TransactionState(final String ctx) {
this.startTime = System.currentTimeMillis();
this.txUuid = String.format("%s:%s", ctx, UUID.randomUUID().toString());
this.stopWatch = new StopWatch();
this.stopWatch.start();
this.owner = Logs.isExtrrreeeme() ? Threads.currentStackString() : "n/a";
try {
this.eventLog(TxStep.BEGIN, TxEvent.CREATE);
final EntityManagerFactory anemf =
(EntityManagerFactoryImpl) PersistenceContexts.getEntityManagerFactory(ctx);
checkParam(anemf, notNullValue());
this.em = anemf.createEntityManager();
checkParam(this.em, notNullValue());
this.transaction = this.em.getTransaction();
this.transaction.begin();
this.session = new WeakReference<Session>((Session) this.em.getDelegate());
this.eventLog(TxStep.END, TxEvent.CREATE);
} catch (final Throwable ex) {
Logs.exhaust().error(ex, ex);
this.eventLog(TxStep.FAIL, TxEvent.CREATE);
this.rollback();
throw new RuntimeException(PersistenceExceptions.throwFiltered(ex));
} finally {
outstanding.put(this.txUuid, this);
}
}
/**
* The merge method should copy all entity data into entity manager. Entity itself in not attached
* nor persisted.
*/
@Test
public void entityEquality_mergeInto_EntityManager() {
// load and detach entity
EntityManager em1 = factory.createEntityManager();
Person person1 = em1.find(Person.class, SIMON_SLASH_ID);
em1.close();
// change its property
person1.setFirstName("New Name");
// merge it into some entity manager
EntityManager em2 = factory.createEntityManager();
em2.merge(person1);
// this change will be ignored
person1.setFirstName("Ignored Change");
Person person2 = em2.find(Person.class, SIMON_SLASH_ID);
em2.close();
// entity itself was not attached
assertNotSame(person1, person2);
// however, its changed data was
assertEquals("New Name", person2.getFirstName());
// changed data are NOT available in different entity manager
EntityManager em3 = factory.createEntityManager();
Person person3 = em3.find(Person.class, SIMON_SLASH_ID);
em3.close();
assertNotSame("New Name", person3.getFirstName());
}
@Test
public void testCfgXmlPar() throws Exception {
File testPackage = buildCfgXmlPar();
addPackageToClasspath(testPackage);
EntityManagerFactory emf = Persistence.createEntityManagerFactory("cfgxmlpar", new HashMap());
EntityManager em = emf.createEntityManager();
Item i = new Item();
i.setDescr("Blah");
i.setName("factory");
Morito m = new Morito();
m.setPower("SuperStrong");
em.getTransaction().begin();
em.persist(i);
em.persist(m);
em.getTransaction().commit();
em.getTransaction().begin();
i = em.find(Item.class, i.getName());
em.remove(i);
em.remove(em.find(Morito.class, m.getId()));
em.getTransaction().commit();
em.close();
emf.close();
}
private void shutdown() {
if (entityManager != null) {
try {
if (entityManager.getTransaction().isActive()) {
entityManager.getTransaction().rollback();
}
} finally {
entityManager.close();
entityManager = null;
}
}
if (entityManagerFactory != null) {
entityManagerFactory.getCache().evictAll();
entityManagerFactory.close();
entityManagerFactory = null;
}
// clean shutdown of derby
if (isDerby) {
try {
DriverManager.getConnection("jdbc:derby:;shutdown=true");
} catch (SQLException e) {
if (!e.getMessage().equals("Derby system shutdown.")) {
throw new RuntimeException(e);
}
}
}
}
/**
* Get the EntityManager for the specified persistence unit name.
*
* @param name The persistence unit name
*/
public EntityManager em(String name) {
EntityManagerFactory emf = emfs.get(name);
if (emf == null) {
return null;
}
return emf.createEntityManager();
}
public static void main(String[] args) {
try {
EntityManagerFactory f = Persistence.createEntityManagerFactory("DemoPU");
EntityManager manager = f.createEntityManager();
Scanner in = new Scanner(System.in);
System.out.print("Enter id to modify");
int id = in.nextInt();
in.nextLine();
Emp e = manager.find(Emp.class, id);
System.out.println("current details are");
System.out.println(e.getEname() + "\t" + e.getJob() + "\t" + e.getSalary());
System.out.println("Enter name to update");
String n = in.nextLine();
System.out.println("Enter job to update");
String j = in.nextLine();
System.out.println("Enter salary to update");
int s = in.nextInt();
EntityTransaction t = manager.getTransaction();
t.begin();
e.setEname(n);
e.setJob(j);
e.setSalary(s);
t.commit();
manager.close();
System.out.println("updated");
} catch (Exception e) {
System.out.println(e);
}
}
/**
* Returns a list of dates from trade open until expiration.
