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Java > Open Source Codes > org > polepos > teams > hibernate > BarcelonaHibernate


1 /*
2 This file is part of the PolePosition database benchmark
3 http://www.polepos.org
4
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License
7 as published by the Free Software Foundation; either version 2
8 of the License, or (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public
16 License along with this program; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
18 MA 02111-1307, USA. */
19
20 package org.polepos.teams.hibernate;
21
22 import java.util.*;
23
24 import org.polepos.circuits.barcelona.*;
25 import org.polepos.teams.hibernate.data.*;
26
27 import net.sf.hibernate.*;
28
29
30
31
32 public class BarcelonaHibernate extends HibernateDriver implements BarcelonaDriver{
33     
34     private final String JavaDoc FROM = "from org.polepos.teams.hibernate.data.HB4";
35
36     public void write(){
37         try{
38             Transaction tx = db().beginTransaction();
39             
40             int count = setup().getObjectCount();
41             for (int i = 1; i<= count; i++) {
42                 HB4 b4 = new HB4();
43                 b4.setAll(i);
44                 db().save(b4);
45             }
46             
47             tx.commit();
48         }
49         catch ( HibernateException hex ){
50             hex.printStackTrace();
51         }
52     }
53     
54     public void read(){
55         doQuery(FROM);
56     }
57     
58     public void query(){
59         int count = setup().getSelectCount();
60         for (int i = 1; i <= count; i++) {
61             doQuery(FROM + " where b2=" + i);
62         }
63     }
64     
65     public void delete(){
66         try{
67             Transaction tx = db().beginTransaction();
68             Iterator it = db().iterate(FROM);
69             while(it.hasNext()){
70                 db().delete(it.next());
71                 addToCheckSum(5);
72             }
73             tx.commit();
74         }
75         catch ( HibernateException hex ){
76             hex.printStackTrace();
77         }
78     }
79
80 }
81
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