/*******************************************************************************
* * Copyright 2013 Impetus Infotech.
* *
* * Licensed under the Apache License, Version 2.0 (the "License");
* * you may not use this file except in compliance with the License.
* * You may obtain a copy of the License at
* *
* * 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 "AS IS" BASIS,
* * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* * See the License for the specific language governing permissions and
* * limitations under the License.
******************************************************************************/
package com.impetus.client.crud;
import java.sql.SQLException;
import java.util.HashSet;
import java.util.Set;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import com.impetus.client.crud.entities.AddressRDBMSMTM;
import com.impetus.client.crud.entities.PersonLazyRDBMSMTM;
/**
* @author impadmin
*
*/
public class RDBMSMTMLazyTest
{
private EntityManagerFactory emf;
private EntityManager em;
private RDBMSCli cli;
private static final String SCHEMA = "testdb";
/**
* @throws java.lang.Exception
*/
@Before
public void setUp() throws Exception
{
emf = Persistence.createEntityManagerFactory("testHibernate");
em = getNewEM();
createSchema();
}
/**
* @throws java.lang.Exception
*/
@After
public void tearDown() throws Exception
{
em.close();
emf.close();
dropSchema();
}
@Test
public void testCRUD()
{
AddressRDBMSMTM address1 = new AddressRDBMSMTM();
address1.setAddressId("a");
address1.setStreet("sector 11");
AddressRDBMSMTM address2 = new AddressRDBMSMTM();
address2.setAddressId("b");
address2.setStreet("sector 12");
AddressRDBMSMTM address3 = new AddressRDBMSMTM();
address3.setAddressId("c");
address3.setStreet("sector 13");
Set<AddressRDBMSMTM> addresses1 = new HashSet<AddressRDBMSMTM>();
addresses1.add(address1);
addresses1.add(address2);
Set<AddressRDBMSMTM> addresses2 = new HashSet<AddressRDBMSMTM>();
addresses2.add(address2);
addresses2.add(address3);
PersonLazyRDBMSMTM person1 = new PersonLazyRDBMSMTM();
person1.setPersonId("1");
person1.setPersonName("Kuldeep");
PersonLazyRDBMSMTM person2 = new PersonLazyRDBMSMTM();
person2.setPersonId("2");
person2.setPersonName("vivek");
person1.setAddresses(addresses1);
person2.setAddresses(addresses2);
em.persist(person1);
em.persist(person2);
em = getNewEM();
PersonLazyRDBMSMTM foundPerson1 = em.find(PersonLazyRDBMSMTM.class, "1");
Assert.assertNotNull(foundPerson1);
Assert.assertNotNull(foundPerson1.getAddresses());
Assert.assertEquals("1", foundPerson1.getPersonId());
Assert.assertEquals("Kuldeep", foundPerson1.getPersonName());
int counter = 0;
for (AddressRDBMSMTM address : foundPerson1.getAddresses())
{
if (address.getAddressId().equals("a"))
{
counter++;
Assert.assertEquals("sector 11", address.getStreet());
}
else
{
Assert.assertEquals("b", address.getAddressId());
Assert.assertEquals("sector 12", address.getStreet());
counter++;
}
}
PersonLazyRDBMSMTM foundPerson2 = em.find(PersonLazyRDBMSMTM.class, "2");
Assert.assertNotNull(foundPerson2);
Assert.assertNotNull(foundPerson2.getAddresses());
Assert.assertEquals("2", foundPerson2.getPersonId());
Assert.assertEquals("vivek", foundPerson2.getPersonName());
counter = 0;
for (AddressRDBMSMTM address : foundPerson2.getAddresses())
{
