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Java > Open Source Codes > com > sun > jdo > spi > persistence > support > sqlstore > sql > concurrency > ConcurrencyDBNative


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  * ConcurrencyDBNative.java
26  *
27  * Created on March 3, 2000
28  *
29  */
30
31 package com.sun.jdo.spi.persistence.support.sqlstore.sql.concurrency;
32
33 import com.sun.jdo.spi.persistence.support.sqlstore.LogHelperSQLStore;
34 import com.sun.jdo.spi.persistence.support.sqlstore.SQLStateManager;
35 import com.sun.jdo.spi.persistence.support.sqlstore.Transaction;
36 import com.sun.jdo.spi.persistence.support.sqlstore.UpdateObjectDesc;
37 import com.sun.jdo.spi.persistence.support.sqlstore.model.ClassDesc;
38 import com.sun.jdo.spi.persistence.support.sqlstore.sql.generator.SelectQueryPlan;
39 import com.sun.jdo.spi.persistence.support.sqlstore.sql.generator.UpdateQueryPlan;
40 import com.sun.jdo.spi.persistence.utility.logging.Logger;
41
42 /**
43  */
44 public class ConcurrencyDBNative implements Concurrency {
45
46     SQLStateManager beforeImage;
47
48     SQLStateManager afterImage;
49
50     /** The logger */
51     protected static Logger logger = LogHelperSQLStore.getLogger();
52
53     public void commit(UpdateObjectDesc updateDesc,
54                        SQLStateManager beforeImage,
55                        SQLStateManager afterImage,
56                        int logReason) {
57     }
58
59     public void configPersistence(ClassDesc config) {
60         // RESOLVE: Need to check field properties so that we get the before
61 // images at update time.
62 }
63
64     public Transaction suspend() {
65         return null;
66     }
67
68     public void resume(Transaction t) {
69     }
70
71     public void select(SelectQueryPlan plan) {
72     }
73
74     public void update(UpdateQueryPlan plan) {
75     }
76
77     public Object JavaDoc clone() {
78         return this;
79     }
80 }
81
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