MenuNavigationFacade.java
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package fi.insomnia.bortal.facade;
import java.util.List;
import javax.ejb.EJB;
import javax.ejb.LocalBean;
import javax.ejb.Stateless;
import javax.persistence.Query;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Root;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import fi.insomnia.bortal.beans.EventBean;
import fi.insomnia.bortal.beans.PermissionBeanLocal;
import fi.insomnia.bortal.model.MenuNavigation;
import fi.insomnia.bortal.model.MenuNavigation_;
import fi.insomnia.bortal.model.Menuitem_;
@Stateless
@LocalBean
public class MenuNavigationFacade extends IntegerPkGenericFacade<MenuNavigation> {
public MenuNavigationFacade() {
super(MenuNavigation.class);
}
@EJB
private MenuitemFacade menuitemfacade;
@EJB
private EventBean eventbean;
@EJB
private PermissionBeanLocal permbean;
@SuppressWarnings("unused")
private static final Logger logger = LoggerFactory.getLogger(MenuNavigationFacade.class);
public MenuNavigation find(String url) {
if (url == null || url.isEmpty())
{
return null;
}
CriteriaBuilder cb = getEm().getCriteriaBuilder();
CriteriaQuery<MenuNavigation> cq = cb.createQuery(MenuNavigation.class);
Root<MenuNavigation> root = cq.from(MenuNavigation.class);
cq.where(
cb.equal(root.get(MenuNavigation_.item).get(Menuitem_.url), url),
cb.equal(root.get(MenuNavigation_.event), eventbean.getCurrentEvent())
);
return super.getSingleNullableResult(getEm().createQuery(cq));
}
/**
* Returns top level navigations
*
* @return
*/
public List<MenuNavigation> findToplevels() {
CriteriaBuilder cb = getEm().getCriteriaBuilder();
CriteriaQuery<MenuNavigation> cq = cb.createQuery(MenuNavigation.class);
Root<MenuNavigation> root = cq.from(MenuNavigation.class);
cq.where(cb.isNull(root.get(MenuNavigation_.parent)),
cb.equal(root.get(MenuNavigation_.event), eventbean.getCurrentEvent()),
cb.isTrue(root.get(MenuNavigation_.visible)));
cq.orderBy(cb.asc(root.get(MenuNavigation_.sort)));
return getEm().createQuery(cq).getResultList();
}
public void deleteAllDefaults() {
Query q = getEm().createQuery("delete from MenuNavigation where event = :event");
q.setParameter("event", eventbean.getCurrentEvent());
q.executeUpdate();
}
}