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/*
* Copyright (c) 2009-2013 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:
* Martin Taal
*/
package org.eclipse.emf.cdo.tests.hibernate;
import org.eclipse.emf.cdo.eresource.CDOResource;
import org.eclipse.emf.cdo.server.hibernate.IHibernateStore;
import org.eclipse.emf.cdo.session.CDOSession;
import org.eclipse.emf.cdo.tests.AbstractCDOTest;
import org.eclipse.emf.cdo.tests.model1.Customer;
import org.eclipse.emf.cdo.tests.model1.Order;
import org.eclipse.emf.cdo.tests.model1.OrderDetail;
import org.eclipse.emf.cdo.tests.model1.Product1;
import org.eclipse.emf.cdo.tests.model1.SalesOrder;
import org.eclipse.emf.cdo.tests.model1.Supplier;
import org.eclipse.emf.cdo.tests.model1.VAT;
import org.eclipse.emf.cdo.transaction.CDOTransaction;
import org.eclipse.emf.cdo.util.CommitException;
import org.eclipse.emf.cdo.view.CDOQuery;
import org.eclipse.net4j.util.WrappedException;
import java.util.ArrayList;
import java.util.List;
/**
* Test lazy load behavior of hibernate
*
* @author Martin Taal
*/
public class HibernateLazyLoadTest extends AbstractCDOTest
{
private static final int NUM_OF_PRODUCTS = 10;
private static final int NUM_OF_CUSTOMERS = 2;
private static final int NUM_OF_PRODUCTS_CUSTOMER = NUM_OF_PRODUCTS / NUM_OF_CUSTOMERS;
private static final int NUM_OF_SALES_ORDERS = 5;
private static final int NUM_OF_SUPPLIERS = 5;
@Override
public void doSetUp() throws Exception
{
org.eclipse.emf.cdo.tests.model1.Model1Package.eINSTANCE.getSupplier_Preferred().setLowerBound(1);
org.eclipse.emf.cdo.tests.model1.legacy.Model1Package.eINSTANCE.getSupplier_Preferred().setLowerBound(1);
super.doSetUp();
}
@Override
public void doTearDown() throws Exception
{
org.eclipse.emf.cdo.tests.model1.Model1Package.eINSTANCE.getSupplier_Preferred().setLowerBound(0);
org.eclipse.emf.cdo.tests.model1.legacy.Model1Package.eINSTANCE.getSupplier_Preferred().setLowerBound(0);
super.doTearDown();
}
public void testSimpleQueries() throws Exception
{
msg("Opening session");
CDOSession session = openSession();
createTestSet(session);
session.close();
session = openSession();
msg("Opening transaction for querying");
CDOTransaction transaction = session.openTransaction();
clearCache(getRepository().getRevisionManager());
{
msg("Query for products");
CDOQuery cdoQuery = transaction.createQuery("hql", "from SalesOrder");
addCacheParameter(cdoQuery);
cdoQuery.setMaxResults(1);
final List<SalesOrder> orders = cdoQuery.getResult(SalesOrder.class);
System.err.println(orders.get(0).getOrderDetails().get(0).getPrice());
System.err.println(orders.get(0).getCustomer().getName());
assertEquals(orders.size(), 1);
}
transaction.commit();
enableConsole();
}
private void createTestSet(CDOSession session)
{
disableConsole();
msg("Opening transaction");
CDOTransaction transaction = session.openTransaction();
msg("Creating resource");
CDOResource resource = transaction.createResource(getResourcePath("/test1"));
fillResource(resource);
try
{
msg("Committing");
transaction.commit();
}
catch (CommitException ex)
{
throw WrappedException.wrap(ex);
}
enableConsole();
}
private void fillResource(CDOResource resource)
{
msg("Creating Testset");
final List<Product1> products = new ArrayList<Product1>();
for (int i = 0; i < NUM_OF_PRODUCTS; i++)
{
products.add(createProduct(i));
}
resource.getContents().addAll(products);
int productCounter = 0;
for (int i = 0; i < NUM_OF_CUSTOMERS; i++)
{
final Customer customer = getModel1Factory().createCustomer();
customer.setCity("City " + i);
customer.setName(i + "");
customer.setStreet("Street " + i);
resource.getContents().add(customer);
final List<Product1> customerProducts = products.subList(productCounter, productCounter
+ NUM_OF_PRODUCTS_CUSTOMER);
for (int k = 0; k < NUM_OF_SALES_ORDERS; k++)
{
resource.getContents().add(createSalesOrder(i * 10 + k, customer, customerProducts));
}
productCounter += NUM_OF_PRODUCTS_CUSTOMER;
}
final List<Supplier> suppliers = new ArrayList<Supplier>();
for (int i = 0; i < NUM_OF_SUPPLIERS; i++)
{
suppliers.add(createSupplier(i));
}
resource.getContents().addAll(suppliers);
}
private Supplier createSupplier(int i)
{
Supplier supplier = getModel1Factory().createSupplier();
supplier.setCity("City " + i);
supplier.setName(i + "");
supplier.setStreet("Street " + i);
// supplier.setPreferred(false); // will be persisted with its default value
return supplier;
}
private SalesOrder createSalesOrder(int num, Customer customer, List<Product1> products)
{
SalesOrder salesOrder = getModel1Factory().createSalesOrder();
salesOrder.setCustomer(customer);
salesOrder.setId(num);
createOrderDetail(salesOrder, num, products);
return salesOrder;
}
private List<OrderDetail> createOrderDetail(Order order, int index, List<Product1> products)
{
final List<OrderDetail> orderDetails = new ArrayList<OrderDetail>();
int count = 0;
for (Product1 product : products)
{
OrderDetail orderDetail = getModel1Factory().createOrderDetail();
orderDetail.setOrder(order);
orderDetail.setPrice(count++ * index * 1.1f);
orderDetail.setProduct(product);
}
return orderDetails;
}
private Product1 createProduct(int index)
{
Product1 product = getModel1Factory().createProduct1();
product.setDescription("Description " + index);
product.setName("" + index);
if (index < 10)
{
product.setVat(VAT.VAT15);
}
else
{
product.setVat(VAT.VAT7);
}
return product;
}
protected void addCacheParameter(CDOQuery query)
{
query.setParameter(IHibernateStore.CACHE_RESULTS, true);
}
}
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