/*
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 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */
package com.megatim.apifdxweb.dao.impl.referentiel;

import com.megatim.apifdxweb.dao.ifaces.referentiel.NoeudDAO;
import com.megatim.fdxcommons.model.referentiel.Noeud;
import java.util.Optional;
import javax.ejb.Stateless;
import javax.inject.Inject;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;

/**
 *
 * @author ASUS
 */
@Stateless
public class NoeudDAOImpl implements NoeudDAO {

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

    public NoeudDAOImpl() {
    }

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

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

    @Override
    public Noeud getById(String id) {
        Query query = em.createQuery("SELECT n from Noeud n"
                + " LEFT JOIN FETCH n.groupeNoeuds LEFT JOIN FETCH n.routageEnvois LEFT JOIN FETCH n.routageReceptions"
                + " WHERE n.code = :code");
        query.setParameter("code", id);

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