/*******************************************************************************
* 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.models.jpa.sessionbean;
import java.util.List;
import javax.ejb.Remote;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;
import org.eclipse.persistence.testing.models.jpa.fieldaccess.advanced.Employee;
/**
* EmployeeService session bean.
*/
@Stateless(mappedName="EmployeeService")
@Remote(EmployeeService.class)
public class EmployeeServiceBean implements EmployeeService {
@PersistenceContext(unitName="sessionbean")
protected EntityManager entityManager;
public List findAll() {
Query query = entityManager.createQuery("Select e from Employee e");
return query.getResultList();
}
public Employee findById(int id) {
Employee employee = entityManager.find(Employee.class, new Integer(id));
if (employee != null) {
employee.getAddress();
}
return employee;
}
public List findByFirstName(String fname) {
//NamedQuery("findAllFieldAccessEmployeesByFirstName")
Query query = entityManager.createQuery("SELECT e FROM Employee e where e.firstName = :fname").setParameter("fname", fname);
query.setHint("eclipselink.cache-usage", "CheckCacheOnly");
return query.getResultList();
}
public Employee fetchById(int id) {
Employee employee = entityManager.find(Employee.class, new Integer(id));
employee.getAddress();
employee.getManager();
return employee;
}
public void update(Employee employee) {
entityManager.merge(employee);
}
public int insert(Employee employee) {
entityManager.persist(employee);
if (employee.getDepartment() != null) {
entityManager.persist(employee.getDepartment());
}
entityManager.flush();
return employee.getId();
}
public void delete(Employee employee) {
Employee emp = entityManager.find(Employee.class, employee.getId());
entityManager.remove(emp);
}
}