| Cache issue [message #483924] |
Thu, 03 September 2009 11:47  |
 Enrico
Messages: 82
Registered: July 2009 |
Member |
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Dear all,
I have a problem when I enable the eclipselink cache default one).
All my CRUD (Create, Read, Update and Delete) are implemented
instantiating and closing an EntityManager. For example:
public final T findById(I id) {
EntityManager entityManager = JpaManager.getManager();
try {
return (T) entityManager.find(entityClass, id);
}catch(Exception ex){
....
} finally {
entityManager.close();
}
return null;
}
public final void save(final T object) {
EntityManager entityManager = JpaManager.getManager();
try {
entityManager.getTransaction().begin();
entityManager.persist(object);
entityManager.getTransaction().commit();
}catch(Exception ex){
entityManager.getTransaction().rollback();
......
}finally {
entityManager.close();
}
}
It happens that sometimes I save an object and then I load (e.g.
findBtyId) but the retrieved value in not updated (that is, it is not
the last value I have saved or updated). On the DB, the table contain
the right value (the last saved).
I've tried to disable the cache in the persistence.xml file:
<property name="eclipselink.cache.type.default" value="None"/>
and all is going well.
Any help about?I need to configure the cache differently basing on the
structure of my code?)
BR,
Enrico
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