Hi Ilavenil,
If you only have one Persistence Unit, you can get a list of entity classes
this way:
| // Get all entity classes
| org.hibernate.SessionFactory sf = ((org.jboss.ejb3.entity.HibernateSession)
em).getHibernateSession().getSessionFactory();
| Map<?,?> allClassMetadata = sf.getAllClassMetadata();
| for (Object value: allClassMetadata.values()) {
| EntityPersister ep = (EntityPersister) value;
| Class<?> entityClass =
ep.getClassMetadata().getMappedClass(EntityMode.POJO);
| // Do something with the class.....
| }
|
If you have more than one persistence unit, you could use
@PersistenceContext(unitName="") or similar annotations to inject an
EntityManager or SessionFactory for each.
If you can't do this or don't know the persistence units at compile-time, there
is another way I know of to get all Persistence Units, which involves editing
persistence.xml to register hibernate SessionFactory objects in JNDI and
scanning for them.
Regards,
Matt
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