@WebMethod(operationName = "ReadBranch")
    public ArrayList<Branch> ReadBranch(@WebParam(name = "bra_id") String bra_id) {
            Branch bra  = new Branch();
            ArrayList<Branch> bras = new ArrayList<Branch>();
            ArrayList<QueryCriteria> qc = new ArrayList<QueryCriteria>();
            if(!bra_id.equals("-1")){
                qc.add(new QueryCriteria("bra_id", bra_id, Operand.EQUALS));
            }
            ArrayList<String> fields = new ArrayList<String>();
            ArrayList<QueryOrder> order = new ArrayList<QueryOrder>();
        try {
           bras = bra.Read(qc, fields, order);
        } catch (SQLException ex) {
            Logger.getLogger(JAX_WS.class.getName()).log(Level.SEVERE, null, ex);
        }
            if(bras.isEmpty()){
                return null;
            }
        return bras;
    }