PrintedCardFacade.java 2.43 KB
package fi.insomnia.bortal.facade;

import java.util.List;

import javax.ejb.EJB;
import javax.ejb.LocalBean;
import javax.ejb.Stateless;
import javax.persistence.TypedQuery;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Root;

import fi.insomnia.bortal.beans.EventBeanLocal;
import fi.insomnia.bortal.model.EventUser;
import fi.insomnia.bortal.model.LanEvent;
import fi.insomnia.bortal.model.PrintedCard;
import fi.insomnia.bortal.model.PrintedCard_;

@Stateless
@LocalBean
public class PrintedCardFacade extends IntegerPkGenericFacade<PrintedCard> {

	public PrintedCardFacade() {

		super(PrintedCard.class);
	}

	@EJB
	private EventBeanLocal eventbean;

	public PrintedCard findByRfid(String uid) {

		CriteriaBuilder cb = getEm().getCriteriaBuilder();
		CriteriaQuery<PrintedCard> cq = cb.createQuery(PrintedCard.class);
		Root<PrintedCard> root = cq.from(PrintedCard.class);

		cq.where(cb.equal(root.get(PrintedCard_.rfidUid), uid),
				cb.equal(root.get(PrintedCard_.event), eventbean.getCurrentEvent()));

		return getSingleNullableResult(getEm().createQuery(cq));
	}

	public List<PrintedCard> findAllEnabled(LanEvent currentEvent) {

		CriteriaBuilder cb = getEm().getCriteriaBuilder();
		CriteriaQuery<PrintedCard> cq = cb.createQuery(PrintedCard.class);
		Root<PrintedCard> root = cq.from(PrintedCard.class);
		cq.where(cb.isTrue(root.get(PrintedCard_.enabled)),
				cb.equal(root.get(PrintedCard_.event), eventbean.getCurrentEvent()));

		return getEm().createQuery(cq).getResultList();

	}

	public List<PrintedCard> getCards(EventUser user) {
		CriteriaBuilder cb = getEm().getCriteriaBuilder();
		CriteriaQuery<PrintedCard> cq = cb.createQuery(PrintedCard.class);
		Root<PrintedCard> root = cq.from(PrintedCard.class);
		cq.where(cb.equal(root.get(PrintedCard_.user), user),
				cb.equal(root.get(PrintedCard_.event), eventbean.getCurrentEvent()));

		return getEm().createQuery(cq).getResultList();

	}

	public PrintedCard findLatestByRfidFromAny(String uid) {

		CriteriaBuilder cb = getEm().getCriteriaBuilder();
		CriteriaQuery<PrintedCard> cq = cb.createQuery(PrintedCard.class);
		Root<PrintedCard> root = cq.from(PrintedCard.class);

		cq.where(cb.equal(root.get(PrintedCard_.rfidUid), uid));
		cq.orderBy(cb.desc(root.get(PrintedCard_.printTime)));
		TypedQuery<PrintedCard> q = getEm().createQuery(cq);
		q.setMaxResults(1);

		return getSingleNullableResult(q);

	}
}