KickJava   Java API By Example, From Geeks To Geeks.

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


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  * ConcurrencyDBExplicit.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.sql.RetrieveDescImpl;
34 import com.sun.jdo.spi.persistence.support.sqlstore.sql.generator.SelectQueryPlan;
35
36 /**
37  */
38 public class ConcurrencyDBExplicit extends ConcurrencyDBNative {
39
40     public void select(SelectQueryPlan plan) {
41         // Save the info that update lock is required in the queryplan.
42 // This info would be used by SQLStoreManger::retrieve()
43 // to process distinct manually if required.
44 plan.options = plan.options | RetrieveDescImpl.OPT_FOR_UPDATE;
45     }
46
47 }
48
Popular Tags