dao.DAONivel.java Source code

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Here is the source code for dao.DAONivel.java

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/*
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package dao;

import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import modelo.Nivel;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

/**
 *
 * @author Daniel
 */
@Repository
@Transactional(propagation = Propagation.SUPPORTS, readOnly = true)
public class DAONivel {
    @PersistenceContext
    EntityManager em;

    /**
     * 
     */
    public DAONivel() {
    }

    /**
     * 
     * @param _nivel 
     */
    @Transactional(propagation = Propagation.REQUIRED, readOnly = false, rollbackFor = exceptionsDAO.GuardarNivelException.class)
    public void guardarNivel(Nivel _nivel) {
        em.persist(_nivel);
    }

    /**
     * 
     * @param _nivel 
     */
    @Transactional(propagation = Propagation.REQUIRED, readOnly = false, rollbackFor = exceptionsDAO.BorrarNivelException.class)
    public void borrarNivel(Nivel _nivel) {
        em.remove(em.merge(_nivel));
    }

    /**
     * 
     * @param _nivelAsociado
     * @return 
     */
    public Nivel obtenerNivel(Nivel.nivelAsociado _nivelAsociado) {
        return em.find(Nivel.class, _nivelAsociado);
    }
}