es.ucm.fdi.dalgs.externalActivity.repository.ExternalActivityRepository.java Source code

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Here is the source code for es.ucm.fdi.dalgs.externalActivity.repository.ExternalActivityRepository.java

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/**
 * This file is part of D.A.L.G.S.
 *
 * D.A.L.G.S is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * D.A.L.G.S 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with D.A.L.G.S.  If not, see <http://www.gnu.org/licenses/>.
 */

package es.ucm.fdi.dalgs.externalActivity.repository;

import java.util.ArrayList;
import java.util.Collection;

import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Repository;

import es.ucm.fdi.dalgs.activity.repository.ActivityRepository;
import es.ucm.fdi.dalgs.domain.Activity;

@Repository
public class ExternalActivityRepository {
    protected EntityManager em;

    protected static final Logger logger = LoggerFactory.getLogger(ActivityRepository.class);

    public EntityManager getEntityManager() {
        return em;
    }

    @PersistenceContext
    public void setEntityManager(EntityManager entityManager) {
        try {
            this.em = entityManager;
        } catch (Exception e) {
            logger.error(e.getMessage());

        }
    }

    public Boolean deleteExternalActivity(Activity externalActivity) {

        externalActivity.setIsDeleted(true);
        try {

            //         em.merge(externalActivity);
            em.remove(externalActivity);
            return true;
        } catch (Exception e) {
            logger.error(e.getMessage());
            return false;
        }
    }

    @SuppressWarnings("unchecked")
    // where s.product.category in" +" (select sb.pbyte from SimpleBean sb where sb.pint>=30000)");
    public Collection<? extends Activity> getExternalActivitiesAll() {
        //   Query query = em.createQuery( "select a from Activity  a inner join Course  c  where c = a.course and a in (select ea from Course c join c.external_activities ea)");// union (select * from _activity  a inner join group_external  ge  where ge.id_activity =  a.id_activity)");
        Query query = em.createQuery(
                "select a from Activity  a inner join a.course  c inner join c.external_activities ea where  a = ea ");

        Query query2 = em.createQuery(
                "select aa from Activity  aa inner join aa.group  g inner join g.external_activities eaa where  aa = eaa)");
        Collection<Activity> col = new ArrayList<Activity>();
        col.addAll(query.getResultList());
        col.addAll(query2.getResultList());
        return col;
    }

}