*
* @param expiration
* @return
*/
public static List<Date> getTradeDatesStarting(Date expiration, Date startDate) {
EntityManagerFactory emf = Persistence.createEntityManagerFactory("JPAOptionsTrader");
EntityManager em = emf.createEntityManager();
// Note: table name refers to the Entity Class and is case sensitive
// field names are property names in the Entity Class
Query query =
em.createQuery(
"select distinct(opt.trade_date) from "
+ TradeProperties.SYMBOL_FOR_QUERY
+ " opt "
+ "where "
+ "opt.trade_date >= :tradeDate "
+ "opt.expiration=:expiration "
// + "and opt.call_put = :call_put "
// + "and opt.delta > 0.04 "
// + "and opt.delta < 0.96 "
+ "order by opt.trade_date");
query.setParameter("tradeDate", startDate);
query.setParameter("expiration", expiration);
// query.setParameter("call_put", callPut);
List<Date> dates = query.getResultList();
em.close();
return dates;
}
private Index<EntityManagerFactory, JtaEntityManagerRegistry.EntityManagerTracker>
createEntityManagers(BeanContext beanContext) {
// create the extended entity managers
Index<EntityManagerFactory, Map> factories = beanContext.getExtendedEntityManagerFactories();
Index<EntityManagerFactory, JtaEntityManagerRegistry.EntityManagerTracker> entityManagers =
null;
if (factories != null && factories.size() > 0) {
entityManagers =
new Index<EntityManagerFactory, JtaEntityManagerRegistry.EntityManagerTracker>(
new ArrayList<EntityManagerFactory>(factories.keySet()));
for (Map.Entry<EntityManagerFactory, Map> entry : factories.entrySet()) {
EntityManagerFactory entityManagerFactory = entry.getKey();
Map properties = entry.getValue();
JtaEntityManagerRegistry.EntityManagerTracker entityManagerTracker =
entityManagerRegistry.getInheritedEntityManager(entityManagerFactory);
EntityManager entityManager;
if (entityManagerTracker == null) {
if (properties != null) {
entityManager = entityManagerFactory.createEntityManager(properties);
} else {
entityManager = entityManagerFactory.createEntityManager();
}
entityManagerTracker = new JtaEntityManagerRegistry.EntityManagerTracker(entityManager);
} else {
entityManagerTracker.incCounter();
}
entityManagers.put(entityManagerFactory, entityManagerTracker);
}
}
return entityManagers;
}
// EXCLUI UM CAIXA
@Override
public void excluir(Caixa caixa) throws PersistenceException {
EntityManagerFactory conexao = Persistence.createEntityManagerFactory("MDJPapeisPU");
try {
EntityManager entityManager = conexao.createEntityManager();
entityManager.getTransaction().begin();
// Tornando o caixa gerenciável pelo entityManager, necessário para usar o método remove a
// seguir
caixa = entityManager.find(Caixa.class, caixa.getCodigo());
entityManager.remove(caixa);
entityManager.getTransaction().commit();
entityManager.close();
} catch (IllegalArgumentException ex) {
System.out.println("CaixaDAO - CATCH IllegalArgumentException");
ex.printStackTrace();
throw new PersistenceException(ex);
} catch (PersistenceException ex) {
System.out.println("CaixaDAO - CATCH PersistenceException");
ex.printStackTrace();
throw new PersistenceException(ex);
} finally {
conexao.close();
}
}
@Test
public void deveriaSeConectarComOBancoDeDados() throws Exception {
EntityManagerFactory factory = Persistence.createEntityManagerFactory("default");
EntityManager entityManager = factory.createEntityManager();
