package com.megatim.fdxconsultation.dao.impl.referentiel;

import com.megatim.fdxcommons.model.referentiel.Pays;
import com.megatim.fdxconsultation.dao.ifaces.referentiel.PaysDAO;
import java.util.Optional;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;

/**
 *
 * @author ASUS
 */
@Stateless
public class PaysDAOImpl implements PaysDAO {

    @PersistenceContext(unitName = "fdxConsultationPersistenceUnit")
    protected EntityManager em;

    public PaysDAOImpl() {
    }

    @Override
    public EntityManager getEntityManager() {
        return em;
    }

    @Override
    public Class<Pays> getManagedEntityClass() {
        return (Pays.class);
    }

    @Override
    public Pays getById(String id) {
        Query query = em.createQuery("SELECT p from Pays p"
                + " WHERE p.code = :code");
        query.setParameter("code", id);

        Optional<Pays> optionalPays = query.getResultList().stream().findFirst();
        return optionalPays.isPresent() ? optionalPays.get() : null;
    }

}