| /* |
| * Copyright (c) 2010-2012 Eike Stepper (Loehne, 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: |
| * Eike Stepper - initial API and implementation |
| */ |
| package org.eclipse.emf.cdo.tests; |
| |
| 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.model1.Product1; |
| import org.eclipse.emf.cdo.transaction.CDOTransaction; |
| import org.eclipse.emf.cdo.util.CDOUtil; |
| import org.eclipse.emf.cdo.util.CommitException; |
| |
| import org.eclipse.net4j.util.WrappedException; |
| import org.eclipse.net4j.util.io.IOUtil; |
| |
| import org.eclipse.emf.common.util.EList; |
| import org.eclipse.emf.ecore.resource.Resource; |
| |
| /** |
| * @author Eike Stepper |
| */ |
| public class MemoryLeakTest extends AbstractCDOTest |
| { |
| private static final int LEVELS = 5; |
| |
| private static final int CATEGORIES = 5; |
| |
| private static final int PRODUCTS = 10; |
| |
| protected Company company; |
| |
| @Override |
| protected void doSetUp() throws Exception |
| { |
| // disableConsole(); |
| super.doSetUp(); |
| |
| CDOSession session = openSession(); |
| CDOTransaction transaction = session.openTransaction(); |
| Resource resource = transaction.createResource(getResourcePath("res1")); |
| |
| company = getModel1Factory().createCompany(); |
| resource.getContents().add(company); |
| commit(); |
| } |
| |
| @Override |
| protected void doTearDown() throws Exception |
| { |
| // enableConsole(); |
| super.doTearDown(); |
| } |
| |
| protected void commit() |
| { |
| try |
| { |
| CDOTransaction transaction = (CDOTransaction)CDOUtil.getCDOObject(company).cdoView(); |
| transaction.commit(); |
| } |
| catch (CommitException ex) |
| { |
| throw WrappedException.wrap(ex); |
| } |
| } |
| |
| public void testLargeModel() throws Exception |
| { |
| Category category = getModel1Factory().createCategory(); |
| category.setName("ROOT"); |
| company.getCategories().add(category); |
| commit(); |
| |
| try |
| { |
| createModel(category, LEVELS); |
| } |
| catch (OutOfMemoryError error) |
| { |
| error.printStackTrace(); |
| } |
| } |
| |
| private void createModel(Category parent, int levels) |
| { |
| IOUtil.OUT().println(parent + ": " + (LEVELS - levels)); |
| |
| EList<Category> categories = parent.getCategories(); |
| for (int i = 0; i < CATEGORIES; i++) |
| { |
| Category category = getModel1Factory().createCategory(); |
| category.setName("Category" + levels + "-" + i); |
| categories.add(category); |
| } |
| |
| EList<Product1> products = parent.getProducts(); |
| for (int i = 0; i < PRODUCTS; i++) |
| { |
| Product1 product = getModel1Factory().createProduct1(); |
| product.setName("Product" + levels + "-" + i); |
| products.add(product); |
| } |
| |
| commit(); |
| |
| if (levels > 0) |
| { |
| for (Category category : categories) |
| { |
| createModel(category, levels - 1); |
| } |
| } |
| } |
| |
| @SuppressWarnings("unused") |
| private Category selectCategory(EList<Category> categories) |
| { |
| int size = categories.size(); |
| if (size == 0) |
| { |
| return null; |
| } |
| |
| int index = (int)(Math.random() * size); |
| Category category = categories.get(index); |
| if (Math.random() >= .5d) |
| { |
| Category recurse = selectCategory(category.getCategories()); |
| if (recurse != null) |
| { |
| return recurse; |
| } |
| } |
| |
| return category; |
| } |
| } |