assertNotNull(entityManager);
}
/**
* Handles the HTTP <code>GET</code> method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
// Obtain a database connection:
EntityManagerFactory emf = (EntityManagerFactory) getServletContext().getAttribute("emf");
EntityManager em = emf.createEntityManager();
try {
// Handle a new guest (if any):
String name = request.getParameter("name");
if (name != null) {
em.getTransaction().begin();
em.persist(new memberController(name));
em.getTransaction().commit();
}
// Display the list of guests:
List<member> memberList = em.createQuery("SELECT m FROM member m").getResultList();
request.setAttribute("member", memberList);
request.getRequestDispatcher("/daftarmember.jsp").forward(request, response);
} finally {
// Close the database connection:
if (em.getTransaction().isActive()) em.getTransaction().rollback();
em.close();
}
}
/** Check if eviction of entity cache is working */
public String evict2LCCheck(String CACHE_REGION_NAME) {
EntityManager em = emf.createEntityManager();
Statistics stats = em.unwrap(Session.class).getSessionFactory().getStatistics();
stats.clear();
SecondLevelCacheStatistics emp2LCStats =
stats.getSecondLevelCacheStatistics(CACHE_REGION_NAME + "Employee");
try {
createEmployee(em, "Jan", "Ostrava", 20);
createEmployee(em, "Martin", "Brno", 30);
assertEquals(
"There are 2 puts in the 2LC" + generateEntityCacheStats(emp2LCStats),
2,
emp2LCStats.getPutCount());
assertTrue(
"Expected entities stored in the cache" + generateEntityCacheStats(emp2LCStats),
emp2LCStats.getElementCountInMemory() > 0);
// evict cache and check if is empty
emf.getCache().evictAll();
assertEquals(
"Expected no entities stored in the cache" + generateEntityCacheStats(emp2LCStats),
0,
emp2LCStats.getElementCountInMemory());
} catch (AssertionError e) {
return e.getMessage();
} finally {
em.close();
}
return "OK";
}
/** @param args */
public static void main(String[] args) {
EntityManagerFactory factory = Persistence.createEntityManagerFactory("withoutcreate");
EntityManager manager = factory.createEntityManager();
N1Select test = new N1Select(manager);
TypedQuery<Department> q =
test.manager.createQuery("select d from Department d", Department.class);
long start = System.currentTimeMillis();
List<Department> res = q.getResultList();
for (Department d : res) {
for (Employee e : d.getEmployees()) {
e.getName();
}
}
long end = System.currentTimeMillis();
long duree = end - start;
System.err.println("temps d'exec = " + duree);
// TODO persist entity
// TODO run request
System.out.println(".. done");
}
@Test
public void testCreateThenDrop() throws Exception {
URL persistenceXmlUrl =
Thread.currentThread().getContextClassLoader().getResource(PERSISTENCE_XML_RESOURCE_NAME);
if (persistenceXmlUrl == null) {
persistenceXmlUrl =
Thread.currentThread()
.getContextClassLoader()
.getResource('/' + PERSISTENCE_XML_RESOURCE_NAME);
}
assertNotNull(persistenceXmlUrl);
ParsedPersistenceXmlDescriptor persistenceUnit =
PersistenceXmlParser.locateIndividualPersistenceUnit(persistenceXmlUrl);
// creating the EMF causes SchemaCreator to be run...
EntityManagerFactory emf =
Bootstrap.getEntityManagerFactoryBuilder(persistenceUnit, Collections.emptyMap()).build();
// closing the EMF causes the delayed SchemaDropper to be run...
