@Override
  public void deleteCarouselImage(Long id) throws NotFoundException {
    // We use explicit transactions, since we are going to execute more than
    // 1 query in the same transaction
    Ebean.beginTransaction();
    try {
      // We see if the carouselImage really exists
      if (finder.byId(id) == null)
        throw new NotFoundException("La imagen no existe asi que no se puede borrar");

      // We delete it
      finder.byId(id).delete();

      // Now we need to reorder all the carouselImages
      for (CarouselImage ci : finder.orderBy("id").findList()) {
        if (ci.getId() > id) {
          // We insert a copy of the ci in the previous position
          CarouselImage ciCopy = (CarouselImage) ci._ebean_createCopy();
          ciCopy.setId(ci.getId() - 1);
          ciCopy.save();
          // Then we delete the ci
          ci.delete();
        }
      }

      Ebean.commitTransaction();

    } finally {
      Ebean.endTransaction();
    }
  }
  @Override
  public CarouselImage findCarouselImage(Long id) throws NotFoundException {
    CarouselImage ci = finder.byId(id);
    if (ci == null) throw new NotFoundException("La imagen no existe");

    return ci;
  }
 public static Choco getById(Long id) {
   return find.byId(id);
 }