function apagaAbatimentos()
 {
     $oabat = new Abatimento();
     $sql = "select * from ag_abatimento where idPagamento = " . $this->id;
     $rsabats = $oabat->getSQL($sql);
     $opartic = new Participante();
     foreach ($rsabats as $key => $abat) {
         $opartic->getById($abat->participante->id);
         $abat->delete($abat->id);
         $opartic->atualiza_status();
     }
 }