/**
* Get the associated Grupo object
*
* @param PropelPDO Optional Connection object.
* @return Grupo The associated Grupo object.
* @throws PropelException
*/
public function getGrupo(PropelPDO $con = null)
{
if ($this->aGrupo === null && $this->id_grupo !== null) {
$c = new Criteria(GrupoPeer::DATABASE_NAME);
$c->add(GrupoPeer::ID_GRUPO, $this->id_grupo);
$this->aGrupo = GrupoPeer::doSelectOne($c, $con);
/* The following can be used additionally to
guarantee the related object contains a reference
to this object. This level of coupling may, however, be
undesirable since it could result in an only partially populated collection
in the referenced object.
$this->aGrupo->addUsuarioGrupos($this);
*/
}
return $this->aGrupo;
}