/**
* Clear the entire transaction synchronization state for the current thread: registered
* synchronizations as well as the various transaction characteristics.
*
* @see #clearSynchronization()
* @see #setCurrentTransactionName
* @see #setCurrentTransactionReadOnly
* @see #setCurrentTransactionIsolationLevel
* @see #setActualTransactionActive
*/
public static void clear() {
clearSynchronization();
setCurrentTransactionName(null);
setCurrentTransactionReadOnly(false);
setCurrentTransactionIsolationLevel(null);
setActualTransactionActive(false);
}
@Test
public void testDoGetEntityManagerWithTx() throws Exception {
try {
EntityManagerFactory factory = mock(EntityManagerFactory.class);
EntityManager manager = mock(EntityManager.class);
TransactionSynchronizationManager.initSynchronization();
given(factory.createEntityManager()).willReturn(manager);
// no tx active
assertSame(manager, EntityManagerFactoryUtils.doGetTransactionalEntityManager(factory, null));
assertSame(
manager,
((EntityManagerHolder) TransactionSynchronizationManager.unbindResource(factory))
.getEntityManager());
} finally {
TransactionSynchronizationManager.clearSynchronization();
}
assertTrue(TransactionSynchronizationManager.getResourceMap().isEmpty());
}
public void upgradeLevels() throws Exception {
TransactionSynchronizationManager.initSynchronization();
Connection c = DataSourceUtils.getConnection(dataSource);
c.setAutoCommit(false);
try {
List<User> users = userDao.getAll();
for (User user : users) {
if (canUpgradeLevel(user)) {
upgradeLevel(user);
}
}
c.commit();
} catch (Exception e) {
c.rollback();
throw e;
} finally {
DataSourceUtils.releaseConnection(c, dataSource);
TransactionSynchronizationManager.unbindResource(this.dataSource);
TransactionSynchronizationManager.clearSynchronization();
}
}
@Before
public void prepareTestedInstance() throws Exception {
if (TransactionSynchronizationManager.isSynchronizationActive()) {
TransactionSynchronizationManager.clearSynchronization();
}
}