Count query using Hibernate criteria

Posted on 10-05-2013 12:37 by graham
This short tutorial shows how to perform a Hibernate criteria query that counts records matching some criteria conditions.

Executing the count query

To execute a count query, we need to set a projection to Projections.rowCount() on the Criteria object.
public Integer countUsers (String userName)
Criteria c = getHibernateTemplate().getSessionFactory().getCurrentSession().createCriteria(User.class);

// add filter on user's name
c.add(Restrictions.ilike("name", "%" + userName + "%"));

return ((Number)c.setProjection(Projections.rowCount()).uniqueResult()).intValue();

The whole magic is done by this line:


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