| /* |
| * Copyright (c) 1998, 2021 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 v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // Oracle - initial API and implementation from Oracle TopLink |
| package org.eclipse.persistence.testing.models.jpa.sessionbean; |
| |
| import java.util.List; |
| |
| import jakarta.ejb.Remote; |
| import jakarta.ejb.Stateless; |
| |
| import jakarta.persistence.EntityManager; |
| import jakarta.persistence.PersistenceContext; |
| import jakarta.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; |
| |
| @Override |
| public List findAll() { |
| Query query = entityManager.createQuery("Select e from Employee e"); |
| return query.getResultList(); |
| } |
| |
| @Override |
| public Employee findById(int id) { |
| Employee employee = entityManager.find(Employee.class, id); |
| if (employee != null) { |
| employee.getAddress(); |
| } |
| return employee; |
| } |
| |
| @Override |
| 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(); |
| } |
| @Override |
| public Employee fetchById(int id) { |
| Employee employee = entityManager.find(Employee.class, id); |
| employee.getAddress(); |
| employee.getManager(); |
| return employee; |
| } |
| |
| @Override |
| public void update(Employee employee) { |
| entityManager.merge(employee); |
| } |
| |
| @Override |
| public int insert(Employee employee) { |
| entityManager.persist(employee); |
| if (employee.getDepartment() != null) { |
| entityManager.persist(employee.getDepartment()); |
| } |
| entityManager.flush(); |
| return employee.getId(); |
| } |
| |
| @Override |
| public void delete(Employee employee) { |
| Employee emp = entityManager.find(Employee.class, employee.getId()); |
| entityManager.remove(emp); |
| } |
| } |