Question

I am new to Hibernate.

I want to create a public Object getById(Class class,long id) function. I tried creating query like: from :nameEntity where id= :id but I’m facing problems when setting parameter for nameEntity. Hibernate doesn’t recognize it as a parameter.

I used session.createQuery function. Could you please help me?

Answer 1

You will either have to do String concatenation to achieve this:

session.createQuery("from " + clazz.getName() " where id=:id").
        setParameter("id", id).
        uniqueResult();

or use the Criteria API:

session.createCriteria(clazz).
        add(Expression.eq("id", id).
        uniqueResult()