public function getConceptobaja(PropelPDO $con = null) { if ($this->aConceptobaja === null && $this->fk_conceptobaja_id !== null) { $c = new Criteria(ConceptobajaPeer::DATABASE_NAME); $c->add(ConceptobajaPeer::ID, $this->fk_conceptobaja_id); $this->aConceptobaja = ConceptobajaPeer::doSelectOne($c, $con); } return $this->aConceptobaja; }