/*******************************************************************************
* Copyright (c) 1998, 2015 Oracle and/or its affiliates. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Oracle - initial API and implementation from Oracle TopLink
******************************************************************************/
package org.eclipse.persistence.testing.tests.performance.concurrent;
import org.eclipse.persistence.expressions.*;
import org.eclipse.persistence.sessions.*;
import org.eclipse.persistence.testing.models.performance.toplink.*;
/**
* This test compares the concurrency of updates.
* This test must be run on a multi-CPU machine to be meaningful.
*/
public class AddPhoneIsolatedConcurrentTest extends IsolatedConcurrentTest {
protected Employee employee;
protected int index;
public AddPhoneIsolatedConcurrentTest() {
setDescription("This tests the concurrency of updates.");
}
/**
* Return the next index to use as the phone type id.
*/
public synchronized int incrementIndex() {
return index++;
}
/**
* Find any employee.
*/
public void setup() {
super.setup();
Expression expression = new ExpressionBuilder().get("firstName").equal("Bob");
employee = (Employee)getServerSession().acquireClientSession().readObject(Employee.class, expression);
index = 0;
}
/**
* Add/remove a phone to/from the employee.
*/
public void runTask() throws Exception {
Session client = getServerSession().acquireClientSession();
UnitOfWork uow = client.acquireUnitOfWork();
Employee employee = (Employee)uow.readObject(this.employee);
PhoneNumber phone = new PhoneNumber();
int currentIndex = incrementIndex();
phone.setType("new" + currentIndex);
employee.addPhoneNumber(phone);
uow.commit();
uow = client.acquireUnitOfWork();
employee = (Employee)uow.readObject(employee);
phone = (PhoneNumber)uow.readObject(phone);
employee.removePhoneNumber(phone);
uow.commit();
client.release();
}
}