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* to you under the Apache License, Version 2.0 (the
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*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
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package org.apache.openjpa.jdbc.kernel;
import javax.persistence.EntityManager;
import org.apache.openjpa.persistence.test.SingleEMFTestCase;
public class TestM21UniVersion extends SingleEMFTestCase {
public static String SALESID = "SALES";
public static String MARKETINGID = "MARKETING";
public static String EMPLOYEE1ID = "EMPLOYEE1";
public static String EMPLOYEE2ID = "EMPLOYEE2";
public static String EMPLOYEE3ID = "EMPLOYEE3";
public void setUp() {
setUp(
M21UniDepartment.class,
M21UniEmployee.class,
CLEAR_TABLES);
createEntities();
}
void createEntities() {
EntityManager em = emf.createEntityManager();
em.getTransaction().begin();
M21UniDepartment sales = new M21UniDepartment();
sales.setDeptid(SALESID);
sales.setName("SALES");
sales.setCostCode("1000");
M21UniDepartment marketing = new M21UniDepartment();
marketing.setDeptid(MARKETINGID);
marketing.setName("marketing");
marketing.setCostCode("3000");
M21UniEmployee e1 = new M21UniEmployee();
M21UniEmployee e2 = new M21UniEmployee();
e1.setEmpid(EMPLOYEE1ID);
e1.setName("Gilgamesh_1");
e2.setEmpid(EMPLOYEE2ID);
e2.setName("Enkidu_1");
e1.setDepartment(sales);
e2.setDepartment(sales);
em.persist(e1);
em.persist(e2);
em.persist(sales);
em.persist(marketing);
em.flush();
em.getTransaction().commit();
em.close();
}
public void testNonRelationalFieldInverseSideVersionUpdate() {
// Change only non-relation fields on Department.
// Version number of Department should be updated.
// Version numbers of Employee should not be updated.
EntityManager em = emf.createEntityManager();
M21UniDepartment sales = em.find(M21UniDepartment.class, SALESID);
M21UniEmployee e1 = em.find(M21UniEmployee.class, EMPLOYEE1ID);
M21UniEmployee e2 = em.find(M21UniEmployee.class, EMPLOYEE2ID);
int salesVersionPre = sales.getVersion();
int e1VersionPre = e1.getVersion();
int e2VersionPre = e2.getVersion();
em.getTransaction().begin();
sales.setCostCode("1001");
em.getTransaction().commit();
em.close();
em = emf.createEntityManager();
sales = em.find(M21UniDepartment.class, SALESID);
e1 = em.find(M21UniEmployee.class, EMPLOYEE1ID);
e2 = em.find(M21UniEmployee.class, EMPLOYEE2ID);
int salesVersionPost = sales.getVersion();
int e1VersionPost = e1.getVersion();
int e2VersionPost = e2.getVersion();
em.close();
assertEquals(salesVersionPost, salesVersionPre + 1);
assertEquals(e1VersionPost, e1VersionPre);
assertEquals(e2VersionPost, e2VersionPre);
}
public void testNonRelationalFieldOwnerSideVersionUpdate() {
// Change only non-relation fields on Employee.
// Version number of Employee should be updated.
// Version number of Department should not change.
EntityManager em = emf.createEntityManager();
M21UniDepartment sales = em.find(M21UniDepartment.class, SALESID);
M21UniEmployee e1 = em.find(M21UniEmployee.class, EMPLOYEE1ID);
M21UniEmployee e2 = em.find(M21UniEmployee.class, EMPLOYEE2ID);
int salesVersionPre = sales.getVersion();
int e1VersionPre = e1.getVersion();
int e2VersionPre = e2.getVersion();
em.getTransaction().begin();
e1.setName("Gilgamesh_2");
e2.setName("Enkidu_2");
em.getTransaction().commit();
em.close();
em = emf.createEntityManager();
sales = em.find(M21UniDepartment.class, SALESID);
e1 = em.find(M21UniEmployee.class, EMPLOYEE1ID);
e2 = em.find(M21UniEmployee.class, EMPLOYEE2ID);
int salesVersionPost = sales.getVersion();
int e1VersionPost = e1.getVersion();
int e2VersionPost = e2.getVersion();
em.close();
assertEquals(salesVersionPost, salesVersionPre);
assertEquals(e1VersionPost, e1VersionPre + 1);
assertEquals(e2VersionPost, e2VersionPre + 1);
}
public void testRelationalFieldOwnerSideVersionUpdate() {
// Assign employees to a new Department.
// Since there is a unidirectional ManyToOne relationship
// from Employee to Department, only the Employee
// version should be updated. Department version
// should remain the same as before.
EntityManager em = emf.createEntityManager();
M21UniDepartment sales = em.find(M21UniDepartment.class, SALESID);
M21UniDepartment marketing = em.find(M21UniDepartment.class,
MARKETINGID);
M21UniEmployee e1 = em.find(M21UniEmployee.class, EMPLOYEE1ID);
M21UniEmployee e2 = em.find(M21UniEmployee.class, EMPLOYEE2ID);
int salesVersionPre = sales.getVersion();
int marketingVersionPre = marketing.getVersion();
int e1VersionPre = e1.getVersion();
int e2VersionPre = e2.getVersion();
em.getTransaction().begin();
e1.setDepartment(marketing);
// Don't update e2, so we can check for unchanged
// version number for e2.
em.getTransaction().commit();
em.close();
em = emf.createEntityManager();
sales = em.find(M21UniDepartment.class, SALESID);
marketing = em.find(M21UniDepartment.class, MARKETINGID);
e1 = em.find(M21UniEmployee.class, EMPLOYEE1ID);
e2 = em.find(M21UniEmployee.class, EMPLOYEE2ID);
int salesVersionPost = sales.getVersion();
int marketingVersionPost = marketing.getVersion();
int e1VersionPost = e1.getVersion();
int e2VersionPost = e2.getVersion();
em.close();
assertEquals(salesVersionPost, salesVersionPre);
assertEquals(marketingVersionPost, marketingVersionPre);
assertEquals(e1VersionPost, e1VersionPre + 1);
assertEquals(e2VersionPost, e2VersionPre);
}
}