blob: f0be4eb72b65a4f9b49b0d392392734d88fede3a (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
/*
* Copyright (c) 2004 - 2012 Eike Stepper (Berlin, Germany) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Stefan Winkler - initial API and implementation
*/
package org.eclipse.emf.cdo.tests.performance;
import org.eclipse.emf.cdo.eresource.CDOResource;
import org.eclipse.emf.cdo.session.CDOSession;
import org.eclipse.emf.cdo.tests.model1.Category;
import org.eclipse.emf.cdo.tests.model1.Company;
import org.eclipse.emf.cdo.tests.performance.framework.PerformanceTest;
import org.eclipse.emf.cdo.transaction.CDOTransaction;
import org.eclipse.emf.cdo.util.CDOUtil;
import org.eclipse.emf.cdo.util.CommitException;
import java.util.Random;
/**
* @author Stefan Winkler
*/
public class DeletePerformanceTest extends PerformanceTest
{
private static final int AMOUNT_ELEMENTS = 10000;
private Random random = new Random();
private Company initModel() throws CommitException
{
msg("Initializing model ...");
CDOSession session = openSession();
CDOTransaction transaction = session.openTransaction();
CDOResource resource = transaction.createResource(getResourcePath("res"));
Company company = getModel1Factory().createCompany();
for (int i = 0; i < AMOUNT_ELEMENTS; i++)
{
Category cat = getModel1Factory().createCategory();
cat.setName(Integer.toString(i));
company.getCategories().add(cat);
}
resource.getContents().add(company);
msg("Committing model ...");
transaction.commit();
msg("Done.");
return company;
}
@CleanRepositoriesBefore
public void _testDeleteRandom() throws Exception
{
Company company = initModel();
CDOTransaction transaction = (CDOTransaction)CDOUtil.getCDOObject(company).cdoView();
msg("Starting to remove elements ...");
for (int i = 0; i < AMOUNT_ELEMENTS / 4; i++)
{
int currentSize = AMOUNT_ELEMENTS - i;
int indexToRemove = random.nextInt(currentSize - 1);
company.getCategories().remove(indexToRemove);
startProbing();
transaction.commit();
stopProbing();
}
}
@CleanRepositoriesBefore
public void testDeleteEveryOther() throws Exception
{
Company company = initModel();
CDOTransaction transaction = (CDOTransaction)CDOUtil.getCDOObject(company).cdoView();
msg("Starting to remove elements ...");
for (int i = 0; i < AMOUNT_ELEMENTS / 4; i++)
{
int indexToRemove = AMOUNT_ELEMENTS / 2 - i;
company.getCategories().remove(indexToRemove);
startProbing();
transaction.commit();
stopProbing();
}
}
@CleanRepositoriesBefore
public void _testDeleteAtBeginning() throws Exception
{
Company company = initModel();
CDOTransaction transaction = (CDOTransaction)CDOUtil.getCDOObject(company).cdoView();
msg("Starting to remove elements ...");
for (int i = 0; i < AMOUNT_ELEMENTS / 4; i++)
{
int indexToRemove = 0;
company.getCategories().remove(indexToRemove);
startProbing();
transaction.commit();
stopProbing();
}
}
}
|