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


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  * PersistentClean.java March 10, 2000 Steffi Rauschenbach
26  */
27
28 package com.sun.jdo.spi.persistence.support.sqlstore.state;
29
30 import com.sun.jdo.spi.persistence.utility.I18NHelper;
31 import com.sun.jdo.spi.persistence.support.sqlstore.ActionDesc;
32
33 import java.util.ResourceBundle JavaDoc;
34
35 public class PersistentClean extends LifeCycleState {
36     /**
37      * I18N message handler
38      */
39     private final static ResourceBundle JavaDoc messages = I18NHelper.loadBundle(
40             "com.sun.jdo.spi.persistence.support.sqlstore.Bundle", // NOI18N
41 PersistentClean.class.getClassLoader());
42
43     public PersistentClean() {
44         // these flags are set only in the constructor
45 // and shouldn't be changed afterwards
46 // (cannot make them final since they are declared in superclass
47 // but their values are specific to subclasses)
48 isPersistent = true;
49         isPersistentInDataStore = true;
50         isTransactional = true;
51         isDirty = false;
52         isNew = false;
53         isDeleted = false;
54         isNavigable = true;
55         isRefreshable = true;
56         isBeforeImageUpdatable = false;
57         needsRegister = true;
58         needsReload = false;
59         needsRestoreOnRollback = false;
60         updateAction = ActionDesc.LOG_NOOP;
61
62         stateType = P_CLEAN;
63     }
64
65     /**
66      * Operations that cause life cycle state transitions
67      */
68     public LifeCycleState transitionDeletePersistent() {
69         return changeState(P_DELETED);
70     }
71
72
73     public LifeCycleState transitionCommit(boolean retainValues) {
74         if (retainValues) {
75             return changeState(P_NON_TX);
76         } else {
77             return changeState(HOLLOW);
78         }
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 transitionWriteField(boolean transactionActive) {
90         assertTransaction(transactionActive);
91         return changeState(P_DIRTY);
92     }
93 }
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