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package com.megatim.fdxconsultation.dao.impl.dataproduction.metadata;

import com.megatim.fdxcommons.model.dataproduction.metadata.ProductionMetaData;
import com.megatim.fdxcommons.model.dataproduction.metadata.ProductionMetaDataId;
import com.megatim.fdxconsultation.dao.ifaces.dataproduction.metadata.ProductionMetaDataDAO;
import java.util.List;
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 ProductionMetaDataDAOImpl implements ProductionMetaDataDAO {

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

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

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

    @Override
    public ProductionMetaData getById(Long id) {
        Query query = em.createQuery("SELECT p FROM ProductionMetaData p WHERE p.productionId = :id");
        query.setParameter("id", id);

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

    @Override
    public void deleteById(Long dataProductionId) {
        Query query = em.createQuery("DELETE FROM ProductionMetaData p WHERE p.productionId = :dataProductionId");
        query.setParameter("dataProductionId", dataProductionId);
        query.executeUpdate();
    }
}