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


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  * PersistentDeleted.java March 10, 2000 Steffi Rauschenbach
26  */
27
28 package com.sun.jdo.spi.persistence.support.sqlstore.state;
29
30 import com.sun.jdo.api.persistence.support.JDOUserException;
31 import com.sun.jdo.spi.persistence.utility.I18NHelper;
32 import com.sun.jdo.spi.persistence.support.sqlstore.ActionDesc;
33
34 import java.util.ResourceBundle JavaDoc;
35
36 public class PersistentDeleted extends LifeCycleState {
37     /**
38      * I18N message handler
39      */
40     private final static ResourceBundle JavaDoc messages = I18NHelper.loadBundle(
41             "com.sun.jdo.spi.persistence.support.sqlstore.Bundle", // NOI18N
42 PersistentDeleted.class.getClassLoader());
43
44     public PersistentDeleted() {
45         // these flags are set only in the constructor
46 // and shouldn't be changed afterwards
47 // (cannot make them final since they are declared in superclass
48 // but their values are specific to subclasses)
49 isPersistent = true;
50         isPersistentInDataStore = true;
51         isTransactional = true;
52         isDirty = true;
53         isNew = false;
54         isDeleted = true;
55         isNavigable = false;
56         isRefreshable = true;
57         isBeforeImageUpdatable = false;
58         needsRegister = true;
59         needsReload = false;
60         needsRestoreOnRollback = false;
61         updateAction = ActionDesc.LOG_DESTROY;
62
63         // The following flag does not allow merge
64 needMerge = false;
65
66         stateType = P_DELETED;
67     }
68
69     public LifeCycleState transitionCommit(boolean retainValues) {
70         return changeState(TRANSIENT);
71     }
72
73     public LifeCycleState transitionFlushed() {
74         return changeState(P_DELETED_FLUSHED);
75     }
76
77     public LifeCycleState transitionRefreshPersistent() {
78         return changeState(P_CLEAN);
79     }
80
81     public LifeCycleState transitionRollback(boolean retainValues) {
82         if (retainValues) {
83             return changeState(P_NON_TX);
84         } else {
85             return changeState(HOLLOW);
86         }
87     }
88
89     public LifeCycleState transitionReadField(boolean optimisitic, boolean nontransactionalRead,
90                                               boolean transactionActive) {
91         // Cannot read a deleted object
92 throw new JDOUserException(I18NHelper.getMessage(messages,
93                 "jdo.lifecycle.deleted.accessField")); // NOI18N
94 }
95
96     public LifeCycleState transitionWriteField(boolean transactionActive) {
97         // Cannot update a deleted object
98 throw new JDOUserException(I18NHelper.getMessage(messages,
99                 "jdo.lifecycle.deleted.accessField")); // NOI18N
100 }
101
102     public LifeCycleState transitionRefresh() {
103         return changeState(P_CLEAN);
104     }
105 }
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