/* Jug Management is a web application conceived to manage user groups or
* communities focused on a certain domain of knowledge, whose members are
* constantly sharing information and participating in social and educational
* events. Copyright (C) 2011 Ceara Java User Group - CEJUG.
*
* This application is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version.
*
* This application is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* There is a full copy of the GNU Lesser General Public License along with
* this library. Look for the file license.txt at the root level. If you do not
* find it, write to the Free Software Foundation, Inc., 59 Temple Place,
* Suite 330, Boston, MA 02111-1307 USA.
* */
package org.cejug.yougi.event.business;
import java.util.List;
import javax.ejb.LocalBean;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import org.cejug.yougi.event.entity.Event;
import org.cejug.yougi.event.entity.EventSponsor;
import org.cejug.yougi.partnership.entity.Partner;
import org.cejug.yougi.util.EntitySupport;
/**
* This class implements the business logic of events' sponsors.
*
* @author Hildeberto Mendonca - http://www.hildeberto.com
*/
@Stateless
@LocalBean
public class EventSponsorBsn {
@PersistenceContext
private EntityManager em;
public EventSponsor findEventSponsor(String id) {
if (id != null) {
return em.find(EventSponsor.class, id);
} else {
return null;
}
}
@SuppressWarnings("unchecked")
public List<EventSponsor> findEventSponsors(Event event) {
return em.createQuery("select es from EventSponsor es where es.event = :event order by es.partner.name asc").setParameter("event", event).getResultList();
}
@SuppressWarnings("unchecked")
public List<EventSponsor> findSponsorEvents(Partner sponsor) {
return em.createQuery("select es from EventSponsor es where es.partner = :sponsor order by es.event.name asc").setParameter("sponsor", sponsor).getResultList();
}
public void save(EventSponsor eventSponsor) {
if (EntitySupport.INSTANCE.isIdNotValid(eventSponsor)) {
eventSponsor.setId(EntitySupport.INSTANCE.generateEntityId());
em.persist(eventSponsor);
} else {
em.merge(eventSponsor);
}
}
public void remove(String id) {
EventSponsor eventSponsor = em.find(EventSponsor.class, id);
if (eventSponsor != null) {
em.remove(eventSponsor);
}
}
}