// wrap in a transaction just to see if we can get this to fail in the way the WF report says;
// in my experience however this succeeds with or without the transaction
final TransactionManager tm =
emf.unwrap(SessionFactoryImplementor.class)
.getServiceRegistry()
.getService(JtaPlatform.class)
.retrieveTransactionManager();
tm.begin();
Transaction txn = tm.getTransaction();
emf.close();
txn.commit();
}
public static void main(String[] args) {
EntityManagerFactory emfactory = Persistence.createEntityManagerFactory("JPA");
EntityManager entitymanager = emfactory.createEntityManager();
entitymanager.getTransaction().begin();
// Teaching staff entity
TeachingStaff ts1 = new TeachingStaff(1, "Gopal", "MSc MEd", "Maths");
TeachingStaff ts2 = new TeachingStaff(2, "Manisha", "BSc BEd", "English");
// Non-Teaching Staff entity
NonTeachingStaff nts1 = new NonTeachingStaff(3, "Satish", "Accounts");
NonTeachingStaff nts2 = new NonTeachingStaff(4, "Krishna", "Office Admin");
// storing all entities
entitymanager.persist(ts1);
entitymanager.persist(ts2);
entitymanager.persist(nts1);
entitymanager.persist(nts2);
entitymanager.getTransaction().commit();
entitymanager.close();
emfactory.close();
}
/** @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response) */
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
HttpSession session = request.getSession();
List<entities.Course> courses = new ArrayList<entities.Course>();
if (session.getAttribute("courses_validated_list") == null) {
// 1 Create the factory of Entity Manager
EntityManagerFactory factory =
Persistence.createEntityManagerFactory("PersistenceJPAProject");
// 2 Create the Entity Manager
EntityManager em = factory.createEntityManager();
// 3 Get one EntityTransaction and start it
EntityTransaction tx = em.getTransaction();
tx.begin();
try {
courses =
em.createNamedQuery("Course.findValidatedCourses", entities.Course.class)
.getResultList();
} catch (NoResultException e) {
courses = null;
}
session.setAttribute("courses_validated_list", courses);
tx.commit();
em.close();
}
((HttpServletResponse) response).sendRedirect("CoursesList.jsp");
}
public static void main(String[] args) throws Exception {
System.out.println("hello from Customer.java");
EntityManagerFactory factory = Persistence.createEntityManagerFactory("customerPU");
EntityManager manager = factory.createEntityManager();
Query q1 = manager.createQuery("SELECT COUNT(c) FROM Customer c");
Long count = (Long) q1.getSingleResult();
if (count == 0) {
// record is empty, read from data.txst
System.out.println("record empty, read from data.txt...");
// try {
FileReader fr = new FileReader("data.txt");
BufferedReader br = new BufferedReader(fr);
String s;
while ((s = br.readLine()) != null) {
// System.out.println(s);
// split the string s
Object[] items = s.split("\\|");
// store in string list
// List<String> itemList= new ArrayList<String>(Arrays.asList(items));
// string list converted to array
// Object[] itemArray = itemList.toArray();
// insert data into database table
manager.getTransaction().begin();
Customer c = new Customer();
// add email
c.setEmail((String) items[0]);
// add pass
c.setPass((String) items[1]);
// add name
c.setName((String) items[2]);
// add address
c.setAddress((String) items[3]);
// add yob
c.setYob((String) items[4]);
// change to managed state
manager.persist(c);
manager.getTransaction().commit();
}
fr.close();
}
// display the records
Query q2 = manager.createNamedQuery("Customer.findAll");
List<Customer> customers = q2.getResultList();
for (Customer c : customers) {
System.out.println(c.getName() + ", " + c.getEmail());
}
manager.close();
factory.close();
}
private static void insereIteracao(Pendencia pendencia) {
EntityManagerFactory factory = Persistence.createEntityManagerFactory("hemoproject");
EntityManager manager = factory.createEntityManager();
manager.getTransaction().begin();
UserDAO usuariodao = new UserDAO();
// obtem o usuário
usuariodao.beginTransaction();
User usuario = usuariodao.findUserByMasp("@Importacao");
usuariodao.closeTransaction();
Iteracao iteracao = new Iteracao();
// iteracao.setCategoria(Categoria.CONFIGURACAO);
iteracao.setDescricao("Pendente de validação do usuário. Conforme e-mail enviado.");
iteracao.setStatus(Status.PENDENTE_USUARIO);
iteracao.setUsuario(usuario);
iteracao.setPendencia(pendencia);
iteracao.setDataDaPendencia(new GregorianCalendar().getInstance());
manager.persist(iteracao);
