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Java > Open Source Codes > org > polepos > teams > prevayler > sepang > SepangPrevaylerDriver


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.prevayler.sepang;
21
22 import org.polepos.circuits.sepang.*;
23 import org.polepos.teams.prevayler.*;
24
25 /**
26  * @author Herkules
27  */
28 public class SepangPrevaylerDriver extends PrevaylerDriver implements SepangDriver{
29     
30     private final SepangSystem _sepangSystem = (SepangSystem)_prevayler.prevalentSystem();
31
32     public void write() {
33         _prevayler.execute(new TreeCreationTransaction(setup().getTreeDepth()));
34     }
35
36     public void read(){
37         Tree.traverse(_sepangSystem.tree(), new TreeVisitor() {
38             public void visit(Tree tree) {
39                 addToCheckSum(tree.getDepth());
40             }
41         });
42     }
43
44     public void read_hot() {
45         read();
46     }
47
48     public void delete() {
49         _prevayler.execute(new TreeDeletionTransaction());
50     }
51
52     protected Object JavaDoc prevalentSystem() {
53         return new SepangSystem();
54     }
55     
56 }
57
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