if (address.getAddressId().equals("b"))
{
counter++;
Assert.assertEquals("sector 12", address.getStreet());
}
else
{
Assert.assertEquals("c", address.getAddressId());
Assert.assertEquals("sector 13", address.getStreet());
counter++;
}
}
foundPerson1.setPersonName("KK");
foundPerson2.setPersonName("vives");
em.merge(foundPerson1);
em.merge(foundPerson2);
em = getNewEM();
foundPerson1 = em.find(PersonLazyRDBMSMTM.class, "1");
Assert.assertNotNull(foundPerson1);
Assert.assertNotNull(foundPerson1.getAddresses());
Assert.assertEquals("1", foundPerson1.getPersonId());
Assert.assertEquals("KK", foundPerson1.getPersonName());
counter = 0;
for (AddressRDBMSMTM address : foundPerson1.getAddresses())
{
if (address.getAddressId().equals("a"))
{
counter++;
Assert.assertEquals("sector 11", address.getStreet());
}
else
{
Assert.assertEquals("b", address.getAddressId());
Assert.assertEquals("sector 12", address.getStreet());
counter++;
}
}
foundPerson2 = em.find(PersonLazyRDBMSMTM.class, "2");
Assert.assertNotNull(foundPerson2);
Assert.assertNotNull(foundPerson2.getAddresses());
Assert.assertEquals("2", foundPerson2.getPersonId());
Assert.assertEquals("vives", foundPerson2.getPersonName());
counter = 0;
for (AddressRDBMSMTM address : foundPerson2.getAddresses())
{
if (address.getAddressId().equals("b"))
{
counter++;
Assert.assertEquals("sector 12", address.getStreet());
}
else
{
Assert.assertEquals("c", address.getAddressId());
Assert.assertEquals("sector 13", address.getStreet());
counter++;
}
}
em.remove(foundPerson1);
em.remove(foundPerson2);
foundPerson1 = em.find(PersonLazyRDBMSMTM.class, "1");
foundPerson2 = em.find(PersonLazyRDBMSMTM.class, "2");
Assert.assertNull(foundPerson1);
Assert.assertNull(foundPerson2);
}
private EntityManager getNewEM()
{
if (em != null && em.isOpen())
{
em.close();
}
return em = emf.createEntityManager();
}
private void createSchema() throws SQLException
{
try
{
cli = new RDBMSCli(SCHEMA);
cli.createSchema(SCHEMA);
cli.update("CREATE TABLE TESTDB.PERSONNEL (PERSON_ID VARCHAR(9) PRIMARY KEY, PERSON_NAME VARCHAR(256))");
cli.update("CREATE TABLE TESTDB.ADDRESS (ADDRESS_ID VARCHAR(9) PRIMARY KEY, STREET VARCHAR(256))");
cli.update("CREATE TABLE TESTDB.PERSONNEL_ADDRESS (ADDRESS_ID VARCHAR(9), PERSON_ID VARCHAR(9))");
}
catch (Exception e)
{
cli.update("DELETE FROM TESTDB.PERSONNEL");
cli.update("DELETE FROM TESTDB.ADDRESS");
cli.update("DELETE FROM TESTDB.PERSONNEL_ADDRESS");
cli.update("DROP TABLE TESTDB.PERSONNEL");
cli.update("DROP TABLE TESTDB.ADDRESS");
cli.update("DROP TABLE TESTDB.PERSONNEL_ADDRESS");
cli.update("DROP SCHEMA TESTDB");
cli.update("CREATE TABLE TESTDB.PERSON (PERSON_ID VARCHAR(9) PRIMARY KEY, PERSON_NAME VARCHAR(256))");
cli.update("CREATE TABLE TESTDB.ADDRESS (ADDRESS_ID VARCHAR(9) PRIMARY KEY, STREET VARCHAR(256))");
cli.update("CREATE TABLE TESTDB.PERSONNEL_ADDRESS (ADDRESS_ID VARCHAR(9), PERSON_ID VARCHAR(9))");
// nothing
// do
}
}
private void dropSchema()
{
try
{
cli.update("DELETE FROM TESTDB.PERSONNEL");
cli.update("DELETE FROM TESTDB.ADDRESS");
cli.update("DELETE FROM TESTDB.PERSONNEL_ADDRESS");
cli.update("DROP TABLE TESTDB.PERSONNEL");
cli.update("DROP TABLE TESTDB.ADDRESS");
cli.update("DROP TABLE TESTDB.PERSONNEL_ADDRESS");
cli.update("DROP SCHEMA TESTDB");
cli.closeConnection();
}
catch (Exception e)
{
// Nothing to do
}
}
}