manager.getTransaction().commit();
manager.close();
factory.close();
System.out.println("gravou");
}
public void remover(Integer id) throws Exception {
EntityManagerFactory emf = Persistence.createEntityManagerFactory("DAW-Trabalho-ModelPU");
EntityManager em = emf.createEntityManager();
try {
if (em.getTransaction().isActive() == false) {
em.getTransaction().begin();
}
Venda objeto = em.find(Venda.class, id);
em.remove(objeto);
em.getTransaction().commit();
} catch (Exception e) {
if (em.getTransaction().isActive() == false) {
em.getTransaction().begin();
}
em.getTransaction().rollback();
throw new Exception("Erro ao executar a operação de persistência:" + e.getMessage());
} finally {
em.close();
emf.close();
}
}
/** This method creates a entity manager. */
private EntityManager getEntityManager(KieRuntimeEvent event) {
Environment env = event.getKieRuntime().getEnvironment();
/**
* It's important to set the sharedEM flag with _every_ operation otherwise, there are
* situations where: 1. it can be set to "true" 2. something can happen 3. the "true" value can
* no longer apply (I've seen this in debugging logs.. )
*/
sharedEM = false;
if (emf != null) {
return emf.createEntityManager();
} else if (env != null) {
EntityManager em = (EntityManager) env.get(EnvironmentName.CMD_SCOPED_ENTITY_MANAGER);
if (em != null) {
sharedEM = true;
return em;
}
EntityManagerFactory emf =
(EntityManagerFactory) env.get(EnvironmentName.ENTITY_MANAGER_FACTORY);
if (emf != null) {
return emf.createEntityManager();
}
}
throw new RuntimeException("Could not find or create a new EntityManager!");
}
/**
* This method should be called in the @After method of a test to clean up the persistence unit
* and datasource.
*
* @param context A HashMap generated by {@link org.drools.persistence.util.PersistenceUtil
* setupWithPoolingDataSource(String)}
*/
public static void cleanUp(HashMap<String, Object> context) {
if (context != null) {
BitronixTransactionManager txm = TransactionManagerServices.getTransactionManager();
if (txm != null) {
txm.shutdown();
}
Object emfObject = context.remove(ENTITY_MANAGER_FACTORY);
if (emfObject != null) {
try {
EntityManagerFactory emf = (EntityManagerFactory) emfObject;
emf.close();
} catch (Throwable t) {
t.printStackTrace();
}
}
Object ds1Object = context.remove(DATASOURCE);
if (ds1Object != null) {
try {
PoolingDataSource ds1 = (PoolingDataSource) ds1Object;
ds1.close();
} catch (Throwable t) {
t.printStackTrace();
}
}
}
}
public static void main(String[] args) {
double inicio = System.currentTimeMillis();
Conta conta = new Conta();
conta.setTitular("Armando da Silva");
conta.setBanco("Banco do Brasil");
conta.setAgencia("0316");
conta.setNumero("54321");
conta.setSaldo(new BigDecimal(1234.48));
/** Usando HSQLDB */
// EntityManagerFactory emf = Persistence
// .createEntityManagerFactory("contas-hsqldb");
/** Usando PostgreSQL */
EntityManagerFactory emf = Persistence.createEntityManagerFactory("contas-postgres");
/*
EntityManagerFactory emf = Persistence
.createEntityManagerFactory("contasmysql");
*/
EntityManager em = emf.createEntityManager();
em.getTransaction().begin();
em.persist(conta);
em.getTransaction().commit();
em.close();
double fim = System.currentTimeMillis();
System.out.println("Executado em: " + (fim - inicio) / 1000 + "s");
}
public void testIllegalStateExceptionOnClosedEntityManagerFactory() {
EntityManagerFactory emf = null;
Metamodel metamodel = null;
boolean exceptionThrown = false;
try {
emf = initialize();
// Verify an ISE if the emf is closed
emf.close();
closeEntityManagerFactory(PERSISTENCE_UNIT_NAME);
try {
metamodel = emf.getMetamodel();
} catch (IllegalStateException e) {
exceptionThrown = true;
assertNull(metamodel);
assertTrue(e instanceof IllegalStateException);
// System.out.println("_Disclaimer: The above IllegalStateException is expected as part of
// testing.");
// e.printStackTrace();
}
assertTrue(exceptionThrown);
} catch (Exception e) {
e.printStackTrace();
}
}
@BeforeClass
public static void getDAO() throws Exception {
flightDao = new FlightDao();
EntityManagerFactory factory = Persistence.createEntityManagerFactory("BookingOfficeTest");
EntityManager entityManager = factory.createEntityManager();
flightDao.setEntityManager(entityManager);
}
/**
* Refresh method test loads an entity with two different entity managers. One updates the entity
* and another refreshes it. The test checks whether refreshed entity contains changes.
