| /* |
| * 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.tests.jpql; |
| |
| import org.eclipse.persistence.queries.*; |
| import org.eclipse.persistence.expressions.*; |
| import org.eclipse.persistence.testing.models.employee.domain.*; |
| |
| public class SimpleNullTest extends org.eclipse.persistence.testing.tests.jpql.JPQLTestCase { |
| Employee nullTestEmployee = null; |
| |
| public Employee buildNullTestEmployee() { |
| Employee employee = new Employee(); |
| employee.setFirstName(null); |
| employee.setLastName("Smith"); |
| employee.setSalary(10000); |
| |
| return employee; |
| } |
| |
| @Override |
| public void setup() { |
| getDatabaseSession().writeObject(getNullTestEmployee()); |
| |
| ReadAllQuery raq = new ReadAllQuery(); |
| raq.setReferenceClass(Employee.class); |
| |
| ExpressionBuilder builder = new ExpressionBuilder(); |
| Expression whereClause = builder.get("firstName").isNull(); |
| raq.setSelectionCriteria(whereClause); |
| |
| setOriginalOject(getSession().executeQuery(raq)); |
| |
| setEjbqlString("SELECT OBJECT(emp) FROM Employee emp WHERE emp.firstName IS NULL"); |
| |
| super.setup(); |
| } |
| |
| public Employee getNullTestEmployee() { |
| if (nullTestEmployee == null) { |
| setNullTestEmployee(buildNullTestEmployee()); |
| } |
| return nullTestEmployee; |
| } |
| |
| @Override |
| public void reset() { |
| getDatabaseSession().deleteObject(getNullTestEmployee()); |
| super.reset(); |
| } |
| |
| public void setNullTestEmployee(Employee newEmployee) { |
| nullTestEmployee = newEmployee; |
| } |
| } |