EventUserFacade.java 3.57 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.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.EventUser_;
import fi.insomnia.bortal.model.PrintedCard;
import fi.insomnia.bortal.model.PrintedCard_;
import fi.insomnia.bortal.model.User;
import fi.insomnia.bortal.model.User_;

/**
 * Session Bean implementation class EventUserFacade
 */
@Stateless
@LocalBean
public class EventUserFacade extends IntegerPkGenericFacade<EventUser> {

	@EJB
	private EventBeanLocal eventBean;

	public EventUserFacade() {
		super(EventUser.class);
	}

	public EventUser findByLogin(String login) {
		CriteriaBuilder cb = getEm().getCriteriaBuilder();
		CriteriaQuery<EventUser> cq = cb.createQuery(EventUser.class);
		Root<EventUser> root = cq.from(EventUser.class);
		cq.where(
				cb.equal(root.get(EventUser_.user).get(User_.login), login),
				cb.equal(root.get(EventUser_.event),
						eventBean.getCurrentEvent()));

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

	public EventUser find(User user) {
		CriteriaBuilder cb = getEm().getCriteriaBuilder();
		CriteriaQuery<EventUser> cq = cb.createQuery(EventUser.class);
		Root<EventUser> root = cq.from(EventUser.class);
		cq.where(
				cb.equal(root.get(EventUser_.user), user),
				cb.equal(root.get(EventUser_.event),
						eventBean.getCurrentEvent()));

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

	}

	public List<EventUser> findAll() {
		CriteriaBuilder cb = getEm().getCriteriaBuilder();
		CriteriaQuery<EventUser> cq = cb.createQuery(EventUser.class);
		Root<EventUser> root = cq.from(EventUser.class);
		cq.where(cb.equal(root.get(EventUser_.event),
				eventBean.getCurrentEvent()));
		return getEm().createQuery(cq).getResultList();
	}

	public EventUser findByBarcode(String barcode) {
		CriteriaBuilder cb = getEm().getCriteriaBuilder();
		CriteriaQuery<EventUser> cq = cb.createQuery(EventUser.class);
		Root<PrintedCard> root = cq.from(PrintedCard.class);
		cq.select(root.get(PrintedCard_.user));
		cq.where(
				cb.equal(root.get(PrintedCard_.barcode), barcode),
				cb.equal(root.get(PrintedCard_.event), eventBean.getCurrentEvent())
				);
		return getSingleNullableResult(getEm().createQuery(cq));

	}

	// public SearchResult<EventUser> searchUser(int page, int pagesize, String
	// sort, String search) {
	//
	// List<FacadeCallback<EventUser>> callbacks = new
	// ArrayList<FacadeCallback<EventUser>>();
	// if (sort == null || sort.isEmpty()) {
	// callbacks.add(new OrderCallback<EventUser>(false, EventUser_.id));
	// } else {
	// callbacks.add(new OrderCallback<EventUser>(false, sort));
	// }
	//
	// if (search == null || search.isEmpty()) {
	// callbacks.add(new EventUserEventlimiter(eventBean.getCurrentEvent()));
	// }
	// callbacks.add(new EventUserSearchCreator(search,
	// UserFacade.getAttrlist()));
	// return super.searcher(page, pagesize, callbacks);
	//
	// // return this.search(page, pagesize, query, NAMEFIELDS, sort);
	// }
	//
	// public class EventUserEventlimiter implements FacadeCallback<EventUser> {
	//
	// private LanEvent ev;
	//
	// public EventUserEventlimiter(LanEvent currentEvent) {
	// ev = currentEvent;
	// }
	//
	// @Override
	// public void exec(CriteriaBuilder cb, CriteriaQuery<?> cq, Path<EventUser>
	// root, List<Predicate> predicates) {
	// predicates.add(cb.equal(root.get(EventUser), ev));
	// }
	// }

}