I was implementing springs and hibernate annotation in netbeans. When i try to save the data in database it doesn't happen. Table is getting created when i launch the application from netbeans but fails to store data in it.
<bean id="myDataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<property name="driverClassName" value="org.apache.derby.jdbc.ClientDriver"/>
<property name="url" value="jdbc:derby://localhost:1527/seed"/>
开发者_C百科 <property name="username" value="root"/>
<property name="password" value="root"/>
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
<property name="dataSource" ref="myDataSource" />
<property name="annotatedClasses">
<list>
<value>com.vaannila.domain.User</value>
</list>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.DerbyDialect</prop>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.hbm2ddl.auto">update</prop>
</props>
</property>
</bean>
dao class:
@Repository("userDao")
public class UserDAOImpl implements UserDAO {
@Autowired
private SessionFactory sessionFactory;
/*public void setSessionFactory(SessionFactory sessionFactory) {
this.hibernateTemplate = new HibernateTemplate(sessionFactory);
}*/
@Override
public void saveUser(User user) {
sessionFactory.getCurrentSession().saveOrUpdate (user);
}
@Override
@SuppressWarnings("unchecked")
public List<User> listUser() {
return (List<User>) sessionFactory.getCurrentSession().
createCriteria ( User.class ).list();
}
}
service class:
@Service("userService")
@Transactional(propagation=Propagation.SUPPORTS, readOnly=true)
public class UserServiceImpl implements UserService {
@Autowired
private UserDAO userDAO;
@Override
public void saveUser(User user) {
userDAO.saveUser(user);
}
@Override
@SuppressWarnings("unchecked")
public List<User> listUser() {
return userDAO.listUser();
}
}
Please help me out.
Thanks in advance
The problem is that the transaction you have used is marked are rollback (readOnly) in the Service!
So you need to add @Transaction(readOnly=false)
to your controller or service method or dao that triggers the store operation of the item.
For example:
@Transactional(propagation=Propagation.SUPPORTS, readOnly=true)
public class UserServiceImpl implements UserService {
...
//Do not role back this transaction
@Transactional(propagation=Propagation.SUPPORTS, readOnly=false)
@Override
public void saveUser(User user) {
userDAO.saveUser(user);
}
}
@See Spring Reference: Chapter 10.5.6 Using @Transactional form some details
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