/*******************************************************************************
* 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.jpa.performance.writing;
import javax.persistence.*;
import org.eclipse.persistence.testing.models.jpa.performance2.Employee;
import org.eclipse.persistence.testing.framework.*;
/**
* This test compares the performance of updating Employee.
*/
public class JPA2UpdateEmployeePerformanceComparisonTest extends PerformanceRegressionTestCase {
protected long employeeId;
protected String firstName;
protected long count;
public JPA2UpdateEmployeePerformanceComparisonTest() {
setDescription("This test compares the performance of update Employee.");
}
/**
* Get an employee id.
*/
public void setup() {
EntityManager manager = createEntityManager();
Employee employee = (Employee)manager.createQuery("Select e from Employee e").getResultList().get(0);
this.employeeId = employee.getId();
this.firstName = employee.getFirstName();
this.count = 0;
manager.close();
}
/**
* Update employee.
*/
public void test() throws Exception {
EntityManager manager = createEntityManager();
manager.getTransaction().begin();
Employee employee = manager.getReference(Employee.class, new Long(this.employeeId));
count++;
employee.setFirstName(this.firstName + count);
try {
manager.getTransaction().commit();
} catch (Exception exception) {
employee = manager.getReference(Employee.class, new Long(this.employeeId));
manager.refresh(employee);
}
manager.close();
}
}