java - Hibernate Return integer value

Question

I am new to hibernate . I want to pass 2 column values and want hibernate to return primary key of that table.

String queryString = "select perId from Permission where document.docId=1 and user.id=2";
return getHibernateTemplate().find(queryString);

But this method return List. How can i return int value.

Answer 1

Use the uniqueResult() method in Query. see here for an example or read the api here.

Here is an example. Replace the place holders as need to use them.

    sessionFactory = getHibernateTemplate().getSessionFactory();
    Session session = sessionFactory.getCurrentSession();
    Query query = session
            .createQuery("select value from table where ...");
    query.setParameters("param1", value1);
    result = (Type) query.uniqueResult();