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/*
* Copyright (c) 2004 - 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:
* Steve Monnier - initial API and implementation
*/
package org.eclipse.emf.cdo.tests.bugzilla;
import org.eclipse.emf.cdo.CDOLock;
import org.eclipse.emf.cdo.CDOObject;
import org.eclipse.emf.cdo.eresource.CDOResource;
import org.eclipse.emf.cdo.session.CDOSession;
import org.eclipse.emf.cdo.tests.AbstractCDOTest;
import org.eclipse.emf.cdo.tests.model1.Company;
import org.eclipse.emf.cdo.tests.model1.Customer;
import org.eclipse.emf.cdo.transaction.CDOTransaction;
import org.eclipse.emf.cdo.util.CDOUtil;
import org.eclipse.net4j.util.concurrent.IRWLockManager.LockType;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.xmi.impl.XMLResourceFactoryImpl;
import java.util.ArrayList;
/**
* Bug 385268.
*
* @author Steve Monnier
*/
public class Bugzilla_402142_Test extends AbstractCDOTest
{
/**
* Scenario #1
* <ol>
* <li>User A : Create a CDOResource and add a Company root and commit
* <li>User B : Lock the Company element
* <li>User A : Ask if Company element is lockedByOther -> OK, it's locked
* </ol>
*/
public void testCheckLockByOther() throws Exception
{
CDOSession session = openSession();
CDOTransaction transaction = session.openTransaction();
transaction.options().setLockNotificationEnabled(true);
CDOResource resource = transaction.createResource(getResourcePath("/my/resource"));
Company company = getModel1Factory().createCompany();
resource.getContents().add(company);
transaction.commit();
final CDOLock writeLock = CDOUtil.getCDOObject(company).cdoWriteLock();
assertEquals(false, writeLock.isLockedByOthers());
lockCompanyRemotely();
new PollingTimeOuter()
{
@Override
protected boolean successful()
{
return writeLock.isLockedByOthers();
}
}.assertNoTimeOut();
transaction.commit();
}
/**
* Scenario #2
* <ol>
* <li>User A : Create a CDOResource and add a Company root and commit
* <li>User A : Lock and Unlock the Company element
* <li>User B : Lock the Company element
* <li>User A : Ask if Company element is lockedByOther -> OK, it's locked
* </ol>
*/
public void testCheckLockByOtherAfterLockUnlock() throws Exception
{
CDOSession session = openSession();
CDOTransaction transaction = session.openTransaction();
transaction.options().setLockNotificationEnabled(true);
CDOResource resource = transaction.createResource(getResourcePath("/my/resource"));
Company company = getModel1Factory().createCompany();
resource.getContents().add(company);
transaction.commit();
final CDOLock writeLock = CDOUtil.getCDOObject(company).cdoWriteLock();
writeLock.lock(DEFAULT_TIMEOUT);
writeLock.unlock();
assertEquals(false, writeLock.isLockedByOthers());
lockCompanyRemotely();
new PollingTimeOuter()
{
@Override
protected boolean successful()
{
return writeLock.isLockedByOthers();
}
}.assertNoTimeOut();
transaction.commit();
}
/**
* Scenario #3
* <ol>
* <li>Create a local resource and a CDOResource
* <li>Add an element "company1" to CDOResource
* <li>Add an element "company2" to the local resource
* <li>Add a Customer to "comapny1" commit
* <li>Move the customer to the local resource
* <li>Lock "company1" and customer (to avoid conflict from a distant user)
* <li>Commit
* <li>Move back the customer to "company1"
* <li>Add lock to customer (lock on new object)
* <li>Commit -> The new object should not have the lockstate of the former one
* </ol>
*/
public void testLockUnlockOnElementMovedBetweenResources() throws Exception
{
CDOSession session = openSession();
CDOTransaction transaction = session.openTransaction();
transaction.options().setLockNotificationEnabled(true);
CDOResource resource = transaction.createResource(getResourcePath("/my/resource"));
Company company = getModel1Factory().createCompany();
resource.getContents().add(company);
Customer customer = getModel1Factory().createCustomer();
company.getCustomers().add(customer);
transaction.commit();
ResourceSet resourceSet = transaction.getResourceSet();
resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap().put("model1", new XMLResourceFactoryImpl());
URI localURI = URI.createFileURI(createTempFile("resource", ".model1").getCanonicalPath());
Resource resource2 = resourceSet.createResource(localURI);
Company company2 = getModel1Factory().createCompany();
resource2.getContents().add(company2);
company2.getCustomers().add(customer); // Move the customer to the local resource (detach)
ArrayList<CDOObject> objectsToLock = new ArrayList<CDOObject>();
objectsToLock.add(CDOUtil.getCDOObject(company));
objectsToLock.add(CDOUtil.getCDOObject(customer));
transaction.lockObjects(objectsToLock, LockType.WRITE, DEFAULT_TIMEOUT);
transaction.commit();
company.getCustomers().add(customer); // Move the customer to the CDO resource (attach new)
objectsToLock.add(CDOUtil.getCDOObject(customer)); // New object
transaction.lockObjects(objectsToLock, LockType.WRITE, DEFAULT_TIMEOUT);
transaction.commit();
}
private void lockCompanyRemotely() throws Exception
{
CDOSession session = openSession();
CDOTransaction transaction = session.openTransaction();
CDOResource resource = transaction.getResource(getResourcePath("/my/resource"));
CDOLock writeLock = CDOUtil.getCDOObject(resource.getContents().get(0)).cdoWriteLock();
writeLock.lock(DEFAULT_TIMEOUT);
}
}
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