Trying to persist to an oracle db using hibernate 4 and spring 3 without success. Tests pass but data not persisted.
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05-07-2021 - |
Question
I am trying to implement a simple DAO using hibernate 4 and Spring 3.
When I try to save or delete a row in the db the transaction is not persisted. I have included some code to show how the saving in the db doesnt work:
I have a junit test which simply tries to save a StockEntityDTO in the db.
@RunWith(SpringJUnit4ClassRunner.class)
public class StocksDAOImplTest extends
AbstractTransactionalJUnit4SpringContextTests {
@Autowired
protected StocksDAO stockDao;
@Test
public void shouldInsertIntoDatabase() {
BigDecimal price = new BigDecimal(653.50);
StockEntityDTO savedStock = new StockEntityDTO("GOOG", price, "google");
stockDao.create(savedStock);
StockEntityDTO retrievedStock = stockDao.getById(savedStock.getId());
assertEquals(savedStock, retrievedStock);
}
The test passes but the expected row (1, "GOOG", 653.50, "google") is not persisted in the db.
The DAO looks like this:
@Transactional
public abstract class AbstractHibernateDAO<T extends Serializable> {
private Class<T> clazz;
@Resource(name = "sessionFactory")
private SessionFactory sessionFactory;
public void setClazz(final Class<T> clazzToSet) {
this.clazz = clazzToSet;
}
public void create(final T entity) {
Session session = this.getCurrentSession();
session.save(entity);
}
Application Context:
<tx:annotation-driven transaction-manager="transactionManager" />
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName" value="oracle.jdbc.OracleDriver" />
<property name="url" value="jdbc:oracle:thin:@localhost:1521:orcl" />
<property name="username" value="gtp" />
<property name="password" value="gtp" />
</bean>
<bean id="transactionManager"
class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<bean id="sessionFactory"
class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="packagesToScan" value="com.ubs.gtp.data.domain" />
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.OracleDialect</prop>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.current_session_context_class">org.springframework.orm.hibernate4.SpringSessionContext
</prop>
</props>
</property>
</bean>
Hope someone can help. As is probably evident from my code, I am very new to spring.
Solution
AbstractTransactionalJUnit4SpringContextTests
rolls back after the test. Try setting a breakpoint at the last line and then inspecting the database. You can use the Rollback
annotation if you don't want this default behaviour.