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Message #43090
Re: Problem with session factory and hibernate
Hi,
are you testing this through the UI - if so did you remember to add
@Transactional
to the service layer class to enable transactions? This is necessary for
modifications to be persisted in db.
regards,
Lars
On Mon, Feb 8, 2016 at 3:57 PM, Yrjan Aleksander Frøyland Fraschetti <
yrjanaff@xxxxxxxxx> wrote:
> I have a problem with session factory and saving objects to the database
> using hibernate.
>
> The problem is that when I use
> sessionFactory.getCurrentSession().save(object), nothing is persisted. If I
> use a flush() after the save the object is persisted, but the next time an
> object is saved to the database a copy of the former object is saved again
> with a new id, together with the new object. Has anyone encountered this
> before?
>
>
> Method for persisting object:
>
> public class HibernateDataStatisticsStore extends HibernateGenericStore<DataStatisticsEvent> implements DataStatisticsStore
> {
>
> @Override
> public int addDataStatisticsEvent( DataStatisticsEvent dataStatistics )
> {
> int id = (Integer) sessionFactory.getCurrentSession().save(dataStatistics);
> sessionFactory.getCurrentSession().flush();
> return id;
>
> }
>
> Hibernate-mapping:
>
> <hibernate-mapping>
> <class name="org.hisp.dhis.datastatistics.DataStatisticsEvent" table="datastatisticsevent">
> <cache usage="read-write" />
> <id name="id" column="eventid">
> <generator class="native" />
> </id>
> <property name="type" column="eventtype">
> <type name="org.hibernate.type.EnumType">
> <param name="enumClass">org.hisp.dhis.datastatistics.EventType</param>
> </type>
> </property>
> <property name="timestamp" column="timestamp" type="java.util.Date"></property>
> <property name="userId" column="userid" type="int" ></property>
> </class>
> </hibernate-mapping>
>
>
>
> Regards,
> Yrjan Fraschetti
>
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--
Lars Helge Øverland
Lead developer, DHIS 2
University of Oslo
Skype: larshelgeoverland
http://www.dhis2.org <https://www.dhis2.org/>
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