Question

Sorry of this appears a bit simple a question, but is there a way to load objects from the db with Hibernate by specifying the class as a variable of the query?

I.e.:

I have

ClazzA, ClazzB, ClazzC

All three classes are mapped to tables ClazzA, ClazzB and ClazzC in the db

I would like to have a variable like so:

Class clazz=obj.getClass();

and then be able to populate a query by specifying the class as part of the query construction:

List objs=session.createQuery(…) … .list();

Is there a way to do this?

Answer 1

There is no elegant way to do it with HQL queries, but you can use Criteria API:

List objs = session.createCriteria(clazz).list();

See also:

• Chapter 17. Criteria Queries