PlaceFacade.java
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package fi.insomnia.bortal.facade;
import java.util.Calendar;
import java.util.List;
import javax.ejb.LocalBean;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;
import javax.persistence.TypedQuery;
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.model.EventMap;
import fi.insomnia.bortal.model.LanEvent;
import fi.insomnia.bortal.model.Place;
import fi.insomnia.bortal.model.Place_;
import fi.insomnia.bortal.model.User;
@Stateless
@LocalBean
public class PlaceFacade extends EventChildGenericFacade<Place> {
private static final Logger logger = LoggerFactory.getLogger(PlaceFacade.class);
@PersistenceContext
private EntityManager em;
public PlaceFacade() {
super(Place.class);
}
@Override
protected EntityManager getEm() {
return em;
}
//
// public boolean reservePlace(Place p, User reserver) {
// boolean ret = p.reserve(reserver);
// merge(p);
// return ret;
// }
//
// public List<Place> find(LanEvent event, List<Integer> placeIds) {
// if (placeIds == null || placeIds.size() <= 0) {
// return new ArrayList<Place>();
// }
//
// TypedQuery<Place> q =
// em.createQuery("Select p from Place p where p.id.eventId = :eventid and p.id.id IN :places",
// Place.class);
// q.setParameter("eventid", event.getId());
// q.setParameter("places", placeIds);
// return q.getResultList();
// }
public void timeoutPlaces() {
CriteriaBuilder cb = getEm().getCriteriaBuilder();
CriteriaQuery<Place> cq = cb.createQuery(Place.class);
Root<Place> root = cq.from(Place.class);
cq.select(root);
cq.where(cb.lessThan(root.get(Place_.releaseTime), Calendar.getInstance()));
TypedQuery<Place> q = getEm().createQuery(cq);
int updated = timeoutPlaces(q.getResultList(), true);
if (updated > 0) {
logger.info("{} places released for sale after release time exceeded.", updated);
}
}
private int timeoutPlaces(List<Place> places, boolean checkFromEntity) {
int updated = 0;
for (Place p : places) {
logger.debug("Releasing place {} at automagic timed place check.", p);
if (!checkFromEntity || p.checkReleased()) {
++updated;
merge(p);
}
}
// logger.debug("Checking timeouted places took: {} ms",
// Calendar.getInstance().getTimeInMillis()-begin.getTimeInMillis());
return updated;
}
public Long countSelectable(EventMap map) {
if (map == null) {
return null;
}
CriteriaBuilder cb = getEm().getCriteriaBuilder();
CriteriaQuery<Place> cq = cb.createQuery(Place.class);
Root<Place> root = cq.from(Place.class);
cq.select(root);
cq.where(
cb.and(
cb.equal(root.get(Place_.map), map),
cb.isNull(root.get(Place_.releaseTime))
));
TypedQuery<Place> q = getEm().createQuery(cq);
long count = 0;
for (Place p : q.getResultList()) {
if (p.getGroup() == null) {
++count;
}
}
return count;
}
public List<Place> findUsersReservations(LanEvent event, User user) {
CriteriaBuilder cb = getEm().getCriteriaBuilder();
CriteriaQuery<Place> cq = cb.createQuery(Place.class);
Root<Place> root = cq.from(Place.class);
cq.select(root);
cq.where(
cb.and(
cb.equal(root.get(Place_.event), event),
cb.equal(root.get(Place_.currentUser), user)
));
TypedQuery<Place> q = getEm().createQuery(cq);
return q.getResultList();
}
public void releasePlaces(User user) {
CriteriaBuilder cb = getEm().getCriteriaBuilder();
CriteriaQuery<Place> cq = cb.createQuery(Place.class);
Root<Place> root = cq.from(Place.class);
cq.select(root);
cq.where(
cb.and(
cb.lessThan(root.get(Place_.releaseTime), Calendar.getInstance()),
cb.equal(root.get(Place_.currentUser), user)
));
TypedQuery<Place> q = getEm().createQuery(cq);
int updated = timeoutPlaces(q.getResultList(), false);
logger.debug("Released {} places from user {}", updated, user);
}
public int setBuyable(EventMap map, String like, boolean b) {
Query q = em.createQuery("UPDATE Place p set p.buyable = :b where p.name like :like");
q.setParameter("b", b);
q.setParameter("like", like);
return q.executeUpdate();
}
}