/**
*
* @author ilya portnyagin iportnyagin@gmail.com
*/
package ru.portnyagin.helpdeskru.service;
import java.util.List;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Root;
import ru.portnyagin.helpdeskru.model.Priority;
import ru.portnyagin.helpdeskru.model.Priority_;
@Stateless
public class PriorityService extends AbstractService<Priority> {
@PersistenceContext(unitName = "HelpDeskRuPU")
private EntityManager em;
protected EntityManager getEntityManager() {
return em;
}
public PriorityService() {
super(Priority.class);
}
public List<Priority> findAll() {
CriteriaBuilder cb = getEntityManager().getCriteriaBuilder();
CriteriaQuery cq = cb.createQuery();
Root<Priority> h = cq.from(Priority.class);
cq.orderBy(cb.asc(h.get(Priority_.id)));
return getEntityManager().createQuery(cq).getResultList();
}
}