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Quitar AADD Color

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Isidoro Nevares Martín 2026-02-06 12:52:45 +01:00
parent e0f8aa1698
commit 239d7742e7
2 changed files with 0 additions and 86 deletions
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11
src/main/java/org/lapaloma/aadd/redmetro/dao/IColorDAO.java
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package org.lapaloma.aadd.redmetro.dao;
import org.lapaloma.aadd.redmetro.vo.Color;
public interface IColorDAO {
Color obtenerColorPorID(int identificador);
void crearColor(Color color);
void actualizarColor(Color color);
}

75
src/main/java/org/lapaloma/aadd/redmetro/dao/jpa/ColorDaoJPA.java
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@ -1,75 +0,0 @@
package org.lapaloma.aadd.redmetro.dao.jpa;
import org.lapaloma.aadd.redmetro.dao.IColorDAO;
import org.lapaloma.aadd.redmetro.gestores.GestorEntityManagerJPA;
import org.lapaloma.aadd.redmetro.vo.Color;
import jakarta.persistence.EntityManager;
import jakarta.persistence.EntityTransaction;
public class ColorDaoJPA implements IColorDAO {
@Override
public Color obtenerColorPorID(int codigo) {
Color color = null;
// try con recursos "cerrables": Session
try (EntityManager gestorEntidades = GestorEntityManagerJPA.getEntityManager()) {
color = gestorEntidades.find(Color.class, codigo);
} catch (Exception e) {
e.printStackTrace();
}
return color;
}
@Override
public void crearColor(Color color) {
EntityManager gestorEntidades = null;
EntityTransaction transaccion = null;
try {
gestorEntidades = GestorEntityManagerJPA.getEntityManager();
transaccion = gestorEntidades.getTransaction();
transaccion.begin();
gestorEntidades.persist(color);
transaccion.commit();
} catch (Exception e) {
if (transaccion != null && transaccion.isActive()) {
transaccion.rollback();
}
e.printStackTrace();
} finally {
if (gestorEntidades != null) {
gestorEntidades.close();
}
}
}
@Override
public void actualizarColor(Color color) {
EntityManager gestorEntidades = null;
EntityTransaction transaccion = null;
try {
gestorEntidades = GestorEntityManagerJPA.getEntityManager();
transaccion = gestorEntidades.getTransaction();
transaccion.begin();
if (!gestorEntidades.contains(color))
gestorEntidades.merge(color);
transaccion.commit();
} catch (Exception e) {
if (transaccion != null && transaccion.isActive()) {
transaccion.rollback();
}
e.printStackTrace();
} finally {
if (gestorEntidades != null) {
gestorEntidades.close();
}
}
}
}