNew = false;
25 isDeleted = true;
26
27 stateType = P_DELETED;
28 }
29
30 public LifeCycleState transitionMakeNontransactional(StateManagerImpl sm)
31 {
32 throw new JDOUserException("Cannot make object non-transactional: object has been deleted", sm.getObject());
33 }
34
35 public LifeCycleState transitionMakeTransient(StateManagerImpl sm)
36 {
37 throw new JDOUserException("Cannot make object transient: object has been deleted", 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 {
52 sm.restoreFields();
53 sm.replaceSCOFields();
54 sm.evictFromTransaction();
55 return changeState(sm, P_NONTRANS);
56 }
57 else
58 {
59 sm.clearPersistentFields();
60 sm.discardSavedFields();
61 sm.evictFromTransaction();
62 return changeState(sm, HOLLOW);
63 }
64
65 }
66
67 public LifeCycleState transitionReadField(StateManagerImpl sm, Transaction tx)
68 {
69 throw new JDOUserException("Cannot read fields from a deleted object", sm.getObject());
70 }
71
72 public LifeCycleState transitionWriteField(StateManagerImpl sm, Transaction tx)
73 {
74 throw new JDOUserException("Cannot write fields to a deleted object", sm.getObject());
75 }
76
77 public String  toString()
78 {
79 return "P_DELETED";
80 }
81 }
82 |
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