*/
@Test
public void entityEquality_refresh_EntityManager() {
// load an entity
EntityManager emRefresh = factory.createEntityManager();
Person person1 = emRefresh.find(Person.class, SIMON_SLASH_ID);
// load the same entity by different entity manager
EntityManager emChange = factory.createEntityManager();
Person person2 = emChange.find(Person.class, SIMON_SLASH_ID);
// change the first entity - second entity remains the same
emRefresh.getTransaction().begin();
person1.setFirstName("refreshDemo");
assertNotSame("refreshDemo", person2.getFirstName());
// commit the transaction - second entity still remains the same
emRefresh.getTransaction().commit();
assertNotSame("refreshDemo", person2.getFirstName());
// refresh second entity - it changes
emChange.refresh(person2);
assertEquals("refreshDemo", person2.getFirstName());
emRefresh.close();
emChange.close();
}
// TODO: Add a way to see details of a file
public static UserFile getUserFileDataFromDb(Long userFileId) {
EntityManagerFactory emf = Activator.getEmf();
EntityManager em = emf.createEntityManager();
UserFile userFile = em.find(UserFile.class, userFileId);
return userFile;
}
@Test
public void testExcludeHbmPar() throws Exception {
File testPackage = buildExcludeHbmPar();
addPackageToClasspath(testPackage);
EntityManagerFactory emf = null;
try {
emf = Persistence.createEntityManagerFactory("excludehbmpar", new HashMap());
} catch (PersistenceException e) {
Throwable nested = e.getCause();
if (nested == null) {
throw e;
}
nested = nested.getCause();
if (nested == null) {
throw e;
}
if (!(nested instanceof ClassNotFoundException)) {
throw e;
}
fail("Try to process hbm file: " + e.getMessage());
}
EntityManager em = emf.createEntityManager();
Caipirinha s = new Caipirinha("Strong");
em.getTransaction().begin();
em.persist(s);
em.getTransaction().commit();
em.getTransaction().begin();
s = em.find(Caipirinha.class, s.getId());
em.remove(s);
em.getTransaction().commit();
em.close();
emf.close();
}
public static void main(String[] args) {
EntityManagerFactory emf = Persistence.createEntityManagerFactory("TA-FINAL-PU");
EntityManager em = emf.createEntityManager();
Filme f = new Filme();
Filme ff = em.find(Filme.class, 42);
Cinema c = new Cinema();
Cinema cc = em.find(Cinema.class, 2);
Sessao obj = new Sessao();
obj.setData(Calendar.getInstance());
obj.setHora("16h as 18h");
obj.setValorInteiro(28.00);
obj.setValorMeia(14.00);
obj.setNumSala("25b");
obj.setCinema(cc);
obj.setFilme(ff);
em.getTransaction().begin();
em.persist(obj);
em.getTransaction().commit();
em.close();
emf.close();
}
@Test
public void testDefaultPar() throws Exception {
File testPackage = buildDefaultPar();
addPackageToClasspath(testPackage);
// run the test
EntityManagerFactory emf = Persistence.createEntityManagerFactory("defaultpar", new HashMap());
EntityManager em = emf.createEntityManager();
ApplicationServer as = new ApplicationServer();
as.setName("JBoss AS");
Version v = new Version();
v.setMajor(4);
v.setMinor(0);
v.setMicro(3);
as.setVersion(v);
Mouse mouse = new Mouse();
mouse.setName("mickey");
em.getTransaction().begin();
em.persist(as);
em.persist(mouse);
assertEquals(1, em.createNamedQuery("allMouse").getResultList().size());
Lighter lighter = new Lighter();
lighter.name = "main";
lighter.power = " 250 W";
em.persist(lighter);
em.flush();
em.remove(lighter);
em.remove(mouse);
assertNotNull(as.getId());
em.remove(as);
em.getTransaction().commit();
em.close();
emf.close();
}
@BeforeClass
public static void setUpClass() throws Exception {
EntityManagerFactory emf = Persistence.createEntityManagerFactory("BOMPU");
em = emf.createEntityManager();
repository = RepositoryFactory.getRepositoryOf(Produs.class);
logger.info("setUpClass runned");
}